Compilare: user.cpp: In function ‘void refresh(int)’: user.cpp:31:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[mus].size(); i ++ ) ^ user.cpp: In function ‘bool findPath()’: user.cpp:55:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int mus = 0; mus < G[nod].size(); mus ++) ^ user.cpp: In function ‘int flowMax(int)’: user.cpp:74:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int nod = 0; nod < G[dest].size(); nod ++) ^ user.cpp: In function ‘int binaryS()’: user.cpp:105:26: warning: unused variable ‘middle’ [-Wunused-variable] int inc = 0, sf = m, middle; ^ user.cpp: In function ‘int main()’: user.cpp:147:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mingiute.in", "r", stdin); ^ user.cpp:148:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:152:60: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &mus[i].st, &mus[i].dr, &mus[i].nr); ^