Compilare: user.cpp: In function ‘int finder(int, std::vector<std::pair<int, int> >)’: user.cpp:17:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<arraY.size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:37:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<A[i].size(); j++) ^ user.cpp: In function ‘int atribuireNod(int, int, int)’: user.cpp:51:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(A[nodAnt][directie-1].second==A[nodCurent].size()) ^ user.cpp: In function ‘int finder(int, std::vector<std::pair<int, int> >)’: user.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void citire()’: user.cpp:25:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&N,&M); ^ user.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&aux1); ^ user.cpp:31:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&aux2); ^ user.cpp:45:86: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&vPreparate[i].start,&vPreparate[i].directie,&vPreparate[i].t); ^ user.cpp: In function ‘int main()’: user.cpp:98:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sushi2.in","r",stdin); ^ user.cpp:99:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sushi2.out","w",stdout); ^