oj.uz

Submission #718838

# Submission time Handle Problem Language Result Execution time Memory
718838 2023-04-05T00:52:44 Z Ahmed57 Lightning Conductor (POI11_pio) C++14
91 / 100
 330 ms 13132 KB 
#include <bits/stdc++.h>

using namespace std;
long long dp[500001];
long long arr[500001];
void dc(int l,int r,int optl,int optr){
    if(l>r)return ;
    int mid = (l+r)/2;
    long long best = optl;
    for(int cut = optl;cut<=min(mid,optr);cut++){
        if(arr[best]+sqrt(abs(mid-best))<arr[cut]+sqrt(abs(mid-cut))){
            best = cut;
        }
    }
    dp[mid]=max(dp[mid],arr[best]+(int)ceil(sqrt(abs(mid-best))));
    int opt = best;
    dc(l,mid-1,optl,opt);
    dc(mid+1,r,opt,optr);
}
int main(){
    //ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    for(int i = 1;i<=n;i++){
        cin>>arr[i];
    }
    for(int i = 0;i<=n;i++)dp[i] = 0;
    dc(1,n,0,n-1);
    reverse(arr+1,arr+n+1);
    reverse(dp+1,dp+n+1);
    dc(1,n,0,n-1);
    reverse(dp+1,dp+n+1);
    reverse(arr+1,arr+n+1);
    for(int i = 1;i<=n;i++){
        cout<<dp[i]-arr[i]<<"\n";
    }
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 980 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 1508 KB Output is correct

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 1584 KB Output is correct
2 Incorrect 26 ms 1496 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 2208 KB Output is correct
2 Correct 71 ms 2140 KB Output is correct
3 Correct 50 ms 2768 KB Output is correct

Subtask #8
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 4884 KB Output is correct
2 Correct 143 ms 4760 KB Output is correct
3 Correct 121 ms 5412 KB Output is correct

Subtask #9
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 9240 KB Output is correct
2 Correct 231 ms 7276 KB Output is correct
3 Correct 191 ms 9240 KB Output is correct

Subtask #10
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 327 ms 13040 KB Output is correct
2 Correct 321 ms 10096 KB Output is correct
3 Correct 282 ms 13132 KB Output is correct

Subtask #11
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 330 ms 10604 KB Output is correct
2 Correct 314 ms 10096 KB Output is correct
3 Correct 270 ms 13132 KB Output is correct