oj.uz

답안 #939617

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
939617 2024-03-06T15:13:59 Z andrei_boaca Fish 2 (JOI22_fish2) C++17
25 / 100
 1752 ms 3772 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll n,v[100005],q,s[100005],mars[100005];
int solve(int l,int r)
{
    s[l-1]=0;
    mars[l-1]=0;
    for(int i=l;i<=r;i++)
    {
        s[i]=s[i-1]+v[i];
        mars[i]=0;
    }
    stack<int> coada;
    for(int i=l;i<=r;i++)
    {
        while(!coada.empty()&&v[coada.top()]<v[i])
            coada.pop();
        int st=l-1;
        if(!coada.empty())
            st=coada.top();
        if(s[i-1]-s[st]<v[i])
        {
            mars[st+1]++;
            mars[i]--;
        }
        coada.push(i);
    }
    while(!coada.empty())
        coada.pop();
    for(int i=r;i>=l;i--)
    {
        while(!coada.empty()&&v[coada.top()]<v[i])
            coada.pop();
        int dr=r+1;
        if(!coada.empty())
            dr=coada.top();
        if(s[dr-1]-s[i]<v[i])
        {
            mars[i+1]++;
            mars[dr]--;
        }
        coada.push(i);
    }
    int ans=0;
    for(int i=l;i<=r;i++)
    {
        mars[i]+=mars[i-1];
        if(mars[i]==0)
            ans++;
    }
    return ans;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>v[i];
    cin>>q;
    if(q<=1000)
    {
        while(q--)
        {
            int tip;
            cin>>tip;
            if(tip==1)
            {
                int poz,val;
                cin>>poz>>val;
                v[poz]=val;
            }
            else
            {
                int l,r;
                cin>>l>>r;
                cout<<solve(l,r)<<'\n';
            }
        }
        return 0;
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 3 ms 2524 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 3 ms 2648 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 3 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 2 ms 2396 KB Output is correct
16 Correct 2 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 2 ms 2392 KB Output is correct
19 Correct 2 ms 2536 KB Output is correct
20 Correct 4 ms 2396 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 8 ms 3164 KB Output is correct
3 Correct 9 ms 3100 KB Output is correct
4 Correct 9 ms 3164 KB Output is correct
5 Correct 8 ms 2908 KB Output is correct
6 Correct 11 ms 3552 KB Output is correct
7 Correct 7 ms 2888 KB Output is correct
8 Correct 13 ms 3676 KB Output is correct
9 Correct 7 ms 2876 KB Output is correct
10 Correct 9 ms 3160 KB Output is correct
11 Correct 7 ms 2908 KB Output is correct
12 Correct 8 ms 2908 KB Output is correct
13 Correct 10 ms 2908 KB Output is correct
14 Correct 10 ms 3416 KB Output is correct
15 Correct 10 ms 3656 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 3 ms 2524 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 3 ms 2648 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 3 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 2 ms 2396 KB Output is correct
16 Correct 2 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 2 ms 2392 KB Output is correct
19 Correct 2 ms 2536 KB Output is correct
20 Correct 4 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 8 ms 3164 KB Output is correct
23 Correct 9 ms 3100 KB Output is correct
24 Correct 9 ms 3164 KB Output is correct
25 Correct 8 ms 2908 KB Output is correct
26 Correct 11 ms 3552 KB Output is correct
27 Correct 7 ms 2888 KB Output is correct
28 Correct 13 ms 3676 KB Output is correct
29 Correct 7 ms 2876 KB Output is correct
30 Correct 9 ms 3160 KB Output is correct
31 Correct 7 ms 2908 KB Output is correct
32 Correct 8 ms 2908 KB Output is correct
33 Correct 10 ms 2908 KB Output is correct
34 Correct 10 ms 3416 KB Output is correct
35 Correct 10 ms 3656 KB Output is correct
36 Correct 218 ms 3396 KB Output is correct
37 Correct 364 ms 2904 KB Output is correct
38 Correct 426 ms 3416 KB Output is correct
39 Correct 90 ms 3160 KB Output is correct
40 Correct 481 ms 2908 KB Output is correct
41 Correct 648 ms 3772 KB Output is correct
42 Correct 814 ms 3768 KB Output is correct
43 Correct 646 ms 3004 KB Output is correct
44 Correct 806 ms 3160 KB Output is correct
45 Correct 239 ms 3372 KB Output is correct
46 Correct 349 ms 3164 KB Output is correct
47 Correct 507 ms 3156 KB Output is correct
48 Correct 244 ms 3048 KB Output is correct
49 Correct 844 ms 3056 KB Output is correct
50 Correct 363 ms 3660 KB Output is correct
51 Correct 1736 ms 3672 KB Output is correct
52 Correct 1752 ms 3420 KB Output is correct

