UVA-10474 Where is the Marble

题目描述

给一堆石头排序，找到问题所问的数字，若存在则输出第几块石头（从1开始），若不存在则说not found。

Sample Input
4 1
2
3
5
1
5
5 2
1
3
3
3
1
2
3
0 0

Sample Output
CASE# 1:
5 found at 4
CASE# 2:
2 not found
3 found at 3

//
// Created by yoyoOvQ on 2021/2/3.
//

#include <iostream>
#include <fstream>
#include <algorithm>
const int maxn = 10005;
using namespace std;
int main(){
    
    
#ifndef ONLINE_JUDGE
    ifstream cin("UVa/in/in-10474.txt");
    ofstream cout("UVa/out/out-10474.txt");
#endif
    int N,Q,count = 0;
    while (cin >> N >> Q && N && Q){
    
    
        cout << "CASE# " << ++count << ":" << endl;
        int a[maxn];
        for (int i = 0; i < N; ++i) {
    
    
            cin >> a[i];
        }

        sort(a,a+N);
        int ans;
        int q;
        for (int i = 0; i < Q; ++i) {
    
    
            cin >> q;
            ans = lower_bound(a,a+N,q) - a;
            if (a[ans] == q)
                cout << q << " found at " << ans + 1 << endl;
            else
                cout << q << " not found" << endl;
        }

    }
    return 0;
}