Compilare: user.cpp: In function ‘int dinic()’: user.cpp:73:33: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while(pushed = dfs(Source, INF)) ^ user.cpp: In function ‘int main()’: user.cpp:86:9: warning: unused variable ‘j’ [-Wunused-variable] int i, j, n, m, a, b, c; ^ user.cpp:82:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxflow.in", "r", stdin); ^ user.cpp:83:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("maxflow.out", "w", stdout); ^