题解 | 完全数计算
完全数计算
https://www.nowcoder.com/practice/7299c12e6abb437c87ad3e712383ff84
#include <stdio.h>
int main() {
int n,num,i,j,sum;
while (scanf("%d", &n) != EOF) {
num = 0;
for(i = 1;i <= n;i++)
{
sum = 0;
for(j = 1;j < i;j++)
{
if(i % j == 0)
sum += j;
}
if(sum == i)
num += 1;
}
printf("%d\n", num);
}
return 0;
}
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