Submission #85637

#	Time	Username	Problem	Language	Result	Execution time	Memory
85637		memetkagan44	Lightning Conductor (POI11_pio)	C++11	100 / 100	334 ms	33232 KiB

pio

#include<bits/stdc++.h>
using namespace std;
int n,ar[500005],res[500005];
void solve(int l,int r,int optl,int optr){
    if(l>r)
        return;
    int mid=(l+r)/2;
    int opt=optl;
    for(int i=optl;i<=min(optr,mid);i++)
        if(ar[i]+sqrt(abs(mid-i))>ar[opt]+sqrt(abs(mid-opt)))
            opt=i;
    res[mid]=max(res[mid],ar[opt]-ar[mid]+(int)ceil(sqrt(abs(mid-opt))));
    solve(l,mid-1,optl,opt);
    solve(mid+1,r,opt,optr);
}
int main(){
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        scanf("%d",&ar[i]);
    solve(1,n,1,n);
    reverse(ar+1,ar+n+1);
    reverse(res+1,res+n+1);
    solve(1,n,1,n);
    for(int i=n;i>=1;i--)
        printf("%d\n",res[i]);
    return 0;
}

Compilation message (stderr)

pio.cpp: In function 'int main()':
pio.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
pio.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&ar[i]);
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9
• Subtask 11: 10 / 10