源代码：
#include<stdio.h>
int main()
{
int one,two,five;
int x;
printf("请输入待兑换金额(元)：\n");
scanf("%d",&x);
for(one=0;one<=x*10;one++)
for(two=0;two<=x*10/2;two++)
for(five=0;five<=x*10/5;five++)
{
if(one*1+two*2+five*5==x*10)
{
printf("%d个1角加%d个2角加%d个5角硬币可兑换%d元硬币\n",one,two,five,x);
}
}
return 0;
}
#include<stdio.h>
int main()
{
int one,two,five;
int x;
printf("请输入待兑换金额(元)：\n");
scanf("%d",&x);
for(one=0;one<=x*10;one++)
for(two=0;two<=x*10/2;two++)
for(five=0;five<=x*10/5;five++)
{
if(one*1+two*2+five*5==x*10)
{
printf("%d个1角加%d个2角加%d个5角硬币可兑换%d元硬币\n",one,two,five,x);
}
}
return 0;
}
