management30/5.c

//<2F>Ӵ<EFBFBD><D3B4>⿪ʼ<E2BFAA><CABC>װ<EFBFBD><D7B0><EFBFBD><EFBFBD> 
#include <stdio.h>
#include <string.h>
int cnt=0;
struct student{
	int clas;
    char id[20],name[20];
    double score1,score2,score3,total;
}s[10];

void input(){
	int i,j;
	for(i=0;i<3;i++){
		scanf("%s%d%s%lf%lf%lf",s[i].id,&s[i].clas,s[i].name,&s[i].score1,&s[i].score2,&s[i].score3);
		cnt++;
		s[i].total=s[i].score1+s[i].score2+s[i].score3;
	}

}

void del(){
	char str[20];
	scanf("%s",str);
	int i=find(str);
	if(i!=-1){
		for(;i<cnt;i++){
			s[i]=s[i+1];
		}
		cnt--;
	}
}

int find(char str[]){
	int i;
	for(i=0;i<cnt;i++){
		if(strcmp(s[i].id,str)==0||strcmp(s[i].name,str)==0){
			return i;
		}
	}
	return -1;
}

void order(){
	int i,j;
	for(i=0;i<cnt-1;i++){
		for(j=0;j<cnt-i-1;j++){
			if(s[j].clas>s[j+1].clas||(s[j].clas==s[j+1].clas&&s[j].total<s[j+1].total)){
				struct student t;
				t=s[j];
				s[j]=s[j+1];
				s[j+1]=t;
			}
		}
	}	
}

void output(){
	int i;
	for(i=0;i<cnt;i++){
		printf("%s %d %s %.1f %.1f %.1f\n",s[i].id,s[i].clas,s[i].name,s[i].score1,s[i].score2,s[i].score3);
	}	
}

int main(){
	input();
	del();
	order();
		
	printf("Are you sure(yes/no)?");
	char c;
	scanf(" %c",&c);
	if(c=='n') output();
	return 0;
}
//10001 11 Zhang 99.5 88.5 89.5
//10002 12 Yang 77.9 56.5 87.5
//10003 11 Liang 92.5 99.0 60.5
//Zhang
//n