Submission #1203912
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N; int A[101010]; int B[101010]; int nim; set<int> S; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) { cin>>A[i]; S.insert(A[i]^(A[i]-1)); nim ^= A[i]; } int ret=0; while(nim) { x=1; while(x<nim) x=x*2+1; if(S.count(x)==0) return _P("-1\n"); nim ^= x; ret++; } cout<<ret<<endl; } int main(int argc,char** argv){ string s;int i; if(argc==1) ios::sync_with_stdio(false), cin.tie(0); FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin); solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | kmjp |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1039 Byte |
Status | AC |
Exec Time | 15 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 | 12 ms | 640 KB |
003.txt | AC | 6 ms | 512 KB |
004.txt | AC | 6 ms | 512 KB |
005.txt | AC | 4 ms | 384 KB |
006.txt | AC | 14 ms | 640 KB |
007.txt | AC | 14 ms | 640 KB |
008.txt | AC | 14 ms | 640 KB |
009.txt | AC | 14 ms | 640 KB |
010.txt | AC | 14 ms | 640 KB |
011.txt | AC | 14 ms | 640 KB |
012.txt | AC | 14 ms | 640 KB |
013.txt | AC | 14 ms | 640 KB |
014.txt | AC | 14 ms | 640 KB |
015.txt | AC | 15 ms | 640 KB |
016.txt | AC | 14 ms | 640 KB |
017.txt | AC | 14 ms | 640 KB |
018.txt | AC | 14 ms | 640 KB |
019.txt | AC | 14 ms | 640 KB |
020.txt | AC | 14 ms | 640 KB |
021.txt | AC | 2 ms | 256 KB |
022.txt | AC | 2 ms | 256 KB |
023.txt | AC | 11 ms | 640 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |