0_0_13687887_5341.cpp: In function 'int max_flow(int, int, int)':
0_0_13687887_5341.cpp:95:5: error: 'flow' was not declared in this scope
flow = 1;
^
0_0_13687887_5341.cpp:98:5: error: 'v' was not declared in this scope
v = t;
^
0_0_13687887_5341.cpp:100:7: error: 'u' was not declared in this scope
u = parent[v];
^
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