題目鏈接：http://ac.jobdu.com/problem.php?pid=1018

詳解鏈接：https://github.com/zpfbuaa/JobduInCPlusPlus

參考代碼：

//
//  1018.cpp
//  oj
//
//  Created by PengFei_Zheng on 05/04/2017.
//  Copyright © 2017 PengFei_Zheng. All rights reserved.
//
//ios::sync_with_stdio(false);
 
#include <stdio.h>
#include <iostream>
#include 
 
<algorithm>
#include <string.h>
 
using namespace std;
 
int n,temp,grade;
int score[101]={0};
 
int main(){
 
    while(scanf("%d",&n)&&n!=0){
        memset(score,0,sizeof(score));
        for(int i = 0 ; i < n ; i++){
            scanf("%d",&temp);
            score[temp]
 
++;
        }
        scanf("%d",&grade);
        printf("%d\n",score[grade]) ;
    }
}
 
/**************************************************************
    Problem: 1018
    User: zpfbuaa
    Language: C++
    Result: Accepted
    Time:10 ms
    Memory:1520 kb

題目1018：統計同成績學生人數（數組或者map）