Submission #1690190


Source Code Expand

//InTheNameOfGod
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,j,k) for(int i=j;i<k;++i)
#define rrep(i,j,k) for(int i=j;i>=k;i--)
#define pb push_back
#define int ll
const int maxn =2e5;
int n,e,t,dp[maxn],x[maxn],bt[4*maxn];
void up(int u,int l,int r,int x,int y)
{
	if(r-l==1)
	{
		bt[u]=y;
		return ;
	}
	int md=(l+r)>>1;
	if(x<md)up(2*u,l,md,x,y);
	else up(2*u+1,md,r,x,y);
	bt[u]=min(bt[2*u],bt[2*u+1]);
}
int query(int u,int l,int r,int f,int s)
{
	if(l>=s||f>=r)return 1e18;
	if(f<=l&&r<=s)
	{
		return bt[u];
	}
	int md=(l+r)>>1;
	return min(query(2*u,l,md,f,s),query(2*u+1,md,r,f,s));
}
main()
{
    ios_base::sync_with_stdio(false);cin.tie(0);
    cin>>n>>e>>t;
    rep(i,0,n)cin>>x[i];
    int v=0;
    while(v<n&&x[v]-x[0]<(t+1)/2)v++;
    if(v==n)
    {
    	cout<<t+e;
    	exit(0);
    }
    int g=0;
    up(1,0,n,0,-2*x[0]);
    rep(j,1,v)
    {
        if(x[v]-x[j]>=(t+1)/2)up(1,0,n,j,-2*x[j]+t);
        else
        {
            up(1,0,n,j,2*t);
            break;
        }
    }
    rep(i,v,n)
    {
        while(x[i]-x[g+1]>=(t+1)/2)g++;
    	dp[i]=2*x[i]+query(1,0,n,0,g+1);
    	up(1,0,n,i,dp[i-1]-2*x[i]);
    	if(g>=v)dp[i]=min(dp[i],dp[g]+t);
        else dp[i]=min(dp[i],2*t);
    }
    cout<<dp[n-1]+e;
}

Submission Info

Submission Time
Task D - Shik and Game
User OPG
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1337 Byte
Status WA
Exec Time 37 ms
Memory 6784 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 0 / 600 0 / 600
Status
AC × 3
AC × 9
WA × 14
AC × 26
WA × 38
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
Subtask1 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt, 2_16.txt, 2_17.txt, 2_18.txt, 2_19.txt, 2_20.txt, 2_21.txt, 2_22.txt, 2_23.txt, 2_24.txt, 2_25.txt, 2_26.txt, 2_27.txt, 2_28.txt, 2_29.txt, 2_30.txt, 2_31.txt, 2_32.txt, 2_33.txt, 2_34.txt, 2_35.txt, 2_36.txt, 2_37.txt, 2_38.txt, 2_39.txt, 2_40.txt
Case Name Status Exec Time Memory
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
1_00.txt WA 2 ms 2304 KB
1_01.txt WA 2 ms 2304 KB
1_02.txt AC 2 ms 2304 KB
1_03.txt WA 2 ms 2304 KB
1_04.txt WA 2 ms 2304 KB
1_05.txt WA 2 ms 2304 KB
1_06.txt WA 2 ms 2304 KB
1_07.txt WA 2 ms 2304 KB
1_08.txt AC 2 ms 2304 KB
1_09.txt WA 2 ms 2304 KB
1_10.txt WA 2 ms 2304 KB
1_11.txt AC 2 ms 2304 KB
1_12.txt WA 2 ms 2304 KB
1_13.txt WA 2 ms 2304 KB
1_14.txt AC 2 ms 2304 KB
1_15.txt WA 2 ms 2304 KB
1_16.txt AC 2 ms 2304 KB
1_17.txt WA 2 ms 2304 KB
1_18.txt WA 2 ms 2304 KB
1_19.txt AC 2 ms 2304 KB
2_00.txt WA 36 ms 6784 KB
2_01.txt AC 35 ms 6784 KB
2_02.txt AC 35 ms 6784 KB
2_03.txt AC 36 ms 6784 KB
2_04.txt AC 36 ms 6784 KB
2_05.txt AC 35 ms 6784 KB
2_06.txt AC 35 ms 6784 KB
2_07.txt AC 37 ms 6784 KB
2_08.txt WA 36 ms 6784 KB
2_09.txt AC 36 ms 6784 KB
2_10.txt AC 36 ms 6784 KB
2_11.txt AC 36 ms 6784 KB
2_12.txt AC 36 ms 6784 KB
2_13.txt AC 36 ms 6784 KB
2_14.txt AC 36 ms 6784 KB
2_15.txt AC 37 ms 6784 KB
2_16.txt AC 37 ms 6784 KB
2_17.txt AC 37 ms 6784 KB
2_18.txt AC 36 ms 6784 KB
2_19.txt WA 37 ms 6784 KB
2_20.txt WA 36 ms 6784 KB
2_21.txt WA 37 ms 6784 KB
2_22.txt WA 36 ms 6784 KB
2_23.txt WA 36 ms 6784 KB
2_24.txt WA 37 ms 6784 KB
2_25.txt WA 36 ms 6784 KB
2_26.txt WA 36 ms 6784 KB
2_27.txt WA 37 ms 6784 KB
2_28.txt WA 37 ms 6784 KB
2_29.txt WA 35 ms 6784 KB
2_30.txt WA 36 ms 6784 KB
2_31.txt WA 36 ms 6784 KB
2_32.txt WA 36 ms 6784 KB
2_33.txt WA 35 ms 6784 KB
2_34.txt WA 35 ms 6656 KB
2_35.txt WA 34 ms 6656 KB
2_36.txt WA 34 ms 6528 KB
2_37.txt WA 33 ms 6528 KB
2_38.txt WA 31 ms 6400 KB
2_39.txt WA 29 ms 6144 KB
2_40.txt WA 25 ms 6016 KB