HDU 5093 Battle ships

Two-part graph matching

1#include <cstdio>2#include <cstring>3#include <iostream>4#include <cmath>5 #defineMAXN 606 #defineMaxd 15007 using namespacestd;8 intV[maxd][maxd],vist[maxd],math[maxd];9 Ten intCOL[MAXN][MAXN],ROW[MAXN][MAXN]; One intk1,k2,n,m; A CharSTR[MAXN][MAXN]; - voidCreat_row () - { thek1=1; -      for(intI=0; i<m;i++) -     { -         intflag=0; +          for(intj=0; j<n;j++) -         { +             if(str[i][j]=='*') A             { atrow[i][j]=K1; -flag=1; -             } -             if(str[i][j]=='#') -             { -k1++; inflag=0; -             } to         } +         if(flag) -k1++; the     } * } $ voidCreat_col ()Panax Notoginseng { -K2=1; the      for(intj=0; j<n;j++) +     { A         intflag=0; the          for(intI=0; i<m;i++) +         { -             if(str[i][j]=='*') $             { $col[i][j]=K2; -flag=1; -             } the             if(str[i][j]=='#') -             {Wuyik2++; theflag=0; -             } Wu         } -         if(flag) Aboutk2++; $     } - } - intDfsintx) - { A      for(intI=1; i<k2;i++) +     { the         if(!vist[i]&&V[x][i]) -         { $vist[i]=1; the             if(math[i]==-1||DFS (Math[i])) the             { themath[i]=x; the                 return true; -             } in  the         } the     } About     return false; the } the voidKM () the { +     intcn1=0; -      for(intI=1; i<k1;i++) the     {Bayimemset (Vist,0,sizeof(vist)); the         if(Dfs (i)) ans++; the     } -printf"%d\n", ans); - } the intMain () the { the     intT; thescanf"%d",&t); -      while(t--) the     { thescanf"%d%d",&m,&n); the          for(intI=0; i<m; i++)94scanf"%s",&str[i]); the Creat_row (); the Creat_col (); the         //printf ("%d%d==\n", K1,K2);98memset (V,0,sizeof(v)); Aboutmemset (math,-1,sizeof(math)); -          for(intI=0; i<m; i++)101         {102              for(intj=0; j<n; J + +)103             {104                 if(str[i][j]=='*') thev[row[i][j]][col[i][j]]=1;106             }107 108         }109 KM (); the     }111     return 0; the}

HDU 5093 Battle ships