Submission #3783570
Source Code Expand
#include <bits/stdc++.h> using namespace std; vector<int> edges[100000]; int dfs(int i, int prev){ int ret = 0; for(auto j : edges[i]){ if(j != prev) ret ^= dfs(j, i) + 1; } return ret; } int main(){ int N; cin >> N; for(int i=0; i<N-1; i++){ int x, y; cin >> x >> y; edges[x-1].push_back(y-1); edges[y-1].push_back(x-1); } int gr = dfs(0, -1); cout << (gr!=0 ? "Alice" : "Bob") << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Game on Tree |
User | betrue12 |
Language | C++14 (GCC 5.4.1) |
Score | 1100 |
Code Size | 513 Byte |
Status | AC |
Exec Time | 102 ms |
Memory | 10368 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1100 / 1100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt, sample4.txt |
All | sample1.txt, sample2.txt, sample3.txt, sample4.txt, a1.txt, a10.txt, a11.txt, a12.txt, a13.txt, a14.txt, a15.txt, a16.txt, a17.txt, a18.txt, a19.txt, a2.txt, a20.txt, a21.txt, a22.txt, a23.txt, a24.txt, a25.txt, a26.txt, a27.txt, a28.txt, a29.txt, a3.txt, a30.txt, a4.txt, a5.txt, a6.txt, a7.txt, a8.txt, a9.txt, b1.txt, b2.txt, b3.txt, b4.txt, b5.txt, sample1.txt, sample2.txt, sample3.txt, sample4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a1.txt | AC | 3 ms | 2560 KB |
a10.txt | AC | 10 ms | 3072 KB |
a11.txt | AC | 10 ms | 3072 KB |
a12.txt | AC | 10 ms | 3072 KB |
a13.txt | AC | 92 ms | 5888 KB |
a14.txt | AC | 97 ms | 5888 KB |
a15.txt | AC | 74 ms | 5248 KB |
a16.txt | AC | 94 ms | 6016 KB |
a17.txt | AC | 92 ms | 6016 KB |
a18.txt | AC | 97 ms | 6016 KB |
a19.txt | AC | 90 ms | 6784 KB |
a2.txt | AC | 4 ms | 2688 KB |
a20.txt | AC | 100 ms | 6912 KB |
a21.txt | AC | 77 ms | 6144 KB |
a22.txt | AC | 94 ms | 5888 KB |
a23.txt | AC | 93 ms | 5888 KB |
a24.txt | AC | 74 ms | 5248 KB |
a25.txt | AC | 95 ms | 6016 KB |
a26.txt | AC | 102 ms | 6016 KB |
a27.txt | AC | 92 ms | 6016 KB |
a28.txt | AC | 92 ms | 6784 KB |
a29.txt | AC | 94 ms | 6912 KB |
a3.txt | AC | 6 ms | 2688 KB |
a30.txt | AC | 79 ms | 6144 KB |
a4.txt | AC | 10 ms | 2944 KB |
a5.txt | AC | 10 ms | 2944 KB |
a6.txt | AC | 11 ms | 2944 KB |
a7.txt | AC | 10 ms | 2944 KB |
a8.txt | AC | 10 ms | 2944 KB |
a9.txt | AC | 10 ms | 2944 KB |
b1.txt | AC | 95 ms | 10368 KB |
b2.txt | AC | 95 ms | 8064 KB |
b3.txt | AC | 95 ms | 10368 KB |
b4.txt | AC | 95 ms | 8064 KB |
b5.txt | AC | 94 ms | 8064 KB |
sample1.txt | AC | 3 ms | 2560 KB |
sample2.txt | AC | 3 ms | 2560 KB |
sample3.txt | AC | 3 ms | 2560 KB |
sample4.txt | AC | 3 ms | 2560 KB |