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  • 成绩排序

    题目要求

    代码:

    #include<stdio.h>
    #include<algorithm>
    #include<string.h>
    using namespace std;
    //定义表示学生的结构体
    struct E {
    	char name[101];
    	int age;
    	int score;
    
    	//方法一:运算符重载
    	bool operator < (const E &b) const {
    		if (score != b.score) return score < b.score;
    
    		int tmp = strcmp(name, b.name);
    		if (tmp != 0) return tmp < 0;
    		else return age < b.age;
    	}
    
    }buf[1000];
    //方法二:自定义排序规则
    //bool cmp(E a, E b) {
    	//if (a.score != b.score) {
    		//return a.score < b.score;
    	//}
    	
    	//int tmp = strcmp(a.name, b.name);//比较两个字符串,若s1<s2,返回值<0;若s1=s2,返回值=0;若s1>s2,返回值>0;
    	//if (tmp != 0)
    		//return tmp < 0;//若分数相同则名字字典小的排在前面
    	//else return a.age < b.age;
    //}
    int main() {
    	int n;
    	while (scanf("%d", &n) != EOF)
    	{
    		for (int i = 0; i < n; i++)
    		{
    			scanf("%s %d %d", buf[i].name, &buf[i].age, &buf[i].score);
    		}
    		sort(buf, buf+n);
    		for (int i = 0; i < n; i++)
    		{
    			printf("%s %d %d
    ", buf[i].name, buf[i].age, buf[i].score);
    		}
    	}
    	return 0;
    }
    
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  • 原文地址:https://www.cnblogs.com/forfly/p/8552594.html
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