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1004 成绩排名 (20 分)
读入 n（>0）名学生的姓名、学号、成绩，分别输出成绩最高和成绩最低学生的姓名和学号。
输入格式：
每个测试输入包含 1 个测试用例，格式为
第 1 行：正整数 n 第 2 行：第 1 个学生的姓名 学号 成绩 第 3 行：第 2 个学生的姓名 学号 成绩 ... ... ... 第 n+1
行：第 n 个学生的姓名 学号 成绩
其中姓名和学号均为不超过 10 个字符的字符串，成绩为 0 到 100 之间的一个整数，这里保证在一组测试用例中没有两个学生的成绩是相同的。
输出格式：
对每个测试用例输出 2 行，第 1 行是成绩最高学生的姓名和学号，第 2 行是成绩最低学生的姓名和学号，字符串间有 1 空格。
输入样例：
3 Joe Math990112 89 Mike CS991301 100 Mary EE990830 95
输出样例：
Mike CS991301 Joe Math990112
代码：
#include <iostream> #include <map> using namespace std; typedef struct{
string name,sno; int score; } student; int main(){ int n,max = 0,min = 0;
student s[1000]; cin>>n; for(int i = 0;i<n;i++){ cin>>s[i].name; cin>>s[i].sno;
cin>>s[i].score; } for(int i = 0;i<n;i++){ if(s[i].score>s[max].score) max = i;
if(s[i].score<s[min].score) min = i; } cout<<s[max].name<<"
"<<s[max].sno<<endl; cout<<s[min].name<<" "<<s[min].sno; }
