if判断时,=是赋值不是判断,改为==
while 后面的代码,应该在do while 循环里面的,不是在后面。
#include<iostream>
using namespace std;
int main() {
int num = 100;
do{
int a, b, c;
a = num % 10;
b = num / 10 % 10;
c = num / 100;
if (num==a * a * a + b * b * b + c * c * c) {
cout << num << endl;
}
num++;
} while (num < 1000);
return 0;
}
你这都没写到循环里边去,修改如下
int main() {
int num = 100;
do{
int a, b, c;
a = num % 10;
b = num / 10 % 10;
c = num / 100;
if (a * a * a + b * b * b + c * c * c == num) {
cout << num << endl;
}
num++;
} while (num < 1000);
}