제출 #619059

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
619059		1bin	무제 (POI11_tem)	C++14	0 / 100	194 ms	18508 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 1e6 + 5;
int n, mn, mx, ans, x;
deque<pair<int, int>> dq;

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> mn >> mx; x = i;
        while(dq.size() && dq.front().fi <= mx) {
            x = dq.front().fi; dq.pop_front();
        }
        dq.emplace_back(mn, x);
        ans = max(ans, i - dq.front().se + 1);
    }
    cout << ans;
    return 0;
}

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