oj.uz

답안 #1013048

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1013048 2024-07-03T06:32:58 Z 12345678 Fish 2 (JOI22_fish2) C++17
8 / 100
 11 ms 5212 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=1e5+5;

ll n, q, t, x, y, a[nx], l[nx], r[nx], sm[nx], rt, dp[nx], res;

void dfs(int u)
{
    sm[u]=a[u];
    if (l[u]) dfs(l[u]), sm[u]+=sm[l[u]];
    if (r[u]) dfs(r[u]), sm[u]+=sm[r[u]];
}

void dfs2(int u)
{
    if (l[u]&&sm[l[u]]>=a[u]) dp[l[u]]=1, dfs2(l[u]);
    if (r[u]&&sm[r[u]]>=a[u]) dp[r[u]]=1, dfs2(r[u]);
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=1; i<=n; i++) cin>>a[i];
    cin>>q>>t>>x>>y;
    stack<ll> s;
    for (int i=1; i<=n; i++)
    {
        while (!s.empty()&&a[s.top()]<a[i]) l[i]=s.top(), s.pop();
        if (s.empty()) rt=i;
        else r[s.top()]=i;
        s.push(i);
    }
    //cout<<"rt "<<rt<<'\n';
    //for (int i=1; i<=n;i ++) cout<<i<<' '<<l[i]<<' '<<r[i]<<'\n';
    dfs(rt);
    dp[rt]=1;
    dfs2(rt);
    for (int i=1; i<=n; i++) res+=dp[i];
    cout<<res;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 9 ms 4844 KB Output is correct
3 Correct 9 ms 4444 KB Output is correct
4 Correct 7 ms 4700 KB Output is correct
5 Correct 6 ms 4356 KB Output is correct
6 Correct 11 ms 5212 KB Output is correct
7 Correct 6 ms 3644 KB Output is correct
8 Correct 11 ms 5208 KB Output is correct
9 Correct 6 ms 3672 KB Output is correct
10 Correct 8 ms 4956 KB Output is correct
11 Correct 6 ms 4208 KB Output is correct
12 Correct 7 ms 3928 KB Output is correct
13 Correct 7 ms 3932 KB Output is correct
14 Correct 9 ms 4956 KB Output is correct
15 Correct 9 ms 5096 KB Output is correct

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 9 ms 4844 KB Output is correct
3 Correct 9 ms 4444 KB Output is correct
4 Correct 7 ms 4700 KB Output is correct
5 Correct 6 ms 4356 KB Output is correct
6 Correct 11 ms 5212 KB Output is correct
7 Correct 6 ms 3644 KB Output is correct
8 Correct 11 ms 5208 KB Output is correct
9 Correct 6 ms 3672 KB Output is correct
10 Correct 8 ms 4956 KB Output is correct
11 Correct 6 ms 4208 KB Output is correct
12 Correct 7 ms 3928 KB Output is correct
13 Correct 7 ms 3932 KB Output is correct
14 Correct 9 ms 4956 KB Output is correct
15 Correct 9 ms 5096 KB Output is correct
16 Incorrect 0 ms 344 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 9 ms 4844 KB Output is correct
3 Correct 9 ms 4444 KB Output is correct
4 Correct 7 ms 4700 KB Output is correct
5 Correct 6 ms 4356 KB Output is correct
6 Correct 11 ms 5212 KB Output is correct
7 Correct 6 ms 3644 KB Output is correct
8 Correct 11 ms 5208 KB Output is correct
9 Correct 6 ms 3672 KB Output is correct
10 Correct 8 ms 4956 KB Output is correct
11 Correct 6 ms 4208 KB Output is correct
12 Correct 7 ms 3928 KB Output is correct
13 Correct 7 ms 3932 KB Output is correct
14 Correct 9 ms 4956 KB Output is correct
15 Correct 9 ms 5096 KB Output is correct
16 Incorrect 1 ms 344 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -