Submission #1013839
Source Code Expand
#include <bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; int xors = 0; int bit[32] = {}; for(int i = 0 ; i < N ; i++){ int z = 0; int n; cin >> n; xors ^= n; while( n % 2 == 0 ) z++, n /= 2; bit[z]++; //cout << z << endl; } int ans = 0; for(int i = 31 ; i >= 0 ; i--){ if( xors >> i & 1 ){ if( !bit[i] ){ cout << -1 << endl; return 0; } ans++; xors ^= ((1ll<<i)-1); } } cout << ans << endl; }
Submission Info
Submission Time | |
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Task | C - Cheating Nim |
User | kyuridenamida |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 491 Byte |
Status | AC |
Exec Time | 55 ms |
Memory | 256 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 | 3 ms | 256 KB |
001.txt | AC | 3 ms | 256 KB |
002.txt | AC | 50 ms | 256 KB |
003.txt | AC | 18 ms | 256 KB |
004.txt | AC | 19 ms | 256 KB |
005.txt | AC | 16 ms | 256 KB |
006.txt | AC | 49 ms | 256 KB |
007.txt | AC | 49 ms | 256 KB |
008.txt | AC | 48 ms | 256 KB |
009.txt | AC | 49 ms | 256 KB |
010.txt | AC | 49 ms | 256 KB |
011.txt | AC | 49 ms | 256 KB |
012.txt | AC | 48 ms | 256 KB |
013.txt | AC | 49 ms | 256 KB |
014.txt | AC | 49 ms | 256 KB |
015.txt | AC | 55 ms | 256 KB |
016.txt | AC | 49 ms | 256 KB |
017.txt | AC | 48 ms | 256 KB |
018.txt | AC | 49 ms | 256 KB |
019.txt | AC | 48 ms | 256 KB |
020.txt | AC | 49 ms | 256 KB |
021.txt | AC | 7 ms | 256 KB |
022.txt | AC | 7 ms | 256 KB |
023.txt | AC | 48 ms | 256 KB |
example0.txt | AC | 3 ms | 256 KB |
example1.txt | AC | 3 ms | 256 KB |