Submission #619071

#	Time	Username	Problem	Language	Result	Execution time	Memory
619071		1bin	Untitled (POI11_tem)	C++14	100 / 100	278 ms	23296 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) dq.pop_front();
        while(dq.size() && dq.back().fi <= mn) {
            x = dq.back().se; dq.pop_back();
        }
        dq.emplace_back(mn, x);
        ans = max(ans, i - dq.front().se + 1);
    }
    cout << ans;
    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 8 / 8
• Subtask 5: 8 / 8
• Subtask 6: 8 / 8
• Subtask 7: 8 / 8
• Subtask 8: 8 / 8
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9
• Subtask 11: 9 / 9
• Subtask 12: 9 / 9