oj.uz

답안 #1000557

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1000557 2024-06-17T17:38:38 Z edogawa_something Fish 2 (JOI22_fish2) C++17
13 / 100
 4000 ms 17580 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vii;
typedef pair<ll,ll> pii;
#define F first 
#define S second 
#define all(v) v.begin(),v.end()
#define pb push_back
const int M=1e5+10;
const int inf=1e9+10;
int n,a[M],q,ml[M],mr[M];
ll pre[M];
bool ans[M];
map<int,set<int>>s;
int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin>>n;
    for(int i=0;i<n;i++)
    cin>>a[i],s[a[i]].insert(i);
    ll q;
    cin>>q;
    while(q--){
    ll type;
    cin>>type;
    if(type==1){
    ll x,y;
    cin>>x>>y;
    x--;
    s[a[x]].erase(x);
    a[x]=y;
    s[a[x]].insert(x);
    continue;
    }
    ll l,r;
    cin>>l>>r;
    l--,r--;
    vector<int>v;
    for(int i=l;i<=r;i++){
      ml[i]=mr[i]=inf;
    }
    for(int i=l;i<=r;i++){
      while(v.size()>0&&a[i]>=a[v.back()])
      v.pop_back();
      if(v.size()>0)
      ml[i]=v.back();
      v.pb(i);
    }
    v.clear();
    for(int i=r;i>=l;i--){
      while(v.size()>0&&a[i]>=a[v.back()])
      v.pop_back();
      if(v.size()>0)
      mr[i]=v.back();
      v.pb(i);
    }
    pre[l]=0;
    for(int i=l;i<=r;i++)
    pre[i+1]=a[i]+pre[i],ans[i]=0;
    ll res=0;
    for(auto it=s.rbegin();it!=s.rend();it++){
      for(auto itt:it->S){
        if(itt>=l&&itt<=r){
        if(ml[itt]==mr[itt]&&ml[itt]==inf){
        ans[itt]=1,res++;
        continue;
        }
        if(ml[itt]==inf)
        ml[itt]=l-1;
        if(mr[itt]==inf)
        mr[itt]=r+1;
        if(ml[itt]>=l&&ans[ml[itt]])
        ans[itt]|=((pre[mr[itt]]-pre[ml[itt]+1])>=a[ml[itt]]);
        if(mr[itt]<=r&&ans[mr[itt]]){
        ans[itt]|=((pre[mr[itt]]-pre[ml[itt]+1])>=a[mr[itt]]);
        }
        res+=ans[itt];
        }
      }
    }
    cout<<res<<'\n';  
  }
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 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 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 524 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 3 ms 352 KB Output is correct
11 Correct 7 ms 348 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 352 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 352 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 9824 KB Output is correct
3 Correct 22 ms 7776 KB Output is correct
4 Correct 43 ms 9812 KB Output is correct
5 Correct 23 ms 8016 KB Output is correct
6 Correct 54 ms 17484 KB Output is correct
7 Correct 21 ms 7252 KB Output is correct
8 Correct 56 ms 17488 KB Output is correct
9 Correct 25 ms 7248 KB Output is correct
10 Correct 33 ms 9020 KB Output is correct
11 Correct 17 ms 7532 KB Output is correct
12 Correct 25 ms 7448 KB Output is correct
13 Correct 25 ms 7248 KB Output is correct
14 Correct 26 ms 7588 KB Output is correct
15 Correct 27 ms 7764 KB Output is correct

