제출 #20661

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20661		우리OJ (#35)	채점 시스템 (OJUZ11_judge)	C++14	100 / 100	46 ms	2020 KiB

judge

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <bitset>

using namespace std;
typedef pair<int, int> Pi;
typedef long long ll;
#define pii Pi
#define pll PL
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) ((int)(x).size())
#define rep(i, n) for(int i=0;i<n;i++)
#define all(x) (x).begin(), (x).end()
typedef tuple<int, int, int> t3;
typedef pair<ll, ll> PL;

void solve(){
	int n, m;
	scanf("%d%d", &n, &m);
	ll L = 1;
	while(L <= n)L *= 10;
	if(n == 0)L = 10;
	int ans = 0;
	while(1){
		if(n + L <= m)ans++, L *= 10;
		else break;
	}
	printf("%d\n", ans);
}

int main(){
	int Tc = 1; scanf("%d", &Tc);
	for(int tc=1;tc<=Tc;tc++){
		//printf("Case #%d: ", tc);
		solve();
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

judge.cpp: In function 'void solve()':
judge.cpp:35:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
                       ^
judge.cpp: In function 'int main()':
judge.cpp:48:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int Tc = 1; scanf("%d", &Tc);
                              ^

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