Submission #4130413
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define debug(x) cout<<#x<<" :: "<<x<<"\n"; #define debug2(x,y) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\n"; #define debug3(x,y,z) cout<<#x<<" :: "<<x<<"\t"<<#y<<" :: "<<y<<"\t"<<#z<<" :: "<<z<<"\n"; #define br cout<<endl; #define pb push_back #define mp(a,b) make_pair(a,b) #define mem(a,b) memset(a,b,sizeof(a)) #define fi first #define se second typedef long long ll; typedef pair<int, int> pii; const int MAX = 100005; const int INF = 1e9+7; const ll LINF = 1e18 + 7; /***************************************************************************/ int main() { ios::sync_with_stdio(0); int n; cin>>n; ll ar[n+5],ans=0; map<int, int>m; for(int i=0;i<n;i++) { ll a,r=0; cin>>a; ans^=a; while(a%2==0) { r++; a=a/2; } m[r]++; } ll x=1<<30,f=0,res=0; for(int i=30;i>=0;i--) { if(ans & x) { if(m[i]) { ll c=x-1; ans^=c; } else { f=1; break; } res++; } x/=2; } if(f) { cout<<-1<<endl; } else { cout<<res<<endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | z1_43 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1394 Byte |
Status | AC |
Exec Time | 14 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 | 12 ms | 256 KB |
003.txt | AC | 6 ms | 256 KB |
004.txt | AC | 6 ms | 256 KB |
005.txt | AC | 5 ms | 256 KB |
006.txt | AC | 14 ms | 256 KB |
007.txt | AC | 14 ms | 256 KB |
008.txt | AC | 14 ms | 256 KB |
009.txt | AC | 14 ms | 256 KB |
010.txt | AC | 14 ms | 256 KB |
011.txt | AC | 14 ms | 256 KB |
012.txt | AC | 14 ms | 256 KB |
013.txt | AC | 14 ms | 256 KB |
014.txt | AC | 14 ms | 256 KB |
015.txt | AC | 14 ms | 256 KB |
016.txt | AC | 14 ms | 256 KB |
017.txt | AC | 14 ms | 256 KB |
018.txt | AC | 14 ms | 256 KB |
019.txt | AC | 14 ms | 256 KB |
020.txt | AC | 14 ms | 256 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 3 ms | 256 KB |
023.txt | AC | 13 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |