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Submission #867853

# Submission time Handle Problem Language Result Execution time Memory
867853 2023-10-29T15:51:14 Z ttamx Lightning Conductor (POI11_pio) C++14
27 / 100
 211 ms 9144 KB 
#include<bits/stdc++.h>

using namespace std;

typedef pair<int,int> p2;

const int N=5e5+5;
const int inf=1e9;

int n;
int h[N],dp[N];

void solvel(int l,int r,int optl,int optr){
    if(l>r)return;
    int mid=(l+r)/2;
    p2 res(-inf,-1);
    for(int i=optl;i<=min(mid,optr);i++)res=max(res,p2(h[i]+ceil(sqrt(mid-i))-h[mid],i));
    dp[mid]=max(dp[mid],res.first);
    int opt=res.second;
    solvel(l,mid-1,optl,opt);
    solvel(mid+1,r,opt,optr);
}

void solver(int l,int r,int optl,int optr){
    if(l>r)return;
    int mid=(l+r)/2;
    p2 res(-inf,-1);
    for(int i=max(mid,optl);i<=optr;i++)res=max(res,p2(h[i]+ceil(sqrt(i-mid))-h[mid],i));
    dp[mid]=max(dp[mid],res.first);
    int opt=res.second;
    solver(l,mid-1,optl,opt);
    solver(mid+1,r,opt,optr);
}

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n;
    for(int i=1;i<=n;i++)cin >> h[i];
    solvel(1,n,1,n);
    solver(1,n,1,n);
    for(int i=1;i<=n;i++)cout << dp[i] << "\n"; 
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2392 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 2908 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 3052 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 2908 KB Output is correct
2 Incorrect 17 ms 2908 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 3180 KB Output is correct
2 Incorrect 37 ms 3152 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 4180 KB Output is correct
2 Incorrect 88 ms 4364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #9
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 7096 KB Output is correct
2 Incorrect 147 ms 5052 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #10
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 161 ms 9144 KB Output is correct
2 Incorrect 211 ms 6396 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 158 ms 6736 KB Output isn't correct
2 Halted 0 ms 0 KB -