제출 #20478

#제출 시각아이디문제언어결과실행 시간메모리
20478볼빨간민돌이 (#35)채점 시스템 (OJUZ11_judge)C++11
100 / 100
46 ms1116 KiB
#include <cstdio>

int main(){
	int n;
	scanf("%d", &n);
	for(int i=1; i<=n; i++){
		long long p, t;
        scanf("%lld %lld", &p, &t);

        long long in=10;
        while(in <= p) in*=10;

        int cnt=0;
        while(p+in<=t) cnt++, in*=10;
        printf("%d\n", cnt);
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

judge.cpp: In function 'int main()':
judge.cpp:5:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
judge.cpp:8:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld", &p, &t);
                                   ^
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