Submission #20659

#	Time	Username	Problem	Language	Result	Execution time	Memory
20659		errorist (#35)	채점 시스템 (OJUZ11_judge)	C++14	100 / 100	53 ms	1116 KiB

judge

#include <stdio.h>

int main(){
    long long n,t,p;

    scanf("%lld",&n);
    while(n--){
        int cnt=0;
        long long m=1;

        scanf("%lld %lld",&p,&t);

        while(m<=p) m*=10;
        while(1){
            if(m+p<=t){
                cnt++;
                m*=10;
            }
            else break;
        }
        if(p==0){
            cnt--;
            if(m/10+t<=p) cnt--;
        }

        printf("%d\n",cnt);
    }

    return 0;
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:6:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld",&n);
                     ^
judge.cpp:11:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld",&p,&t);
                                 ^

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