Submission #3233593
Source Code Expand
#include <iostream> #include <vector> using namespace std; bool exist[200]; int a[100005]; vector<int> b; int ans; int main() { int n; cin >> n; for(int i = 0; i < n; i++) { cin >> a[i]; } int tmp = 0; for(int i = 0; i < n; i++) { tmp ^= a[i]; int k = 0; int t = a[i]; while(t % 2 == 0) { t /= 2; k++; } exist[k] = true; } while(tmp > 0) { b.push_back(tmp % 2); // cout << tmp % 2 << endl; tmp /= 2; } int i = b.size() - 1; while(i >= 0) { //cout << "iii = "<<i<<endl; if(exist[i]) ans++; else { cout << -1 << endl; return 0; } while(i >= 0 && b[i] == 1) { i--; } if(i < 0) break; // cout << "i = "<<i<<endl; if(exist[i]) ans++; else { cout << -1 << endl; return 0; } while(i >= 0 && b[i] == 0) { i--; } if(i < 0) break; } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | shossie1016 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 989 Byte |
Status | AC |
Exec Time | 58 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 1 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 58 ms | 640 KB |
003.txt | AC | 17 ms | 512 KB |
004.txt | AC | 20 ms | 384 KB |
005.txt | AC | 17 ms | 384 KB |
006.txt | AC | 56 ms | 640 KB |
007.txt | AC | 55 ms | 640 KB |
008.txt | AC | 56 ms | 640 KB |
009.txt | AC | 55 ms | 640 KB |
010.txt | AC | 56 ms | 640 KB |
011.txt | AC | 55 ms | 640 KB |
012.txt | AC | 56 ms | 640 KB |
013.txt | AC | 55 ms | 640 KB |
014.txt | AC | 56 ms | 640 KB |
015.txt | AC | 55 ms | 640 KB |
016.txt | AC | 56 ms | 640 KB |
017.txt | AC | 56 ms | 640 KB |
018.txt | AC | 56 ms | 640 KB |
019.txt | AC | 55 ms | 640 KB |
020.txt | AC | 56 ms | 640 KB |
021.txt | AC | 6 ms | 256 KB |
022.txt | AC | 6 ms | 256 KB |
023.txt | AC | 54 ms | 640 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |