Compilare: user.cpp: In function ‘int main()’: user.cpp:3:182: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] FILE *f=fopen("ejoc.in","r");FILE *g=fopen("ejoc.out","w");int T;long long A,B;long long gcd(long long A,long long B){if(!B) return A;return gcd(B,A%B);}int main(){fscanf(f,"%d",&T);while(T--){fscanf(f,"%lld %lld",&A,&B);fprintf(g,"%s\n",((std::max(A,B)/gcd(A,B))%2?"Dalila":"Denisa"));}return 0;} ^ user.cpp:3:221: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] FILE *f=fopen("ejoc.in","r");FILE *g=fopen("ejoc.out","w");int T;long long A,B;long long gcd(long long A,long long B){if(!B) return A;return gcd(B,A%B);}int main(){fscanf(f,"%d",&T);while(T--){fscanf(f,"%lld %lld",&A,&B);fprintf(g,"%s\n",((std::max(A,B)/gcd(A,B))%2?"Dalila":"Denisa"));}return 0;} ^