题目:
从键盘输入10个学生的姓名和成绩,用选择法按成绩降序排序并输出(要求姓名和成绩对应关系保持不变)。
#include<stdio.h>
#include<string.h>int main(void)
{
double score[5] = {0};
char name[5][10] = {{'\0'}};
int i = 0;
printf("请输入姓名:");
for(i= 0;i < 5;i++){
gets(name[i]);
}
printf("请输入成绩:");
for(i = 0;i < 5;i++){
scanf("%lf",&score[i]);
}
double tmp = 0;
char ex_name[5][10]= {'\0'};
int j = 0;
int pos = 0;
for(i = 0;i < 4;i++){
pos = i;
for(j = i+1;j<5;j++){
if(score[j] < score[pos]){
pos = j;
}
}
if(pos != i){
tmp = score[pos];
score[pos] = score[i];
score[i] = tmp;
strcpy(ex_name[i],name[i]);
strcpy(name[i],name[pos]);
strcpy(name[pos],ex_name[i]);
}
}
for(i = 0;i < 5;i++){
printf("%s\t",name[i]);
}
printf("\n");
for(i = 0; i < 5 ; i++){
printf("%.2lf\t",score[i]);
}
printf("\n");
return 0;
}