Compilare: user.cpp: In function ‘int main()’: user.cpp:53:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(rez > dim/2) ^ user.cpp:79:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(rez >dim/2) ^ user.cpp:17:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("origami.in","r",stdin); ^ user.cpp:18:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("origami.out","w",stdout); ^ user.cpp:20:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld%ld",&n,&t); m = n; ^ user.cpp:27:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld %ld",&op,&val); ^