백준
[1110] 더하기 사이클
Jcoder
2018. 5. 14. 22:14
#include <stdio.h>int main(){int first, num, num2, num3, sum, count = 0;scanf("%d", &num);while (1){if (num >= 0 && num < 100){first = num;break;}elsescanf("%d", &num);}while (1){num2 = num / 10;num3 = num % 10;sum = num2 + num3;num = num3 * 10 + (sum % 10);count++;if (first == num){printf("%d\n", count);break;}}return 0;}