Submission #1913307
Source Code Expand
#include<iostream> using namespace std; int n,a,x,c,k[35]; main() { cin>>n; for(int i=0;i<n;i++) { cin>>a; x^=a; a^=a-1; for(int j=1;j<31;j++)if(a==(1<<j)-1)k[j]=1; } for(int i=30;i>0;i--) { if(x&(1<<(i-1))&&k[i])c++,x^=(1<<i)-1; } cout<<(x?-1:c)<<endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | kotatsugame |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 291 Byte |
Status | AC |
Exec Time | 59 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 | 1 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 59 ms | 256 KB |
003.txt | AC | 18 ms | 256 KB |
004.txt | AC | 22 ms | 256 KB |
005.txt | AC | 17 ms | 256 KB |
006.txt | AC | 58 ms | 256 KB |
007.txt | AC | 56 ms | 256 KB |
008.txt | AC | 57 ms | 256 KB |
009.txt | AC | 56 ms | 256 KB |
010.txt | AC | 57 ms | 256 KB |
011.txt | AC | 56 ms | 256 KB |
012.txt | AC | 57 ms | 256 KB |
013.txt | AC | 56 ms | 256 KB |
014.txt | AC | 57 ms | 256 KB |
015.txt | AC | 56 ms | 256 KB |
016.txt | AC | 57 ms | 256 KB |
017.txt | AC | 56 ms | 256 KB |
018.txt | AC | 57 ms | 256 KB |
019.txt | AC | 56 ms | 256 KB |
020.txt | AC | 57 ms | 256 KB |
021.txt | AC | 6 ms | 256 KB |
022.txt | AC | 6 ms | 256 KB |
023.txt | AC | 55 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |