Compilare: user.cpp: In function ‘void cerinta2()’: user.cpp:86:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < drepte[i].IndiciPunctePeDreapta.size(); j++) { ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:120:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < Intervale.size() - 1; i++){ ~~^~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void citire()’: user.cpp:53:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:56:71: 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:144:36: 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:145:38: 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); ^