A1036 Boys vs Girls (25 分| 查找元素，附详细注释，逻辑分析)

写在前面

• 思路分析

• string型female和male保存要求的学生信息
• int型fscore和mscore保存男生最低分和女生最高分

• 初始化fscore-1， mscore为最大值101
• 根据性别、分数大小迭代更新:

• female和male
• fscore和mscore

• 题目简单，不再赘述

• 15分钟a题目

测试用例

input:
3
Joe M Math990112 89
Mike M CS991301 100
Mary F EE990830 95

output:
Mary EE990830
Joe Math990112
6

input:
1
Jean M AA980920 60

output:

ac代码

#include <iostream>
using namespace std;

int main()
{
    int n;
    scanf("%d", &n);
    string female, male;
    int fscore = -1, mscore = 101;

    for(int i=0; i<n; i++)
    {
        string name, sex, num;
        int score;
        cin >> name >> sex >> num;
        scanf("%d", &score);

        if(sex == "F")
        {
            if(fscore < score)
            {
                fscore = score;
                female = name + " " + num;
            }
        }
        else if (mscore > score)
        {
            mscore = score;
            male = name + " " + num;
        }
    }
    if(fscore != -1)
        cout << female << endl;
    else
        printf("Absent\n");
    if(mscore != 101)
        cout << male << endl;
    else
        printf("Absent\n");
    if(mscore != 101 && fscore != -1)
        printf("%d", fscore-mscore);
    else
        printf("NA\n");

    return 0;
}