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 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 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 524 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 3 ms 352 KB Output is correct
11 Correct 7 ms 348 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 352 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 352 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 33 ms 9824 KB Output is correct
23 Correct 22 ms 7776 KB Output is correct
24 Correct 43 ms 9812 KB Output is correct
25 Correct 23 ms 8016 KB Output is correct
26 Correct 54 ms 17484 KB Output is correct
27 Correct 21 ms 7252 KB Output is correct
28 Correct 56 ms 17488 KB Output is correct
29 Correct 25 ms 7248 KB Output is correct
30 Correct 33 ms 9020 KB Output is correct
31 Correct 17 ms 7532 KB Output is correct
32 Correct 25 ms 7448 KB Output is correct
33 Correct 25 ms 7248 KB Output is correct
34 Correct 26 ms 7588 KB Output is correct
35 Correct 27 ms 7764 KB Output is correct
36 Correct 721 ms 7792 KB Output is correct
37 Correct 1419 ms 7916 KB Output is correct
38 Correct 1909 ms 7760 KB Output is correct
39 Correct 313 ms 7760 KB Output is correct
40 Correct 1965 ms 8016 KB Output is correct
41 Correct 3683 ms 17580 KB Output is correct
42 Execution timed out 4064 ms 17532 KB Time limit exceeded
43 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 9824 KB Output is correct
3 Correct 22 ms 7776 KB Output is correct
4 Correct 43 ms 9812 KB Output is correct
5 Correct 23 ms 8016 KB Output is correct
6 Correct 54 ms 17484 KB Output is correct
7 Correct 21 ms 7252 KB Output is correct
8 Correct 56 ms 17488 KB Output is correct
9 Correct 25 ms 7248 KB Output is correct
10 Correct 33 ms 9020 KB Output is correct
11 Correct 17 ms 7532 KB Output is correct
12 Correct 25 ms 7448 KB Output is correct
13 Correct 25 ms 7248 KB Output is correct
14 Correct 26 ms 7588 KB Output is correct
15 Correct 27 ms 7764 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4083 ms 8356 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 9824 KB Output is correct
3 Correct 22 ms 7776 KB Output is correct
4 Correct 43 ms 9812 KB Output is correct
5 Correct 23 ms 8016 KB Output is correct
6 Correct 54 ms 17484 KB Output is correct
7 Correct 21 ms 7252 KB Output is correct
8 Correct 56 ms 17488 KB Output is correct
9 Correct 25 ms 7248 KB Output is correct
10 Correct 33 ms 9020 KB Output is correct
11 Correct 17 ms 7532 KB Output is correct
12 Correct 25 ms 7448 KB Output is correct
13 Correct 25 ms 7248 KB Output is correct
14 Correct 26 ms 7588 KB Output is correct
15 Correct 27 ms 7764 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4081 ms 10012 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 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 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 524 KB Output is correct
9 Correct 3 ms 348 KB Output is correct
10 Correct 3 ms 352 KB Output is correct
11 Correct 7 ms 348 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 2 ms 476 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 2 ms 352 KB Output is correct
18 Correct 3 ms 344 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 3 ms 352 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 33 ms 9824 KB Output is correct
23 Correct 22 ms 7776 KB Output is correct
24 Correct 43 ms 9812 KB Output is correct
25 Correct 23 ms 8016 KB Output is correct
26 Correct 54 ms 17484 KB Output is correct
27 Correct 21 ms 7252 KB Output is correct
28 Correct 56 ms 17488 KB Output is correct
29 Correct 25 ms 7248 KB Output is correct
30 Correct 33 ms 9020 KB Output is correct
31 Correct 17 ms 7532 KB Output is correct
32 Correct 25 ms 7448 KB Output is correct
33 Correct 25 ms 7248 KB Output is correct
34 Correct 26 ms 7588 KB Output is correct
35 Correct 27 ms 7764 KB Output is correct
36 Correct 721 ms 7792 KB Output is correct
37 Correct 1419 ms 7916 KB Output is correct
38 Correct 1909 ms 7760 KB Output is correct
39 Correct 313 ms 7760 KB Output is correct
40 Correct 1965 ms 8016 KB Output is correct
41 Correct 3683 ms 17580 KB Output is correct
42 Execution timed out 4064 ms 17532 KB Time limit exceeded
43 Halted 0 ms 0 KB -