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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #658134 | #7906. Almost Convex | Soohti | Compile Error | / | / | C++17 | 2.9kb | 2024-10-19 16:13:47 | 2024-10-19 16:13:48 |
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Details
answer.code: In function ‘double cos(Point, Point, Point)’:
answer.code:31:55: error: ‘sqrt’ was not declared in this scope
31 | return (dis(a, b) + dis(b, c) - dis(a, c)) / (2 * sqrt(dis(a, b)) * sqrt(dis(b, c)));
| ^~~~