这里会显示出您选择的修订版和当前版本之间的差别。
两侧同时换到之前的修订记录 前一修订版 后一修订版 | 前一修订版 | ||
2020-2021:teams:legal_string:jxm2001:图论_3 [2020/07/22 15:59] jxm2001 |
2020-2021:teams:legal_string:jxm2001:图论_3 [2020/07/27 22:59] (当前版本) jxm2001 ↷ 页面2020-2021:teams:legal_string:图论_3被移动至2020-2021:teams:legal_string:jxm2001:图论_3 |
||
---|---|---|---|
行 45: | 行 45: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXS=105,MAXN=MAXS*MAXS,MAXM=6*MAXN,Inf=0x7fffffff; | const int MAXS=105,MAXN=MAXS*MAXS,MAXM=6*MAXN,Inf=0x7fffffff; | ||
const int dir[][2]={{0,1},{0,-1},{1,0},{-1,0}}; | const int dir[][2]={{0,1},{0,-1},{1,0},{-1,0}}; | ||
行 206: | 行 159: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=200,MAXM=3000,Inf=0x7fffffff; | const int MAXN=200,MAXM=3000,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 430: | 行 336: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=305,MAXM=18005,Inf=0x7fffffff; | const int MAXN=305,MAXM=18005,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 605: | 行 464: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=1e5+5,MAXM=2e5+5,Inf=0x7fffffff; | const int MAXN=1e5+5,MAXM=2e5+5,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 782: | 行 594: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=205,MAXM=6000,Inf=0x7fffffff; | const int MAXN=205,MAXM=6000,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 969: | 行 734: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=105,MAXM=6000; | const int MAXN=105,MAXM=6000; | ||
struct Edge{ | struct Edge{ | ||
行 1134: | 行 852: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=1005,MAXM=2005,Inf=0x7fffffff; | const int MAXN=1005,MAXM=2005,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 1317: | 行 988: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=1005,MAXM=5e5+5,Inf=0x7fffffff; | const int MAXN=1005,MAXM=5e5+5,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 1503: | 行 1127: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=1e5+5,MAXM=2e5+5,Inf=0x7fffffff; | const int MAXN=1e5+5,MAXM=2e5+5,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ | ||
行 1670: | 行 1247: | ||
买一条新餐巾费用为 $p$;快洗一条旧餐巾时间为 $m$ 天,费用为 $f$;慢洗一条旧餐巾时间为 $n$ 天,费用为 $s$。 | 买一条新餐巾费用为 $p$;快洗一条旧餐巾时间为 $m$ 天,费用为 $f$;慢洗一条旧餐巾时间为 $n$ 天,费用为 $s$。 | ||
- | 数据保证 $p\gt f\gt s,m\lt n$,问餐厅营业 $N$ 天的最小花费。 | + | 数据保证 $f\gt s,m\lt n$,问餐厅营业 $N$ 天的最小花费。 |
=== 题解 === | === 题解 === | ||
行 1692: | 行 1269: | ||
<hidden 查看代码> | <hidden 查看代码> | ||
<code cpp> | <code cpp> | ||
- | #include <iostream> | ||
- | #include <cstdio> | ||
- | #include <cstdlib> | ||
- | #include <algorithm> | ||
- | #include <string> | ||
- | #include <sstream> | ||
- | #include <cstring> | ||
- | #include <cctype> | ||
- | #include <cmath> | ||
- | #include <vector> | ||
- | #include <set> | ||
- | #include <map> | ||
- | #include <stack> | ||
- | #include <queue> | ||
- | #include <ctime> | ||
- | #include <cassert> | ||
- | #define _for(i,a,b) for(int i=(a);i<(b);++i) | ||
- | #define _rep(i,a,b) for(int i=(a);i<=(b);++i) | ||
- | #define mem(a,b) memset(a,b,sizeof(a)) | ||
- | using namespace std; | ||
- | typedef long long LL; | ||
- | inline int read_int(){ | ||
- | int t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline LL read_LL(){ | ||
- | LL t=0;bool sign=false;char c=getchar(); | ||
- | while(!isdigit(c)){sign|=c=='-';c=getchar();} | ||
- | while(isdigit(c)){t=(t<<1)+(t<<3)+(c&15);c=getchar();} | ||
- | return sign?-t:t; | ||
- | } | ||
- | inline char get_char(){ | ||
- | char c=getchar(); | ||
- | while(c==' '||c=='\n'||c=='\r')c=getchar(); | ||
- | return c; | ||
- | } | ||
- | inline void write(LL x){ | ||
- | register char c[21],len=0; | ||
- | if(!x)return putchar('0'),void(); | ||
- | if(x<0)x=-x,putchar('-'); | ||
- | while(x)c[++len]=x%10,x/=10; | ||
- | while(len)putchar(c[len--]+48); | ||
- | } | ||
- | inline void space(LL x){write(x),putchar(' ');} | ||
- | inline void enter(LL x){write(x),putchar('\n');} | ||
const int MAXN=5000,MAXM=15000,Inf=0x7fffffff; | const int MAXN=5000,MAXM=15000,Inf=0x7fffffff; | ||
struct Edge{ | struct Edge{ |