[C++知识库]PAT-A1083(C/C++代码解析)

1083 List Grades (25 分)

#include <stdio.h>
//#include <string.h>
#include <algorithm>
struct student{
	char name[88];
	char id[88];
	int grade;
	int flag=0;
};
bool cmp (student a,student b); 
using namespace std;
int main ()
{
	int a,b,i,n,q=0;
	scanf ("%d",&n);
	struct student stu[n];
	for (i=0;i<n;i++)
	scanf ("%s %s %d",stu[i].name,stu[i].id,&stu[i].grade);
	scanf ("%d %d",&a,&b);
	for (i=0;i<n;i++)
	{
		if (stu[i].grade>=a&&stu[i].grade<=b)
		{
			stu[i].flag=1;
			q++;
		}
		
	}
	sort (stu,stu+n,cmp);
	if (q==0)
	printf ("NONE");
	else
	{
		for (i=0;i<n;i++)
		{
			if (stu[i].flag==1)
			printf ("%s %s\n",stu[i].name,stu[i].id);
		}
	}
	return 0;	
} 

bool cmp (student a,student b)
{
	return a.grade>b.grade;
}