Submission #20748

#	Time	Username	Problem	Language	Result	Execution time	Memory
20748		eaststar	채점 시스템 (OJUZ11_judge)	C++11	100 / 100	39 ms	1116 KiB

judge

#include <stdio.h>
int main(){
    long long t;
    int n,x,y,s;
    scanf("%d",&n);
    for(;n--;){
        scanf("%d%d",&x,&y);
        s=0;
        for(t=10;t<=x;t*=10);
        for(;t+x<=y;++s,t*=10);
        printf("%d\n",s);
    }
    return 0;
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:5:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
judge.cpp:7:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
                            ^

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