Compilare: user.cpp: In function ‘int main()’: user.cpp:91:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<final.size();++i) ^ user.cpp:14:9: warning: unused variable ‘sms’ [-Wunused-variable] int sms=0,bigs=0,rs=2,rb=n,sj=0,g=0; ^ user.cpp:14:15: warning: unused variable ‘bigs’ [-Wunused-variable] int sms=0,bigs=0,rs=2,rb=n,sj=0,g=0; ^ user.cpp:14:22: warning: unused variable ‘rs’ [-Wunused-variable] int sms=0,bigs=0,rs=2,rb=n,sj=0,g=0; ^ user.cpp:15:10: warning: unused variable ‘oks’ [-Wunused-variable] bool oks=false,okb=false; ^ user.cpp:15:20: warning: unused variable ‘okb’ [-Wunused-variable] bool oks=false,okb=false; ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("semne3.in","r",stdin); ^ user.cpp:12:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("semne3.out","w",stdout); ^ user.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&n); v.push_back(0); ^ user.cpp:16:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ /tmp/ccgz330v.o: In function `main': user.cpp:(.text.startup+0x92): warning: the `gets' function is dangerous and should not be used.