Compilare: main.cpp: In function 'int main()': main.cpp:46:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(nrc) ^ main.cpp:33:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("order.in","r",stdin); ^ main.cpp:34:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("order.out","w",stdout); ^ main.cpp:35:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^