Submission #833679

#	Time	Username	Problem	Language	Result	Execution time	Memory
833679		vjudge1	Exam (eJOI20_exam)	C++17	12 / 100	17 ms	1220 KiB

exam

#include <bits/stdc++.h>

using namespace std;

vector<int>h, t;
vector<bool>vis;
int n;

int d[] = {-1, 1};

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);  
    cin >> n;
    h.resize(n + 1);
    t.resize(n + 1);
    vis.resize(n + 1, 0);

    for(int i = 1; i <= n; i++) cin >> h[i];
    for(int i = 1; i <= n; i++) cin >> t[i];

    queue<int>q;

    int x = t[1];
    int ans = 0;
    for(int i = 1; i <= n; i++){
        if(h[i] == x){
            q.push(i);
            ans++;
            vis[i] = true;
        }
    }

    while(!q.empty()){
        int cur = q.front(); q.pop();
        for(int i = 0; i < 2; i++){
            int nxt = cur + d[i];
            if(nxt > 0 && nxt <= n && h[nxt] < x && !vis[nxt]){
                vis[nxt] = true;
                q.push(nxt);
                ans++;
            }
        }
    }

    cout << ans << '\n';

    return 0;   
}

• Subtask 1: 0 / 14
• Subtask 2: 12 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22