Submission #718660

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
718660	2023-04-04 13:31:09	lam	Rainforest Jumps (APIO21_jumps)	C++14	33 / 100	4064 ms	14408 KiB

jumps

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#include "jumps.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;
const int maxn = 2e5 + 10;
int n,d[maxn];
int a[maxn];
vector <int> adj[maxn];
void addedge(int u, int v)
{
    adj[u].push_back(v);
}
void init(int N, std::vector<int> H) {
    n=N;
    for (int i=0; i<n; i++) a[i]=H[i],adj[i].clear();
    deque<int> dq;
    for (int i=0; i<n; i++)
    {
        while (!dq.empty()&&a[dq.back()] < a[i]) dq.pop_back();
        if (!dq.empty()) addedge(i,dq.back());
        dq.push_back(i);
    }
    while (!dq.empty()) dq.pop_back();
    for (int i=n-1; i>=0; i--)
    {
        while (!dq.empty()&&a[dq.back()] < a[i]) dq.pop_back();
        if (!dq.empty()) addedge(i,dq.back());
        dq.push_back(i);
    }
 
 
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• Subtask 1: 0 / 4
• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 0 / 23
• Subtask 6: 0 / 21
• Subtask 7: 0 / 19