Problem	railway
User	weccs
Submission Time	2026-09-26 15:31:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

railway.cpp: In function ‘int main()’:
railway.cpp:61:26: error: ‘i’ was not declared in this scope
61 | for (int k = 1; k < 20; i++) {
| ^