Submission #44205

#	Time	Username	Problem	Language	Result	Execution time	Memory
44205		imaxblue	Lightning Conductor (POI11_pio)	C++17	100 / 100	962 ms	9516 KiB

pio

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define mp make_pair
#define pb push_back
#define x first
#define y second
#define pii pair<int, int>
#define p3i pair<pii, int>
#define pll pair<ll, ll>
#define p3l pair<pll, ll>
#define lseg L, (L+R)/2, N*2+1
#define rseg (L+R)/2+1, R, N*2+2
#define ub upper_bound
#define lb lower_bound
#define pq priority_queue
#define MN 1000000007
#define fox(k, x) for (int k=0; k<x; ++k)
#define fox1(k, x) for (int k=1; k<=x; ++k)
#define foxr(k, x) for (int k=x-1; k>=0; --k)
#define fox1r(k, x) for (int k=x; k>0; --k)
#define ms multiset
#define flood(x) memset(x, 0x3f3f3f3f, sizeof x)
#define drain(x) memset(x, 0, sizeof x)
#define rng() ((rand() << 14)+rand())
#define scan(X) do{while((X=getchar_unlocked())<'0'); for(X-='0'; '0'<=(_=getchar_unlocked()); X=(X<<3)+(X<<1)+_-'0');}while(0)
char _;
#define pi 3.14159265358979323846

int n, a[500005], hi[500005], best, l2, l3, l4;
int main(){
    scan(n);
    fox(l, n){
        scan(a[l]);
        //a[l]=l;
        best=max(best, a[l]);
        for(l2=1, l3=l-1, l4=1; l3>=0; l3-=l2, l2+=2, l4++){
            best=max(a[l3]+l4, best);
        }
        hi[l]=best;
    }
    best=0;
    foxr(l, n){
        best=max(best, a[l]);
        for(l2=1, l3=l+1, l4=1; l3<n; l3+=l2, l2+=2, l4++){
            best=max(a[l3]+l4, best);
        }
        hi[l]=max(hi[l], best);
    }
    fox(l, n){
        printf("%i\n", hi[l]-a[l]);
    }
    return 0;
}

• 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