Submission #1690201
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define int long long const int MAXN = 1e5 + 10; const int INF = 2e9; int dp[MAXN], seg[4 * MAXN], x[MAXN]; void _set(int v, int l, int r, int p, int x) { if (r - l == 1) { seg[v] = x; return; } int mid = (r + l) / 2; if (p < mid) _set(2 * v, l, mid, p, x); else _set(2 * v + 1, mid, r, p, x); seg[v] = min(seg[2 * v], seg[2 * v + 1]); } int query(int v, int l, int r, int s, int t) { if (s <= l && r <= t) return seg[v]; int mid = (l + r) / 2, res = INF; if (s < mid) res = min(res, query(2 * v, l, mid, s, t)); if (t > mid) res = min(res, query(2 * v + 1, mid, r, s, t)); return res; } int lower(int val, int s, int t) { if (t - s == 1) return s; int mid = (s + t) / 2; if (x[mid-1] >= val) return lower(val, s, mid); else return lower(val, mid, t); } main() { int N, T, E; cin >> N >> E >> T; T *= 2; for (int i = 0; i < N; i ++) cin >> x[i], x[i] *= 2; for (int i = 0; i < N; i ++) { int last = lower(x[i] - T/2, 0, N); if (last <= 1) { dp[i] = (last?2 * x[i] - 2 * x[0] : T); if(last)dp[i] = min(dp[i], dp[last - 1] + T); _set(1, 0, N, i, dp[i] - 2 * x[i+1]); continue; } dp[i] = query(1, 0, N, 0, last-1) + 2 * x[i]; dp[i] = min(dp[i], dp[last- 1] + T); dp[i] = min(dp[i], 2 * (x[i] - x[0])); _set(1, 0, N, i, dp[i] - 2 * x[i+1]); } cout << dp[N -1]/2 + E << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Shik and Game |
User | arma |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 1511 Byte |
Status | AC |
Exec Time | 71 ms |
Memory | 4992 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 | 2 ms | 2304 KB |
0_01.txt | AC | 2 ms | 2304 KB |
0_02.txt | AC | 2 ms | 2304 KB |
1_00.txt | AC | 3 ms | 2304 KB |
1_01.txt | AC | 2 ms | 2304 KB |
1_02.txt | AC | 2 ms | 2304 KB |
1_03.txt | AC | 2 ms | 2304 KB |
1_04.txt | AC | 2 ms | 2304 KB |
1_05.txt | AC | 2 ms | 2304 KB |
1_06.txt | AC | 2 ms | 2304 KB |
1_07.txt | AC | 2 ms | 2304 KB |
1_08.txt | AC | 2 ms | 2304 KB |
1_09.txt | AC | 2 ms | 2304 KB |
1_10.txt | AC | 2 ms | 2304 KB |
1_11.txt | AC | 2 ms | 2304 KB |
1_12.txt | AC | 2 ms | 2304 KB |
1_13.txt | AC | 3 ms | 2304 KB |
1_14.txt | AC | 2 ms | 2304 KB |
1_15.txt | AC | 2 ms | 2304 KB |
1_16.txt | AC | 2 ms | 2304 KB |
1_17.txt | AC | 2 ms | 2304 KB |
1_18.txt | AC | 2 ms | 2304 KB |
1_19.txt | AC | 2 ms | 2304 KB |
2_00.txt | AC | 63 ms | 4992 KB |
2_01.txt | AC | 63 ms | 4992 KB |
2_02.txt | AC | 63 ms | 4992 KB |
2_03.txt | AC | 63 ms | 4992 KB |
2_04.txt | AC | 63 ms | 4992 KB |
2_05.txt | AC | 63 ms | 4992 KB |
2_06.txt | AC | 63 ms | 4992 KB |
2_07.txt | AC | 63 ms | 4992 KB |
2_08.txt | AC | 63 ms | 4992 KB |
2_09.txt | AC | 63 ms | 4992 KB |
2_10.txt | AC | 71 ms | 4992 KB |
2_11.txt | AC | 70 ms | 4992 KB |
2_12.txt | AC | 71 ms | 4992 KB |
2_13.txt | AC | 70 ms | 4992 KB |
2_14.txt | AC | 70 ms | 4992 KB |
2_15.txt | AC | 70 ms | 4992 KB |
2_16.txt | AC | 70 ms | 4992 KB |
2_17.txt | AC | 70 ms | 4992 KB |
2_18.txt | AC | 70 ms | 4992 KB |
2_19.txt | AC | 70 ms | 4992 KB |
2_20.txt | AC | 70 ms | 4992 KB |
2_21.txt | AC | 69 ms | 4992 KB |
2_22.txt | AC | 69 ms | 4992 KB |
2_23.txt | AC | 69 ms | 4992 KB |
2_24.txt | AC | 69 ms | 4992 KB |
2_25.txt | AC | 69 ms | 4992 KB |
2_26.txt | AC | 69 ms | 4992 KB |
2_27.txt | AC | 69 ms | 4992 KB |
2_28.txt | AC | 69 ms | 4992 KB |
2_29.txt | AC | 69 ms | 4992 KB |
2_30.txt | AC | 69 ms | 4992 KB |
2_31.txt | AC | 69 ms | 4992 KB |
2_32.txt | AC | 69 ms | 4992 KB |
2_33.txt | AC | 69 ms | 4992 KB |
2_34.txt | AC | 69 ms | 4992 KB |
2_35.txt | AC | 68 ms | 4992 KB |
2_36.txt | AC | 68 ms | 4992 KB |
2_37.txt | AC | 67 ms | 4992 KB |
2_38.txt | AC | 66 ms | 4992 KB |
2_39.txt | AC | 65 ms | 4992 KB |
2_40.txt | AC | 64 ms | 4992 KB |