Compilare: user.cpp: In function ‘int main()’: user.cpp:62:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i < q.size(); i++) ^ user.cpp:64:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j < v.size(); j++) ^ user.cpp:44:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.in", "r", stdin); ^ user.cpp:45:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.out", "w", stdout); ^ user.cpp:46:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:49:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &crt.x, &crt.y); crt.id = 1; ^ user.cpp:55:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &crt.x, &crt.y); crt.id = 2; ^