Submission #146658

#	Time	Username	Problem	Language	Result	Execution time	Memory
146658		pichulia	분수 (KPI13_fractions)	C++11	0 / 1	1067 ms	504 KiB

fractions

#include<stdio.h>
int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        long long int a,b,c,d;
        long long int k;
        scanf("%lld %lld %lld %lld",&a,&b,&c,&d);
        long long int x,y;
        long long int p,q;
        k = a/b;
        y=1;
        while(1)
        {
            p=d+(a*y/b)*d;
            q=c*y;
            if(p<q)break;
            y += (p-q)/(c-k*d)+1;
        }
        x = a*y/b+1;
        printf("%lld %lld\n",x,y);
    }
}

Compilation message (stderr)

fractions.cpp: In function 'int main()':
fractions.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&t);
     ~~~~~^~~~~~~~~
fractions.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld %lld %lld",&a,&b,&c,&d);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1