oj.uz

답안 #1000556

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1000556 2024-06-17T17:34:59 Z edogawa_something Fish 2 (JOI22_fish2) C++17
13 / 100
 4000 ms 19288 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 ll M=1e5+10;
const ll inf=1e18;
ll n,a[M],q,ml[M],mr[M],pre[M],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 348 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 352 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 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 5 ms 588 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 532 KB Output is correct
17 Correct 2 ms 556 KB Output is correct
18 Correct 3 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 5 ms 476 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 35 ms 11612 KB Output is correct
3 Correct 25 ms 9568 KB Output is correct
4 Correct 35 ms 11612 KB Output is correct
5 Correct 25 ms 9700 KB Output is correct
6 Correct 59 ms 19284 KB Output is correct
7 Correct 25 ms 9308 KB Output is correct
8 Correct 58 ms 19284 KB Output is correct
9 Correct 24 ms 9300 KB Output is correct
10 Correct 32 ms 10844 KB Output is correct
11 Correct 21 ms 9308 KB Output is correct
12 Correct 31 ms 9296 KB Output is correct
13 Correct 34 ms 9308 KB Output is correct
14 Correct 37 ms 9556 KB Output is correct
15 Correct 34 ms 9564 KB Output is correct

Subtask #3
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 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 352 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 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 5 ms 588 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 532 KB Output is correct
17 Correct 2 ms 556 KB Output is correct
18 Correct 3 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 5 ms 476 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 35 ms 11612 KB Output is correct
23 Correct 25 ms 9568 KB Output is correct
24 Correct 35 ms 11612 KB Output is correct
25 Correct 25 ms 9700 KB Output is correct
26 Correct 59 ms 19284 KB Output is correct
27 Correct 25 ms 9308 KB Output is correct
28 Correct 58 ms 19284 KB Output is correct
29 Correct 24 ms 9300 KB Output is correct
30 Correct 32 ms 10844 KB Output is correct
31 Correct 21 ms 9308 KB Output is correct
32 Correct 31 ms 9296 KB Output is correct
33 Correct 34 ms 9308 KB Output is correct
34 Correct 37 ms 9556 KB Output is correct
35 Correct 34 ms 9564 KB Output is correct
36 Correct 740 ms 9688 KB Output is correct
37 Correct 1499 ms 9700 KB Output is correct
38 Correct 1811 ms 9816 KB Output is correct
39 Correct 329 ms 9556 KB Output is correct
40 Correct 1919 ms 9816 KB Output is correct
41 Correct 3549 ms 19288 KB Output is correct
42 Execution timed out 4074 ms 19288 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 35 ms 11612 KB Output is correct
3 Correct 25 ms 9568 KB Output is correct
4 Correct 35 ms 11612 KB Output is correct
5 Correct 25 ms 9700 KB Output is correct
6 Correct 59 ms 19284 KB Output is correct
7 Correct 25 ms 9308 KB Output is correct
8 Correct 58 ms 19284 KB Output is correct
9 Correct 24 ms 9300 KB Output is correct
10 Correct 32 ms 10844 KB Output is correct
11 Correct 21 ms 9308 KB Output is correct
12 Correct 31 ms 9296 KB Output is correct
13 Correct 34 ms 9308 KB Output is correct
14 Correct 37 ms 9556 KB Output is correct
15 Correct 34 ms 9564 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4088 ms 9768 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 35 ms 11612 KB Output is correct
3 Correct 25 ms 9568 KB Output is correct
4 Correct 35 ms 11612 KB Output is correct
5 Correct 25 ms 9700 KB Output is correct
6 Correct 59 ms 19284 KB Output is correct
7 Correct 25 ms 9308 KB Output is correct
8 Correct 58 ms 19284 KB Output is correct
9 Correct 24 ms 9300 KB Output is correct
10 Correct 32 ms 10844 KB Output is correct
11 Correct 21 ms 9308 KB Output is correct
12 Correct 31 ms 9296 KB Output is correct
13 Correct 34 ms 9308 KB Output is correct
14 Correct 37 ms 9556 KB Output is correct
15 Correct 34 ms 9564 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Execution timed out 4091 ms 12084 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 348 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 352 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 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 3 ms 620 KB Output is correct
11 Correct 5 ms 588 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 532 KB Output is correct
17 Correct 2 ms 556 KB Output is correct
18 Correct 3 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 5 ms 476 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 35 ms 11612 KB Output is correct
23 Correct 25 ms 9568 KB Output is correct
24 Correct 35 ms 11612 KB Output is correct
25 Correct 25 ms 9700 KB Output is correct
26 Correct 59 ms 19284 KB Output is correct
27 Correct 25 ms 9308 KB Output is correct
28 Correct 58 ms 19284 KB Output is correct
29 Correct 24 ms 9300 KB Output is correct
30 Correct 32 ms 10844 KB Output is correct
31 Correct 21 ms 9308 KB Output is correct
32 Correct 31 ms 9296 KB Output is correct
33 Correct 34 ms 9308 KB Output is correct
34 Correct 37 ms 9556 KB Output is correct
35 Correct 34 ms 9564 KB Output is correct
36 Correct 740 ms 9688 KB Output is correct
37 Correct 1499 ms 9700 KB Output is correct
38 Correct 1811 ms 9816 KB Output is correct
39 Correct 329 ms 9556 KB Output is correct
40 Correct 1919 ms 9816 KB Output is correct
41 Correct 3549 ms 19288 KB Output is correct
42 Execution timed out 4074 ms 19288 KB Time limit exceeded
43 Halted 0 ms 0 KB -