Submission #30851

#	Time	Username	Problem	Language	Result	Execution time	Memory
30851		okaybody10	채점 시스템 (OJUZ11_judge)	C++98	100 / 100	53 ms	1116 KiB

judge

#include <stdio.h>

int wkfltn(int n)
{
    int cnt=0;
    if(n==0)
        return 1;
    while(n)
    {
        n/=10;
        cnt++;
    }
    return cnt;
}

int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        int S,P;
        scanf("%d %d",&P,&S);
        int wkfl=wkfltn(P); // O(P의 자리수)
        long long int tenpow=1;
        for(int i=1;i<=wkfl;i++)
            tenpow*=10;
        int zerocount=0;
        while(1)
        {
            if(tenpow+P>S)
                break;
            zerocount++;
            tenpow*=10;
        }
        printf("%d\n",zerocount);
    }
    return 0;
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:19:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&T);
                   ^
judge.cpp:23:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&P,&S);
                             ^

• Subtask 1: 31 / 31
• Subtask 2: 47 / 47
• Subtask 3: 22 / 22