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 | ||
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2020-2021:teams:legal_string:jxm2001:图论_2 [2020/07/20 11:03] jxm2001 |
2020-2021:teams:legal_string:jxm2001:图论_2 [2021/08/15 16:45] (当前版本) jxm2001 [一般图最大匹配] |
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|---|---|---|---|
| 行 222: | 行 222: | ||
| <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=505,MAXM=1505,Inf=0x7fffffff; | const int MAXN=505,MAXM=1505,Inf=0x7fffffff; | ||
| struct Edge{ | struct Edge{ | ||
| 行 575: | 行 528: | ||
| <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=55,MAXM=105,Inf=1e9; | const int MAXN=55,MAXM=105,Inf=1e9; | ||
| struct Edge{ | struct Edge{ | ||
| 行 836: | 行 742: | ||
| <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-48;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-48;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=2005,MAXM=2e5+5,Inf=0x7fffffff; | const int MAXN=2005,MAXM=2e5+5,Inf=0x7fffffff; | ||
| struct Edge{ | struct Edge{ | ||
| 行 1305: | 行 1164: | ||
| 所以可以考虑先将奇环缩为一个点,并使用并查集维护。 | 所以可以考虑先将奇环缩为一个点,并使用并查集维护。 | ||
| - | 具体算法仅改出代码和部分注释供参考。 | + | 具体算法仅给出代码和部分注释供参考。 |
| 时间复杂度 $O(n^2log n+nm)$。 | 时间复杂度 $O(n^2log n+nm)$。 | ||
| 行 1411: | 行 1270: | ||
| <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=500; | const int MAXN=305,MAXM=500; | ||
| struct Edge{ | struct Edge{ | ||