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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #475846 | #6736. Alice and Bob | ZhaoZiLong | Compile Error | / | / | C++11 | 799b | 2024-07-13 16:50:59 | 2024-07-13 16:50:59 |
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Details
cc1plus: error: ‘::main’ must return ‘int’
answer.code: In function ‘int main()’:
answer.code:40:30: error: ‘fac’ was not declared in this scope
40 | sum = (sum + fac[n - i] * fac[n - i] % 998244353 * ifac[n - 2 * i + 1] % 998244353) % 998244353;
| ^~~
answer.code:40:68: error: ‘ifac’ was not declared in this scope
40 | sum = (sum + fac[n - i] * fac[n - i] % 998244353 * ifac[n - 2 * i + 1] % 998244353) % 998244353;
| ^~~~