Submission #2854065
Source Code Expand
#include<bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int MAX = 60; char S[MAX]; int main() { int N; vector<int> a; scanf("%d", &N); scanf("%s", S); S[N] = '0'; for (int i = 0; i < N; i++) { if (S[i] == S[i+1]) { a.push_back(2); i++; } else { a.push_back(1); } } long long ans; if (a[0] == 1) ans = 3; else ans = 6; for (int i = 1; i < N; i++) { if (a[i] == 1 && a[i-1] == 1) ans = ans * 2 % MOD; else if (a[i] == 2 && a[i-1] == 1) ans = ans * 2 % MOD; else if (a[i] == 2 && a[i-1] == 2) ans = ans * 3 % MOD; } printf("%lld\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Coloring Dominoes |
User | atumari |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 744 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:11:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.cpp:12:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", S); ^
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 |