ABC396
...2
ABC396
A
按题意模拟即可
[code]#include using namespace std;const int N = 2e5 + 5;int n, a[N];int main() { ios :: sync_with_stdio(0), cin.tie(0); cin >> n; for (int i = 1; i > a) { } for (int i = 1; i < n - 1; ++i) { ...
孜尊
2026-3-12 04:04
263
0
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