Submission #20671

#	Time	Username	Problem	Language	Result	Execution time	Memory
20671		Kwiyomi Express (#35)	채점 시스템 (OJUZ11_judge)	C++98	100 / 100	46 ms	2020 KiB

judge

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include <queue>
#include <map>
#include <algorithm>
#include <cmath>
#include <iostream>
#include <sstream>
#include <set>
using namespace std;

int main()
{
	int n;
	cin >> n;
	for (int i=0; i<n; i++) {
		long long a, b;
		scanf("%lld %lld", &a, &b);
		long long val = 10;
		while (val <= a) val *= 10;
		int cnt = 0;
		while (val + a <= b) {
			cnt ++;
			val *= 10;
		}
		printf("%d\n", cnt);
	}
}

Compilation message (stderr)

judge.cpp: In function 'int main()':
judge.cpp:21:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &a, &b);
                             ^

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