求a+aa+aaa+aaaa+aaaaa

在这里插入代码片
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
int main()
{
 //产生一个新数字，求累加和
 int num;
 printf("请输入一个数：");
 scanf("%d", &num);
 int sum = num;
 int new_num=num;
 for (int count = 1; count <5; count++)
 {
  new_num = new_num * 10 + num;
  printf("%d\n", new_num);
  sum = sum + new_num;
 }
 printf("%d\n", sum);
 system("pause");
 return 0;
}