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View Compilation Error

0_0_26511114_5944.cpp: In function 'int DFS(int)':
0_0_26511114_5944.cpp:14:5: error: 'visx' was not declared in this scope
     visx[x]=1;  
     ^
0_0_26511114_5944.cpp:16:12: error: 'visy' was not declared in this scope
         if(visy[y])  
            ^
0_0_26511114_5944.cpp:18:29: error: 'w' was not declared in this scope
         int tmp=lx[x]+ly[y]-w[x][y];  
                             ^
0_0_26511114_5944.cpp:20:13: error: 'visy' was not declared in this scope
             visy[y]=1;  
             ^
0_0_26511114_5944.cpp: In function 'int KM()':
0_0_26511114_5944.cpp:38:16: error: 'w' was not declared in this scope
             if(w[i][j]>lx[i])  
                ^
0_0_26511114_5944.cpp:44:20: error: 'visx' was not declared in this scope
             memset(visx,0,sizeof(visx));  
                    ^
0_0_26511114_5944.cpp:45:20: error: 'visy' was not declared in this scope
             memset(visy,0,sizeof(visy));  
                    ^
0_0_26511114_5944.cpp:66:29: error: 'w' was not declared in this scope
         if(linker[i]==-1 || w[linker[i]][i]==-INF)  
                             ^
0_0_26511114_5944.cpp:68:14: error: 'w' was not declared in this scope
         res+=w[linker[i]][i];  
              ^
0_0_26511114_5944.cpp: In function 'int main()':
0_0_26511114_5944.cpp:84:17: error: 'w' was not declared in this scope
                 w[i][j]=-INF;  
                 ^
0_0_26511114_5944.cpp:88:16: error: 'w' was not declared in this scope
             if(w[u][v]<-cap)  
                ^


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