Compilare: user.cpp: In function ‘int solve()’: user.cpp:25:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[z] != s[i]) ^ user.cpp:10:22: warning: variable ‘pmij’ set but not used [-Wunused-but-set-variable] int n,i,j,k,nr=0,pmij,z,ok=0,oks,okf,aux; ^ user.cpp:13:24: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s,Nmax,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:53:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("palind.in","r",stdin); ^ user.cpp:54:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("palind.out","w",stdout); ^ user.cpp:55:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n",&t); ^