Compilare: user.cpp: In function ‘void pozitieQ()’: user.cpp:43:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = p; i <= a.size(); ++i){ ^ user.cpp: In function ‘void infas()’: user.cpp:67:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < b.size(); ++i){ ^ user.cpp: In function ‘void read()’: user.cpp:31:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &k); ^ user.cpp:34:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf\n", &aux.x, &aux.y); ^ user.cpp: In function ‘int main()’: user.cpp:89:39: 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:90:41: 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:93:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &q.x, &q.y); ^