View Compilation Error

0_0_36593706_17086.cpp: In function 'void dfs(int, int)':
0_0_36593706_17086.cpp:50:5: error: 'i64' was not declared in this scope
     i64 tmp = inf;
     ^
0_0_36593706_17086.cpp:54:7: error: 'tmp' was not declared in this scope
       tmp=min(tmp,f[x][i][j-k]+f[y][i][k]);
       ^
0_0_36593706_17086.cpp:56:7: error: 'tmp' was not declared in this scope
       tmp=min(tmp,f[x][i][j-k]+min(f[y][i][k],best[y][k]));
       ^
0_0_36593706_17086.cpp:58:18: error: 'tmp' was not declared in this scope
     f[x][i][j] = tmp;
                  ^