Compilare: user.cpp: In function ‘int main()’: user.cpp:50:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c1, CON=con; ^ user.cpp:50:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c1, CON=con; ^ user.cpp:57:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c1+1, CON=con; ^ user.cpp:57:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c1+1, CON=con; ^ user.cpp:64:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c2-1, CON=con; ^ user.cpp:64:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c1+1+con<COM+CON && x<=VERIF && VERIF<=y) COM=c2-1, CON=con; ^ user.cpp:71:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c2+con<COM+CON && x<=VERIF && VERIF<=y) COM=c2, CON=con; ^ user.cpp:71:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (c2+con<COM+CON && x<=VERIF && VERIF<=y) COM=c2, CON=con; ^ user.cpp:32:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.in","r",stdin); ^ user.cpp:33:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taste.out","w",stdout); ^ user.cpp:36:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld", &x, &y); ^