oj.uz

Submission #1013051

# Submission time Handle Problem Language Result Execution time Memory
1013051 2024-07-03T06:37:13 Z 12345678 Fish 2 (JOI22_fish2) C++17
25 / 100
 4000 ms 5500 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;
    while (q--)
    {
        cin>>t>>x>>y;
        if (t==1) a[x]=y;
        else
        {
            for (int i=x; i<=y; i++) l[i]=r[i]=0;
            stack<ll> s;
            for (int i=x; i<=y; 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);
            }
            res=0;
            dfs(rt);
            for (int i=x; i<=y; i++) dp[i]=0;
            dp[rt]=1;
            dfs2(rt);
            for (int i=x; i<=y; i++) res+=dp[i];
            cout<<res<<'\n';
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 476 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 4188 KB Output is correct
3 Correct 6 ms 4184 KB Output is correct
4 Correct 8 ms 4348 KB Output is correct
5 Correct 7 ms 4188 KB Output is correct
6 Correct 10 ms 4188 KB Output is correct
7 Correct 7 ms 4188 KB Output is correct
8 Correct 10 ms 4188 KB Output is correct
9 Correct 9 ms 4188 KB Output is correct
10 Correct 7 ms 4184 KB Output is correct
11 Correct 6 ms 4180 KB Output is correct
12 Correct 7 ms 4188 KB Output is correct
13 Correct 7 ms 4188 KB Output is correct
14 Correct 8 ms 4564 KB Output is correct
15 Correct 9 ms 4336 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 476 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 9 ms 4188 KB Output is correct
23 Correct 6 ms 4184 KB Output is correct
24 Correct 8 ms 4348 KB Output is correct
25 Correct 7 ms 4188 KB Output is correct
26 Correct 10 ms 4188 KB Output is correct
27 Correct 7 ms 4188 KB Output is correct
28 Correct 10 ms 4188 KB Output is correct
29 Correct 9 ms 4188 KB Output is correct
30 Correct 7 ms 4184 KB Output is correct
31 Correct 6 ms 4180 KB Output is correct
32 Correct 7 ms 4188 KB Output is correct
33 Correct 7 ms 4188 KB Output is correct
34 Correct 8 ms 4564 KB Output is correct
35 Correct 9 ms 4336 KB Output is correct
36 Correct 139 ms 5204 KB Output is correct
37 Correct 237 ms 4688 KB Output is correct
38 Correct 285 ms 4532 KB Output is correct
39 Correct 59 ms 4988 KB Output is correct
40 Correct 289 ms 4692 KB Output is correct
41 Correct 563 ms 5476 KB Output is correct
42 Correct 737 ms 5204 KB Output is correct
43 Correct 380 ms 4712 KB Output is correct
44 Correct 423 ms 4692 KB Output is correct
45 Correct 168 ms 4948 KB Output is correct
46 Correct 201 ms 4832 KB Output is correct
47 Correct 298 ms 4648 KB Output is correct
48 Correct 143 ms 4556 KB Output is correct
49 Correct 463 ms 4468 KB Output is correct
50 Correct 243 ms 4952 KB Output is correct
51 Correct 1126 ms 4956 KB Output is correct
52 Correct 1270 ms 4956 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 4188 KB Output is correct
3 Correct 6 ms 4184 KB Output is correct
4 Correct 8 ms 4348 KB Output is correct
5 Correct 7 ms 4188 KB Output is correct
6 Correct 10 ms 4188 KB Output is correct
7 Correct 7 ms 4188 KB Output is correct
8 Correct 10 ms 4188 KB Output is correct
9 Correct 9 ms 4188 KB Output is correct
10 Correct 7 ms 4184 KB Output is correct
11 Correct 6 ms 4180 KB Output is correct
12 Correct 7 ms 4188 KB Output is correct
13 Correct 7 ms 4188 KB Output is correct
14 Correct 8 ms 4564 KB Output is correct
15 Correct 9 ms 4336 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4083 ms 5068 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 9 ms 4188 KB Output is correct
3 Correct 6 ms 4184 KB Output is correct
4 Correct 8 ms 4348 KB Output is correct
5 Correct 7 ms 4188 KB Output is correct
6 Correct 10 ms 4188 KB Output is correct
7 Correct 7 ms 4188 KB Output is correct
8 Correct 10 ms 4188 KB Output is correct
9 Correct 9 ms 4188 KB Output is correct
10 Correct 7 ms 4184 KB Output is correct
11 Correct 6 ms 4180 KB Output is correct
12 Correct 7 ms 4188 KB Output is correct
13 Correct 7 ms 4188 KB Output is correct
14 Correct 8 ms 4564 KB Output is correct
15 Correct 9 ms 4336 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4086 ms 5500 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 472 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 476 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 9 ms 4188 KB Output is correct
23 Correct 6 ms 4184 KB Output is correct
24 Correct 8 ms 4348 KB Output is correct
25 Correct 7 ms 4188 KB Output is correct
26 Correct 10 ms 4188 KB Output is correct
27 Correct 7 ms 4188 KB Output is correct
28 Correct 10 ms 4188 KB Output is correct
29 Correct 9 ms 4188 KB Output is correct
30 Correct 7 ms 4184 KB Output is correct
31 Correct 6 ms 4180 KB Output is correct
32 Correct 7 ms 4188 KB Output is correct
33 Correct 7 ms 4188 KB Output is correct
34 Correct 8 ms 4564 KB Output is correct
35 Correct 9 ms 4336 KB Output is correct
36 Correct 139 ms 5204 KB Output is correct
37 Correct 237 ms 4688 KB Output is correct
38 Correct 285 ms 4532 KB Output is correct
39 Correct 59 ms 4988 KB Output is correct
40 Correct 289 ms 4692 KB Output is correct
41 Correct 563 ms 5476 KB Output is correct
42 Correct 737 ms 5204 KB Output is correct
43 Correct 380 ms 4712 KB Output is correct
44 Correct 423 ms 4692 KB Output is correct
45 Correct 168 ms 4948 KB Output is correct
46 Correct 201 ms 4832 KB Output is correct
47 Correct 298 ms 4648 KB Output is correct
48 Correct 143 ms 4556 KB Output is correct
49 Correct 463 ms 4468 KB Output is correct
50 Correct 243 ms 4952 KB Output is correct
51 Correct 1126 ms 4956 KB Output is correct
52 Correct 1270 ms 4956 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Execution timed out 4083 ms 5068 KB Time limit exceeded
55 Halted 0 ms 0 KB -