Submission #2141448
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int N = 200005; const long long INF = 1e18; int n, m; int a[N], x[N]; long long s[N]; long long dp[N]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; for (int i = 1; i <= n - 1; ++i) { cin >> a[i]; } cin >> m; for (int i = 1; i <= m; ++i) { cin >> x[i]; } assert(m == 1); a[n] = x[1]; for (int i = 1; i <= n; ++i) dp[i] = -INF; for (int i = 1; i <= n; ++i) s[i] = s[i - 1] + a[i]; dp[n] = a[n - 1] - a[n]; long long mx = -dp[n] - s[n - 2]; for (int i = n - 1; i >= 2; --i) { dp[i] = max(dp[i], mx + a[i - 1] + s[i - 1]); mx = max(mx, -dp[i] - s[i - 2]); } cout << dp[2] << endl; }
Submission Info
Submission Time | |
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Task | H - Tokaido |
User | cheater2k |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 722 Byte |
Status | RE |
Exec Time | 130 ms |
Memory | 4992 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | 0 / 900 | ||||||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt |
dataset2 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 15 ms | 4992 KB |
01-02.txt | AC | 2 ms | 2304 KB |
01-03.txt | AC | 2 ms | 2304 KB |
01-04.txt | AC | 9 ms | 3712 KB |
01-05.txt | AC | 15 ms | 4992 KB |
01-06.txt | AC | 15 ms | 4992 KB |
01-07.txt | AC | 6 ms | 3328 KB |
01-08.txt | AC | 22 ms | 4992 KB |
01-09.txt | AC | 15 ms | 4992 KB |
01-10.txt | AC | 2 ms | 2304 KB |
01-11.txt | AC | 4 ms | 2944 KB |
01-12.txt | AC | 15 ms | 4864 KB |
01-13.txt | AC | 16 ms | 4992 KB |
01-14.txt | AC | 16 ms | 4864 KB |
01-15.txt | AC | 16 ms | 4992 KB |
01-16.txt | AC | 15 ms | 4992 KB |
01-17.txt | AC | 16 ms | 4992 KB |
01-18.txt | AC | 15 ms | 4992 KB |
01-19.txt | AC | 15 ms | 4992 KB |
02-01.txt | RE | 104 ms | 2304 KB |
02-02.txt | RE | 128 ms | 2944 KB |
02-03.txt | RE | 125 ms | 2944 KB |
02-04.txt | RE | 125 ms | 2944 KB |
02-05.txt | RE | 114 ms | 2304 KB |
02-06.txt | RE | 125 ms | 2944 KB |
02-07.txt | RE | 126 ms | 2944 KB |
02-08.txt | RE | 114 ms | 2304 KB |
02-09.txt | RE | 114 ms | 2304 KB |
02-10.txt | RE | 120 ms | 2560 KB |
02-11.txt | RE | 126 ms | 2944 KB |
02-12.txt | RE | 125 ms | 2944 KB |
02-13.txt | RE | 126 ms | 2944 KB |
02-14.txt | RE | 130 ms | 2944 KB |
02-15.txt | RE | 125 ms | 2944 KB |
02-16.txt | RE | 125 ms | 2944 KB |
sample-01.txt | AC | 2 ms | 2304 KB |
sample-02.txt | RE | 97 ms | 2304 KB |