Compilare: user.cpp: In function ‘int main()’: user.cpp:2:85: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long n,k,i,j,nr;int main(){freopen("farfurii.in","r",stdin);freopen("farfurii.out","w",stdout);scanf("%lld %lld",&n,&k);i=1;while(i*(i+1)/2<k)i++;for(j=1;j<=n-i-1;j++)printf("%lld ",j);nr=n-i*(i+1)/2+k;printf("%lld ",nr);for(j=n;j>=n-i;j--)if(j!=nr)printf("%lld ",j);return 0;} ^ user.cpp:2:120: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long n,k,i,j,nr;int main(){freopen("farfurii.in","r",stdin);freopen("farfurii.out","w",stdout);scanf("%lld %lld",&n,&k);i=1;while(i*(i+1)/2<k)i++;for(j=1;j<=n-i-1;j++)printf("%lld ",j);nr=n-i*(i+1)/2+k;printf("%lld ",nr);for(j=n;j>=n-i;j--)if(j!=nr)printf("%lld ",j);return 0;} ^ user.cpp:2:145: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;long long n,k,i,j,nr;int main(){freopen("farfurii.in","r",stdin);freopen("farfurii.out","w",stdout);scanf("%lld %lld",&n,&k);i=1;while(i*(i+1)/2<k)i++;for(j=1;j<=n-i-1;j++)printf("%lld ",j);nr=n-i*(i+1)/2+k;printf("%lld ",nr);for(j=n;j>=n-i;j--)if(j!=nr)printf("%lld ",j);return 0;} ^