Problem	knapsack
User	LL
Submission Time	2026-02-16 17:15:22
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

knapsack.cpp: In function ‘void check(ll, ll)’:
knapsack.cpp:15:13: error: ‘opt’ was not declared in this scope
15 | ll v = arr[opt[i] S] F F;
| ^~~
knapsack.cpp: In function ‘int main()’:
knapsack.cpp:43:15: error: expected ‘;’ before ‘sort’
43 | arr[n] S = -1
| ^
| ;
44 |
45 | sort(opt, opt + n, greater<pll>());
| ~~~~