제출 #538996

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
538996	2022-03-18 07:13:29	Monarchuwu	3단 점프 (JOI19_jumps)	C++17	100 / 100	830 ms	50508 KiB

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#include<iostream>
#include<algorithm>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define ff first
#define ss second
const int N = 5e5 + 5;
int n, q;
int a[N];
struct Query {
    int l, r, id;
    bool operator < (const Query &o) const { return l > o.l; }
} Q[N];
int st[N], top;
int cnt;
pii p[N << 1];
void init() {
    for (int i = 1; i <= n; ++i) {
        while (top && a[st[top]] < a[i]) --top;
        if (top) p[++cnt] = pii(st[top], i);
        st[++top] = i;
    }
    top = 0;
    for (int i = n; i; --i) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54