Problem	eescapism
User	jeongleean
Submission Time	2026-04-15 16:54:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

eescapism.cpp: In function ‘int main()’:
eescapism.cpp:12:14: error: ‘k’ was not declared in this scope
12 | s+=((k*(k+1))/2)%1000000007;
| ^