Compilare: user.cpp: In function ‘void Sterg(std::pair<int, int>)’: user.cpp:40:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < got.size(); ++i) ^ user.cpp: In function ‘int main()’: user.cpp:81:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < events.size() - 1; ++j) ^ user.cpp:77:6: warning: variable ‘last’ set but not used [-Wunused-but-set-variable] int last = 0; ^ user.cpp:79:7: warning: unused variable ‘ok’ [-Wunused-variable] bool ok = 0; ^ user.cpp:63:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("praslea.in", "r", stdin); ^ user.cpp:64:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("praslea.out", "w", stdout); ^ user.cpp:66:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &rmax); ^ user.cpp:71:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &a, &b, &f, &r); ^