Submission #1690242
Source Code Expand
#include <bits/stdc++.h> #define ll long long #define fi first #define sec second using namespace std; const int MAXN=1e5+100; const ll INF=2e18; ll x[MAXN],dp[MAXN],dp2[MAXN]; int main() { // cout << "HI" <<endl; ll n,E,T; cin>>n>>E>>T; x[0]=0; for(int i=1;i<=n;i++){ cin>>x[i]; x[i]*=2; dp[i]=INF; } E*=2; dp[0]=0; dp2[0]=-x[1]*2; for(int i=1;i<=n;i++){ int j=lower_bound(x+1,x+n+1,(x[i]-T))-x; if(x[j]>x[i]-T&&j){ j--; } dp[i]=dp[j]+T*2; if(j>0){ dp[i]=min(dp[i],dp2[j-1]+x[i]*2); } dp2[i]=min(dp2[i-1],dp[i]-x[i+1]*2); // cout<<i<<' '<<dp[i]<<' '<<dp2[i]<<' '<<j<<endl; } cout<<(dp[n]+E)/2<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Shik and Game |
User | X_emad_X |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 831 Byte |
Status | AC |
Exec Time | 49 ms |
Memory | 2560 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | 600 / 600 | ||||||
Status |
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Set Name | Test Cases |
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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 | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 2 ms | 256 KB |
1_01.txt | AC | 2 ms | 256 KB |
1_02.txt | AC | 2 ms | 256 KB |
1_03.txt | AC | 2 ms | 256 KB |
1_04.txt | AC | 2 ms | 256 KB |
1_05.txt | AC | 2 ms | 256 KB |
1_06.txt | AC | 2 ms | 256 KB |
1_07.txt | AC | 2 ms | 256 KB |
1_08.txt | AC | 2 ms | 256 KB |
1_09.txt | AC | 2 ms | 256 KB |
1_10.txt | AC | 2 ms | 256 KB |
1_11.txt | AC | 2 ms | 256 KB |
1_12.txt | AC | 2 ms | 256 KB |
1_13.txt | AC | 2 ms | 256 KB |
1_14.txt | AC | 2 ms | 256 KB |
1_15.txt | AC | 2 ms | 256 KB |
1_16.txt | AC | 2 ms | 256 KB |
1_17.txt | AC | 2 ms | 256 KB |
1_18.txt | AC | 2 ms | 256 KB |
1_19.txt | AC | 2 ms | 256 KB |
2_00.txt | AC | 39 ms | 2560 KB |
2_01.txt | AC | 39 ms | 2560 KB |
2_02.txt | AC | 39 ms | 2560 KB |
2_03.txt | AC | 40 ms | 2560 KB |
2_04.txt | AC | 40 ms | 2560 KB |
2_05.txt | AC | 39 ms | 2560 KB |
2_06.txt | AC | 39 ms | 2560 KB |
2_07.txt | AC | 39 ms | 2560 KB |
2_08.txt | AC | 39 ms | 2560 KB |
2_09.txt | AC | 39 ms | 2560 KB |
2_10.txt | AC | 46 ms | 2560 KB |
2_11.txt | AC | 47 ms | 2560 KB |
2_12.txt | AC | 46 ms | 2560 KB |
2_13.txt | AC | 47 ms | 2560 KB |
2_14.txt | AC | 46 ms | 2560 KB |
2_15.txt | AC | 47 ms | 2560 KB |
2_16.txt | AC | 49 ms | 2560 KB |
2_17.txt | AC | 47 ms | 2560 KB |
2_18.txt | AC | 46 ms | 2560 KB |
2_19.txt | AC | 46 ms | 2560 KB |
2_20.txt | AC | 46 ms | 2560 KB |
2_21.txt | AC | 46 ms | 2560 KB |
2_22.txt | AC | 46 ms | 2560 KB |
2_23.txt | AC | 46 ms | 2560 KB |
2_24.txt | AC | 46 ms | 2560 KB |
2_25.txt | AC | 46 ms | 2560 KB |
2_26.txt | AC | 46 ms | 2560 KB |
2_27.txt | AC | 46 ms | 2560 KB |
2_28.txt | AC | 46 ms | 2560 KB |
2_29.txt | AC | 46 ms | 2560 KB |
2_30.txt | AC | 46 ms | 2560 KB |
2_31.txt | AC | 46 ms | 2560 KB |
2_32.txt | AC | 46 ms | 2560 KB |
2_33.txt | AC | 46 ms | 2560 KB |
2_34.txt | AC | 46 ms | 2560 KB |
2_35.txt | AC | 46 ms | 2560 KB |
2_36.txt | AC | 46 ms | 2560 KB |
2_37.txt | AC | 46 ms | 2560 KB |
2_38.txt | AC | 45 ms | 2560 KB |
2_39.txt | AC | 49 ms | 2560 KB |
2_40.txt | AC | 45 ms | 2560 KB |