while语句循环增长率

Question

#include<stdio.h>
main(){
    int y,n=9860;
    while(n<=30000){
        n=n+n*0.086;
        y++;}
        printf("%d",y);
    }

请问这样定义的类型有错吗？麻烦高人指点，谢谢。

Answer 1

因为你这里相乘之后还有小数，n*0.086，给你改了下

#include<stdio.h>
main(){
    int y=0;
    double  n=9860;
    while(n<=30000){
        n=n+n*0.086;
        y++;}
        printf("%d",y);
    }