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 8 ms 3164 KB Output is correct
3 Correct 9 ms 3100 KB Output is correct
4 Correct 9 ms 3164 KB Output is correct
5 Correct 8 ms 2908 KB Output is correct
6 Correct 11 ms 3552 KB Output is correct
7 Correct 7 ms 2888 KB Output is correct
8 Correct 13 ms 3676 KB Output is correct
9 Correct 7 ms 2876 KB Output is correct
10 Correct 9 ms 3160 KB Output is correct
11 Correct 7 ms 2908 KB Output is correct
12 Correct 8 ms 2908 KB Output is correct
13 Correct 10 ms 2908 KB Output is correct
14 Correct 10 ms 3416 KB Output is correct
15 Correct 10 ms 3656 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Incorrect 5 ms 3160 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 8 ms 3164 KB Output is correct
3 Correct 9 ms 3100 KB Output is correct
4 Correct 9 ms 3164 KB Output is correct
5 Correct 8 ms 2908 KB Output is correct
6 Correct 11 ms 3552 KB Output is correct
7 Correct 7 ms 2888 KB Output is correct
8 Correct 13 ms 3676 KB Output is correct
9 Correct 7 ms 2876 KB Output is correct
10 Correct 9 ms 3160 KB Output is correct
11 Correct 7 ms 2908 KB Output is correct
12 Correct 8 ms 2908 KB Output is correct
13 Correct 10 ms 2908 KB Output is correct
14 Correct 10 ms 3416 KB Output is correct
15 Correct 10 ms 3656 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Incorrect 7 ms 3136 KB Output isn't correct
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 3 ms 2524 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 3 ms 2648 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 3 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 2 ms 2396 KB Output is correct
16 Correct 2 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 2 ms 2392 KB Output is correct
19 Correct 2 ms 2536 KB Output is correct
20 Correct 4 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 8 ms 3164 KB Output is correct
23 Correct 9 ms 3100 KB Output is correct
24 Correct 9 ms 3164 KB Output is correct
25 Correct 8 ms 2908 KB Output is correct
26 Correct 11 ms 3552 KB Output is correct
27 Correct 7 ms 2888 KB Output is correct
28 Correct 13 ms 3676 KB Output is correct
29 Correct 7 ms 2876 KB Output is correct
30 Correct 9 ms 3160 KB Output is correct
31 Correct 7 ms 2908 KB Output is correct
32 Correct 8 ms 2908 KB Output is correct
33 Correct 10 ms 2908 KB Output is correct
34 Correct 10 ms 3416 KB Output is correct
35 Correct 10 ms 3656 KB Output is correct
36 Correct 218 ms 3396 KB Output is correct
37 Correct 364 ms 2904 KB Output is correct
38 Correct 426 ms 3416 KB Output is correct
39 Correct 90 ms 3160 KB Output is correct
40 Correct 481 ms 2908 KB Output is correct
41 Correct 648 ms 3772 KB Output is correct
42 Correct 814 ms 3768 KB Output is correct
43 Correct 646 ms 3004 KB Output is correct
44 Correct 806 ms 3160 KB Output is correct
45 Correct 239 ms 3372 KB Output is correct
46 Correct 349 ms 3164 KB Output is correct
47 Correct 507 ms 3156 KB Output is correct
48 Correct 244 ms 3048 KB Output is correct
49 Correct 844 ms 3056 KB Output is correct
50 Correct 363 ms 3660 KB Output is correct
51 Correct 1736 ms 3672 KB Output is correct
52 Correct 1752 ms 3420 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Incorrect 5 ms 3160 KB Output isn't correct
55 Halted 0 ms 0 KB -