제출 #1229183

#제출 시각아이디문제언어결과실행 시간메모리
1229183unnickBouquet (EGOI24_bouquet)C++20
24 / 100
60 ms416 KiB
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

// #define dbg(v) cout << #v << " = " << v << "\n";

int main() {
    int n;
    cin >> n;
    // vector<int> best(n, 0);
    int last = -2000000;
    int v = 0;
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;
        // dbg(i);
        // dbg(l);
        // dbg(last);
        if (i-l > last) {
            last = i;
            v++;
        }
        // if (i > 0) best[i] = best[i-1];
        // best[i] = max(best[i], (i-l-1 >= 0 ? best[i-l-1] : 0)+1);

    }
    // for (int v: best) dbg(v);
    // cout << best.back() << "\n";
    cout << v << "\n";
    return 0;
}
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