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 |
|
|
|
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 |