Problem trains
User YellowPurpleDragon
Submission Time 2025-06-21 11:18:49
Score 0
Max Time N/A
Max Memory N/A

Compile Error

trains.cpp: In function ‘int main()’:
trains.cpp:12:17: error: ‘j’ was not declared in this scope
12 | cout << b[i][j] << endl;
| ^