Submission #1000727
Source Code Expand
#include<iostream> #include<cstdio> #include<algorithm> #include<set> #include<map> #include<queue> #include<cassert> #define PB push_back #define MP make_pair #define sz(v) (in((v).size())) #define forn(i,n) for(in i=0;i<(n);++i) #define forv(i,v) forn(i,sz(v)) #define fors(i,s) for(auto i=(s).begin();i!=(s).end();++i) #define all(v) (v).begin(),(v).end() using namespace std; typedef long long in; typedef vector<in> VI; typedef vector<VI> VVI; in p2(in a){ return 1LL<<a; } VI hs; int main(){ ios::sync_with_stdio(0); cin.tie(0); in n; cin>>n; hs.resize(32); in xr=0; in a; forn(z,n){ cin>>a; in cv; for(in i=0;i<32;++i){ if(a&p2(i)){ cv=i; break; } } hs[cv]=1; xr^=a; } in eat=0; for(in i=31;i>=0;--i){ if(xr&p2(i)){ if(hs[i]){ ++eat; xr^=(p2(i+1)-1); } } } if(xr) cout<<-1<<endl; else cout<<eat<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | w4yneb0t |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 978 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 | 2 ms | 256 KB |
001.txt | AC | 2 ms | 256 KB |
002.txt | AC | 14 ms | 256 KB |
003.txt | AC | 7 ms | 256 KB |
004.txt | AC | 7 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 | 3 ms | 256 KB |
022.txt | AC | 3 ms | 256 KB |
023.txt | AC | 14 ms | 256 KB |
example0.txt | AC | 2 ms | 256 KB |
example1.txt | AC | 2 ms | 256 KB |