Compilare: user.cpp: In function ‘bool bfs(int)’: user.cpp:44:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[coada[ic]].size();j++){ ^ user.cpp:42:10: warning: unused variable ‘boolfin’ [-Wunused-variable] bool boolfin=false; ^ user.cpp: In function ‘int main()’: user.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[n].size();i++){ ^ user.cpp:75:10: warning: unused variable ‘pp’ [-Wunused-variable] bool pp=true; ^ user.cpp:64:36: 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:65:38: 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); ^ user.cpp:66:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:68:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a1,&b,&c); ^