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View Compilation Error

0_0_19567351_17044.cpp: In function 'int find_zgl(int)':
0_0_19567351_17044.cpp:13:23: error: 'y' was not declared in this scope
  for (int i = 1; i <= y; ++i) {
                       ^
0_0_19567351_17044.cpp:14:8: error: 'visy' was not declared in this scope
   if (!visy[i]) {
        ^
0_0_19567351_17044.cpp:19:20: error: 'r' was not declared in this scope
      linky[i] = x; r
                    ^
0_0_19567351_17044.cpp: In function 'int KM()':
0_0_19567351_17044.cpp:43:11: error: 'visx' was not declared in this scope
    memset(visx, 0, sizeof(visx));
           ^
0_0_19567351_17044.cpp:44:11: error: 'visy' was not declared in this scope
    memset(visy, 0, sizeof(visy));
           ^
0_0_19567351_17044.cpp:47:20: error: 'd' was not declared in this scope
     if(!visy[i] && d > slack[i]) d = slack[i]; 
                    ^
0_0_19567351_17044.cpp:50:26: error: 'd' was not declared in this scope
     if(visx[i]) lx[i] -= d;
                          ^
0_0_19567351_17044.cpp:51:26: error: 'd' was not declared in this scope
     if(visy[i]) ly[x] += d;
                          ^
0_0_19567351_17044.cpp:52:22: error: 'd' was not declared in this scope
     else slack[i] -= d;
                      ^


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