Compilare: user.cpp: In function ‘void solve(int, int)’: user.cpp:38:19: warning: unused variable ‘semnplus’ [-Wunused-variable] int semnexc=0,semnplus=0,semnimp=0,ans=0,semnpow=0,a[101],num=0,ant=0,cif[101]; ^ user.cpp: In function ‘int main()’: user.cpp:101:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare2.in","r",stdin); ^ user.cpp:102:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare2.out","w",stdout); ^ user.cpp:103:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] gets(s); ^ user.cpp: In function ‘int putere(int, int, int)’: user.cpp:34:12: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] return rasp; ^ /tmp/ccVcw5DL.o: In function `main': user.cpp:(.text.startup+0x53): warning: the `gets' function is dangerous and should not be used.