Submission #2213341
Source Code Expand
#include<bits/stdc++.h> using namespace std; int N, a[100009]; long long dp[100009][2]; int main () { //freopen ("input", "r", stdin); //freopen ("output", "w", stdout); scanf ("%d", &N); for (int i=1; i<=N; i++) scanf ("%d", &a[i]); dp[1][0] = a[1] / 2; for (int i=1; i<N; i++) for (int j=0; j<2; j++) for (int k=0; k<2; k++) if (j + k <= a[i] && k <= a[i + 1]) dp[i + 1][k] = max (dp[i + 1][k], dp[i][j] + k + (a[i + 1] - k) / 2 - (k == 1 && a[i] % 2 == j % 2)); printf ("%lld\n", max (dp[N][0], dp[N][1])); return 0; }
Submission Info
Submission Time | |
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Task | B - Simplified mahjong |
User | geniucos |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 594 Byte |
Status | AC |
Exec Time | 15 ms |
Memory | 2176 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:13:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &N); ^ ./Main.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | s1.txt, s2.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, s1.txt, s2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 15 ms | 2176 KB |
02.txt | AC | 15 ms | 2176 KB |
03.txt | AC | 14 ms | 2176 KB |
04.txt | AC | 13 ms | 2176 KB |
05.txt | AC | 13 ms | 2176 KB |
06.txt | AC | 13 ms | 2176 KB |
07.txt | AC | 14 ms | 2176 KB |
08.txt | AC | 14 ms | 2176 KB |
09.txt | AC | 14 ms | 2176 KB |
10.txt | AC | 14 ms | 2176 KB |
11.txt | AC | 10 ms | 2176 KB |
12.txt | AC | 15 ms | 2176 KB |
13.txt | AC | 15 ms | 2176 KB |
14.txt | AC | 15 ms | 2176 KB |
15.txt | AC | 10 ms | 2176 KB |
16.txt | AC | 15 ms | 2176 KB |
17.txt | AC | 14 ms | 2176 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | AC | 1 ms | 256 KB |
22.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |