Compilare: user.cpp: In function ‘void cerinta2()’: user.cpp:77:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < drepte[i].IndiciPunctePeDreapta.size() - 1; j++){ ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:80:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t = j + 1; t < drepte[i].IndiciPunctePeDreapta.size(); t++){ ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void citire()’: user.cpp:40:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:43:71: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &puncte[i].x, &puncte[i].y, &puncte[i].raza); ^ user.cpp: In function ‘int main()’: user.cpp:113:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.in", "r", stdin); ^ user.cpp:114:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cerc3.out", "w", stdout); ^