Submission #3419880
Source Code Expand
#include<cstdio> #include<iostream> #include<algorithm> #include<vector> #include<string> #include<cstdlib> #include<cmath> #include<cstring> #include<set> #include<map> #include<queue> using namespace std; #define rep(i,n) for(int (i)=0;(i)<(n);++i) #define rrep(i,n) for(int (i)=(n)-1;(i)>=0;--i) #define rep1(i,n) for(int (i)=1;(i)<=(n);++i) #define rrep1(i,n) for(int (i)=(n);(i)>=1;--i) #define pb push_back #define fr first #define sc second typedef long long ll; typedef pair<int,int> P; typedef pair<long long,long long> LP; typedef double db; using namespace std; ll N; ll A[100001]; ll b[100001]; bool ok[40]; ll va(ll x){ ll cnt = 0; while(x > 1){ x>>=1; cnt++; } return cnt; } int main() { cin>>N; ll ans = 0; rep(i,N){ cin>>A[i]; ans^=A[i]; ll cnt = 0; while(A[i]%2 == 0){ A[i]>>=1; cnt++; } ok[cnt]=1; } ll a = 0; while(ans>0){ a++; ll m = va(ans); if(!ok[m]){ puts("-1"); return 0; } ans ^= ((1<<(m+1))-1); } cout<<a<<endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Cheating Nim |
User | miyajiro |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1109 Byte |
Status | AC |
Exec Time | 44 ms |
Memory | 1024 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 | 44 ms | 1024 KB |
003.txt | AC | 14 ms | 768 KB |
004.txt | AC | 16 ms | 640 KB |
005.txt | AC | 13 ms | 512 KB |
006.txt | AC | 41 ms | 1024 KB |
007.txt | AC | 41 ms | 1024 KB |
008.txt | AC | 41 ms | 1024 KB |
009.txt | AC | 41 ms | 1024 KB |
010.txt | AC | 41 ms | 1024 KB |
011.txt | AC | 41 ms | 1024 KB |
012.txt | AC | 41 ms | 1024 KB |
013.txt | AC | 41 ms | 1024 KB |
014.txt | AC | 41 ms | 1024 KB |
015.txt | AC | 41 ms | 1024 KB |
016.txt | AC | 41 ms | 1024 KB |
017.txt | AC | 41 ms | 1024 KB |
018.txt | AC | 41 ms | 1024 KB |
019.txt | AC | 42 ms | 1024 KB |
020.txt | AC | 41 ms | 1024 KB |
021.txt | AC | 5 ms | 384 KB |
022.txt | AC | 5 ms | 384 KB |
023.txt | AC | 41 ms | 1024 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |