Submission #2842344
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair #define int long long #define itr ::iterator typedef pair<int,int> pii; const int MAX=1e6; const int INF=1e18; int N,E,T,arr[MAX],dp[MAX],tot[MAX],pre[MAX],nxt[MAX]; /*int cal(int ind) { if(ind==N+1) return 0; if(dp[ind]!=-1) return dp[ind]; dp[ind]=INF; for(int A=ind;A<=N;A++) { if(ok[ind][A] and ok[ind][A+1]) continue; dp[ind]=min(dp[ind],pre[ind][A]+(arr[A+1]-arr[A])+cal(A+1)); } return dp[ind]; }*/ void solve() { dp[N]=T+E-arr[N]; tot[N]=3*arr[N]+T-arr[N]; for(int A=N-1;A>=1;A--) { dp[A]=pre[A]+arr[nxt[A]+1]-arr[nxt[A]]+dp[nxt[A]+1]; if(nxt[A]<N) dp[A]=min(dp[A],-3*arr[A]+tot[nxt[A]+1]); tot[A]=min(tot[A+1],3*arr[A]+arr[A+1]-arr[A]+dp[A+1]); } } signed main() { ios_base::sync_with_stdio(false); cin>>N>>E>>T; for(int A=1;A<=N;A++) cin>>arr[A]; for(int A=1;A<=N;A++) { int low=A,high=N,mid,res=A; while(low<=high) { mid=(low+high)/2; if(T-2*(arr[mid]-arr[A])>0) { res=mid; low=mid+1; } else high=mid-1; } nxt[A]=res; pre[A]=T-2*(arr[res]-arr[A])+3*(arr[res]-arr[A]); } solve(); cout<<arr[1]+dp[1]; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Shik and Game |
User | sirzaid |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1274 Byte |
Status | WA |
Exec Time | 19 ms |
Memory | 13312 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 600 | 0 / 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 | 3 ms | 8448 KB |
0_01.txt | AC | 2 ms | 8448 KB |
0_02.txt | AC | 3 ms | 8448 KB |
1_00.txt | WA | 3 ms | 8448 KB |
1_01.txt | WA | 3 ms | 8448 KB |
1_02.txt | WA | 3 ms | 8448 KB |
1_03.txt | WA | 3 ms | 8448 KB |
1_04.txt | WA | 3 ms | 8448 KB |
1_05.txt | WA | 3 ms | 8448 KB |
1_06.txt | WA | 3 ms | 8448 KB |
1_07.txt | WA | 3 ms | 8448 KB |
1_08.txt | WA | 3 ms | 8448 KB |
1_09.txt | WA | 3 ms | 8448 KB |
1_10.txt | WA | 3 ms | 8448 KB |
1_11.txt | WA | 3 ms | 8448 KB |
1_12.txt | WA | 3 ms | 8448 KB |
1_13.txt | WA | 3 ms | 8448 KB |
1_14.txt | WA | 3 ms | 8448 KB |
1_15.txt | WA | 3 ms | 8448 KB |
1_16.txt | WA | 3 ms | 8448 KB |
1_17.txt | WA | 3 ms | 8448 KB |
1_18.txt | WA | 3 ms | 8448 KB |
1_19.txt | WA | 3 ms | 8448 KB |
2_00.txt | WA | 16 ms | 13312 KB |
2_01.txt | WA | 16 ms | 13312 KB |
2_02.txt | WA | 16 ms | 13312 KB |
2_03.txt | WA | 16 ms | 13312 KB |
2_04.txt | WA | 16 ms | 13312 KB |
2_05.txt | WA | 15 ms | 13312 KB |
2_06.txt | WA | 16 ms | 13312 KB |
2_07.txt | WA | 16 ms | 13312 KB |
2_08.txt | WA | 16 ms | 13312 KB |
2_09.txt | WA | 16 ms | 13312 KB |
2_10.txt | WA | 17 ms | 13312 KB |
2_11.txt | WA | 17 ms | 13312 KB |
2_12.txt | WA | 16 ms | 13312 KB |
2_13.txt | WA | 17 ms | 13312 KB |
2_14.txt | WA | 17 ms | 13312 KB |
2_15.txt | WA | 17 ms | 13312 KB |
2_16.txt | WA | 17 ms | 13312 KB |
2_17.txt | WA | 17 ms | 13312 KB |
2_18.txt | WA | 17 ms | 13312 KB |
2_19.txt | WA | 17 ms | 13312 KB |
2_20.txt | WA | 17 ms | 13312 KB |
2_21.txt | WA | 17 ms | 13312 KB |
2_22.txt | WA | 18 ms | 13312 KB |
2_23.txt | WA | 18 ms | 13312 KB |
2_24.txt | WA | 18 ms | 13312 KB |
2_25.txt | WA | 18 ms | 13312 KB |
2_26.txt | WA | 18 ms | 13312 KB |
2_27.txt | WA | 18 ms | 13312 KB |
2_28.txt | WA | 18 ms | 13312 KB |
2_29.txt | WA | 18 ms | 13312 KB |
2_30.txt | WA | 18 ms | 13312 KB |
2_31.txt | WA | 18 ms | 13312 KB |
2_32.txt | WA | 19 ms | 13312 KB |
2_33.txt | WA | 18 ms | 13312 KB |
2_34.txt | WA | 18 ms | 13312 KB |
2_35.txt | WA | 19 ms | 13312 KB |
2_36.txt | WA | 18 ms | 13312 KB |
2_37.txt | WA | 18 ms | 13312 KB |
2_38.txt | WA | 19 ms | 13312 KB |
2_39.txt | WA | 19 ms | 13312 KB |
2_40.txt | WA | 18 ms | 13312 KB |