Compilare: main.cpp: In function 'int main()': main.cpp:27:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(coada[inc]%p==n) ~~~~~~~~~~~~^~~ main.cpp:10:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.in","r",stdin); ^ main.cpp:11:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cifre4.out","w",stdout); ^ main.cpp:12:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ main.cpp:15:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&p); ^