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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#821765 | #8311. Game on Sequence | Brno (Bocheng Jiang, Zhenyu Wang, Taixiang Wang)# | WA | 1ms | 7712kb | C++20 | 850b | 2024-12-19 17:56:58 | 2024-12-19 17:57:00 |
Judging History
answer
#include<bits/stdc++.h>
#define fi first
#define se second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef long double ld;
using namespace std;
const int N=200010,M=2000010,INF=0x3f3f3f3f;
int n,m,a[N],t[N],f[N],v[N];
pair<int,int> b[N];
int main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin>>n>>m;
for(int i=1;i<=n;i++){
cin>>a[i];
t[a[i]]=max(t[a[i]],i);
}
while(m--){
int op,k;
cin>>op>>k;
if(op&1){
a[++n]=k,t[k]=n;
for(int i=0;i<(1<<8);i++){
b[i]=mp(t[i],i);
v[i]=f[i]=0;
}
sort(b,b+255);
for(int i=(1<<8)-1;i>=0;i--){
int S=b[i].se;
for(int j=0;j<8;j++)
if(v[S^(1<<j)])f[S]|=!f[S^(1<<j)];
v[S]=1;
}
}
else{
if(k<t[a[k]])cout<<"Grammy\n";
else cout<<(f[k]?"Grammy\n":"Alice\n");
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 7712kb
input:
5 5 1 2 3 4 5 1 6 2 5 1 7 2 5 2 1
output:
Alice Grammy Alice
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3612kb
input:
10 10 12 114 132 7 133 53 128 159 34 92 2 5 1 254 2 3 2 11 1 92 2 11 1 33 1 230 1 181 2 11
output:
Alice Grammy Grammy Grammy Grammy
result:
wrong answer 3rd lines differ - expected: 'Alice', found: 'Grammy'