Problem	guards_ex
User	YSH2020
Submission Time	2025-05-23 21:24:17
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

guards_ex.cpp:18:51: error: exponent has no digits
18 | for (int i = 2; i < 20; i++) ans[i] = '0'+(total/1e(20-i))%10;
| ^~