Submission #826144
Source Code Expand
#define _CRT_SECURE_NO_WARNINGS #define _USE_MATH_DEFINES #include <iostream> #include <map> #include <set> #include <list> #include <cstdio> #include <cmath> #include <cstring> #include <string> #include <vector> #include <algorithm> #include <utility> #include <queue> #include <stack> #include <iomanip> #include <functional> #define SIZE 300005 #define INF 1000000000 #define FD(d) fixed << setprecision(d) #define MOD 1000000007 #define ll long long using namespace std; typedef pair<ll, ll> P; int N, M; int cnt = 0; vector<int> B(10005); bool l[10005]; vector<int> x(10005); vector<int> y(10005); void DFS(int m) { if (m > M) { l[B[1]] = true; return; } for (int i = 1; i <= N; i++) { if (B[i] == x[m]) { B[i] = y[m]; DFS(m + 1); B[i] = x[m]; } } } int main() { cin >> N >> M; for (int i = 1; i <= N; i++) { B[i] = i; } for (int i = 1; i <= N; i++) { cin >> x[i] >> y[i]; } DFS(1); for (int i = 1; i <= N; i++) { if (l[i]) { cnt++; } } cout << cnt << endl; return(0); }
Submission Info
Submission Time | |
---|---|
Task | B - Box and Ball |
User | teru0016 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1115 Byte |
Status | RE |
Exec Time | 208 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt, 0_02.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, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 4 ms | 384 KB |
0_01.txt | AC | 4 ms | 384 KB |
0_02.txt | AC | 4 ms | 384 KB |
1_00.txt | AC | 4 ms | 384 KB |
1_01.txt | AC | 4 ms | 384 KB |
1_02.txt | AC | 4 ms | 384 KB |
1_03.txt | AC | 4 ms | 384 KB |
1_04.txt | RE | 189 ms | 384 KB |
1_05.txt | RE | 197 ms | 384 KB |
1_06.txt | RE | 192 ms | 384 KB |
1_07.txt | RE | 191 ms | 384 KB |
1_08.txt | RE | 191 ms | 384 KB |
1_09.txt | RE | 190 ms | 384 KB |
1_10.txt | RE | 191 ms | 384 KB |
1_11.txt | RE | 205 ms | 384 KB |
1_12.txt | RE | 190 ms | 384 KB |
1_13.txt | RE | 195 ms | 384 KB |
1_14.txt | RE | 208 ms | 384 KB |
1_15.txt | RE | 205 ms | 384 KB |
1_16.txt | RE | 190 ms | 384 KB |
1_17.txt | RE | 190 ms | 384 KB |
1_18.txt | RE | 191 ms | 384 KB |
1_19.txt | RE | 207 ms | 384 KB |
1_20.txt | RE | 206 ms | 384 KB |
1_21.txt | RE | 192 ms | 384 KB |
1_22.txt | RE | 192 ms | 384 KB |
1_23.txt | RE | 193 ms | 384 KB |