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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#290230 | #7967. 二进制 | daydream# | WA | 0ms | 3452kb | C++20 | 2.0kb | 2023-12-24 16:24:54 | 2023-12-24 16:24:54 |
Judging History
answer
#include<bits/stdc++.h>
#define db double
#define LL long long
#define pb push_back
#define eb emplace_back
#define pli pair<LL,int>
#define pii pair<int,int>
#define fr first
#define sc second
#define mp make_pair
using namespace std;
const int dx[]={0,1,0,-1,1,1,-1,-1},
dy[]={1,0,-1,0,1,-1,1,-1};
struct BIT
{
int n;
vector<int> tr;
BIT(int N)
{
tr.resize((n=N)+10);
}
void upd(int i) {for(;i<=n;i+=(i&-i)) tr[i]++;}
int qry(int i) {int res=0; for(;i;i-=(i&-i)) res+=tr[i]; return res;}
};
int n;
void solve()
{
cin>>n;
string s;cin>>s;s=" "+s;
vector<int> a(n+10),f(n+10),ex(n+10,1),nxt(n+10),pre(n+10),cnt(n*2+10);
vector<priority_queue<int,vector<int>,greater<int>>> pos(n*2+10),del(n*2+10);
nxt[n+1]=n+1;nxt[0]=1;pre[n+1]=n;
for(int i=1;i<=n;++i) a[i]=s[i]-'0',nxt[i]=i+1,pre[i]=i-1;
BIT T(n);
for(int k=1,x=1;x<=n;++k,x<<=1)
{
int S=(1<<k)-1;
{
int p=nxt[0],ps=p,x=0;
for(int j=1;j<k;++j,ps=nxt[ps]) x=x<<1|a[ps];
for(;ps<=n;p=nxt[p],ps=nxt[ps])
{
x=((x<<1)&S)|a[ps];
f[p]=x;
cnt[f[p]]++;pos[f[p]].push(p);
}
}
// cout<<'\n';
for(int i=x;i<=n&&i<(x<<1);++i)
{
// cout<<cnt[7]<<'\n';
if(!cnt[i])
{
cout<<"-1 0\n";
continue;
}
while(!del[i].empty()&&pos[i].top()==del[i].top())
{
pos[i].pop();
del[i].pop();
}
int P=pos[i].top(),p=P;
cout<<p-T.qry(p)<<' '<<cnt[i]<<'\n';
for(int j=1;j<=k;++j,p=nxt[p])
{
ex[p]=0;
T.upd(p);
cnt[f[p]]--;
del[f[p]].push(p);
}
nxt[pre[P]]=p;pre[p]=pre[P];
p=P;
for(int j=1;j<k;++j) p=pre[p];
if(!p) p=nxt[p];
int x=0,ps=p;
for(int j=1;j<k;++j,ps=nxt[ps]) x=x<<1|a[ps];
for(int j=1;j<k;++j,p=nxt[p],ps=nxt[ps])
{
if(ps<=n)
{
cnt[f[p]]--;del[f[p]].push(p);
x=((x<<1)&S)|a[ps];
f[p]=x;
cnt[f[p]]++;pos[f[p]].push(p);
}
}
}
}
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
int TT=1;
// cin>>TT;
for(;TT;--TT) solve();
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3452kb
input:
20 01001101101101110010
output:
2 11 5 5 4 5 11 1 4 2 7 1 6 1 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0 -1 0
result:
wrong answer 7th lines differ - expected: '-1 0', found: '6 1'