Submission #1982985
Source Code Expand
#include<iostream> #define MAX 53 const long long MOD = 1000000007; using namespace std; char a[MAX]; bool b[MAX]; int main() { int n; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; } a[n+1] = '&'; a[0] = '%'; long long cnt = 1; int i = 1; if (a[i] != a[i+1]) { b[i] = 1; i++; cnt = 3; } else { b[i + 1] = 0; i += 2; cnt = 6; } while (i <= n) { if (a[i] != a[i + 1]) { if (b[i - 1] == 1) { cnt = (cnt * 2) % MOD; } b[i] = 1; i++; } else { if (b[i - 1] == 1) { cnt = (cnt * 2) % MOD; } else { cnt = (cnt * 3) % MOD; } b[i + 1] = 0; i += 2; } } cout << cnt << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Coloring Dominoes |
User | nejineji |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 703 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, 1.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 2.txt, 20.txt, 21.txt, 22.txt, 3.txt, 4.txt, 5.txt, 6.txt, 7.txt, 8.txt, 9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
1.txt | AC | 1 ms | 256 KB |
10.txt | AC | 1 ms | 256 KB |
11.txt | AC | 1 ms | 256 KB |
12.txt | AC | 1 ms | 256 KB |
13.txt | AC | 1 ms | 256 KB |
14.txt | AC | 1 ms | 256 KB |
15.txt | AC | 1 ms | 256 KB |
16.txt | AC | 1 ms | 256 KB |
17.txt | AC | 1 ms | 256 KB |
18.txt | AC | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
2.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 |
3.txt | AC | 1 ms | 256 KB |
4.txt | AC | 1 ms | 256 KB |
5.txt | AC | 1 ms | 256 KB |
6.txt | AC | 1 ms | 256 KB |
7.txt | AC | 1 ms | 256 KB |
8.txt | AC | 1 ms | 256 KB |
9.txt | AC | 1 ms | 256 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |