제출 #896358

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
896358		vjudge1	무제 (POI11_tem)	C++17	100 / 100	572 ms	9612 KiB

Main

    #include <bits/stdc++.h>
    using namespace std;
     
    const int maxN = 1e6 + 10;
    const int inf = 0x3f3f3f3f;
    int a[maxN], b[maxN];
     
    signed main(){
        int n;
        cin >> n;
        for (int i = 1; i <= n; ++i){
            cin >> a[i] >> b[i];
        }
        deque <int> Q;
        int i = 1, j = 0;
        b[n + 1] = -inf;
        int ans = 1;
        while (i <= n){
            while (!Q.empty() && Q.front() < i) Q.pop_front();
            if (j < i){
                j = i;
                Q.push_back(i);
            }
            while (j <= n && a[Q.front()] <= b[j + 1]){              
                ++j;
                while (!Q.empty() && a[Q.back()] <= a[j]) Q.pop_back();
                Q.push_back(j);
     
            }
            ans = max(ans, j - i + 1);
            ++i;
        }
        cout << ans;
    }

• 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