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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #758239 | #6517. Computational Geometry | HuangHanSheng | Compile Error | / | / | C++23 | 2.2kb | 2024-11-17 17:03:06 | 2024-11-17 17:03:08 |
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Details
answer.code: In function ‘int main()’:
answer.code:94:36: error: redeclaration of ‘long long int cross’
94 | ll cross = (x[j] - x[i]) * (y[k] - y[i]) - (y[j] - y[i]) * (x[k] - x[i]);
| ^~~~~
answer.code:88:36: note: ‘long long int cross’ previously declared here
88 | ll cross = (x[j] - x[i]) * (y[k] - y[i]) - (y[j] - y[i]) * (x[k] - x[i]);
| ^~~~~
answer.code:49:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
49 | freopen(task".inp","r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
answer.code:50:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
50 | freopen(task".out","w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~