Compilare: user.cpp: In function ‘void bec(int)’: user.cpp:28:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(!viz1[x[k]]&&!viz2[k+x[k]]&&!viz3[k-x[k]+N]) ^ user.cpp: In function ‘void citire()’: user.cpp:12:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp: In function ‘int main()’: user.cpp:49:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("damesah.in","r",stdin); ^ user.cpp:50:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("damesah.out","w",stdout); ^