Submission #1150668

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1150668	2025-02-15 10:38:39	eri16	Separator (CEOI19_separator)	C++20	0 / 100	1 ms	328 KiB

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#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7; // A prime modulus is better
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    long long a, b, max1 = 0;
    cin >> a;
    vector<int> v;
    v.reserve(a);  // Preallocating space
    cin >> b;
    max1 = b;
    v.push_back(b);
    
    cout << 1 << '\n';
    for (int i = 1; i < a; i++) {
        cin >> b;
        b = (b + v.size()) % MOD;
        // Efficiently remove elements greater than b
        auto it = lower_bound(v.begin(), v.end(), b);
        v.erase(it, v.end());
 
 
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