摘要:
```c++ #include #include int a[100010]; int main() { int n, q; scanf("%d", &n); for (int i = 1; i > 1; if (a[mid] >= x) { ans = mid; r = mid - 1; } else l = mid + 1; } if (ans == -1 || a[ans] != x) pr 阅读全文
posted @ 2020-04-27 16:53
Snow_in_winer
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