c++ 学生成绩排序

#include<iostream>#include<cstdio>#include<cstring>#include<algorithm>using namespace std;struct stu{char name[21];int grade;};struct rule{bool operator()(const stu&a1,cons

小单同学shan

2886人浏览 · 2022-02-18 23:10:43

小单同学shan · 2022-02-18 23:10:43 发布

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;

struct stu{
	char name[21];
	int grade;
};
struct rule{
	bool operator()(const stu&a1,const stu&a2)const{
	if(a1.grade>a2.grade){
		return true;
	}
	if(a1.grade==a2.grade){
		if(strcmp(a1.name,a2.name)<0){
			return true;
		}
	}
	return false;
	}
};

int main(){
	int n;
	cin>>n;
	stu a[n];
	for(int i=0;i<n;i++){
		cin>>a[i].name;
		cin>>a[i].grade;
	}
		sort(a,a+n,rule());
	for(int i=0;i<n;i++){
		cout<<a[i].name<<' '<<a[i].grade<<endl;
	}

	
	return 0;
}