이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#ifndef SKY
#include "paint.h"
#endif // SKY
#include <cstdlib>
using namespace std;
#define ll long long
#define pb push_back
#define N 200010
#define ii pair<int,int>
#define fs first
#define sc seoncd
int l[N][105][2],r[N][105][2],k,n,white[N],black[N],sum[N],cnt[N],c[N];
string solve_puzzle(string s,vector<int> vec)
{
n=s.size();
s=" "+s;
k=vec.size();
for(int i=1;i<=k;i++)
c[i]=vec[i-1];
for(int i=1;i<=n;i++)
sum[i]=sum[i-1]+(s[i]!='_');
l[0][0][1]=r[n+1][k+1][1]=1;
for(int i=1;i<=n;i++)
{
//black
if(s[i]!='_')
{
for(int j=1;j<=k;j++)
if(i>=c[j]&&sum[i]-sum[i-c[j]]==c[j])
l[i][j][0]|=l[i-c[j]][j-1][1];
}
//while
if(s[i]!='X')
{
for(int j=0;j<=k;j++)
l[i][j][1]|=(l[i-1][j][1]|l[i-1][j][0]);
}
}
for(int i=n;i>=1;i--)
{
//black
if(s[i]!='_')
{
for(int j=1;j<=k;j++)
if(n-i+1>=c[j]&&sum[i+c[j]-1]-sum[i-1]==c[j])
r[i][j][0]|=r[i+c[j]][j+1][1];
}
if(s[i]!='X')
{
for(int j=1;j<=k+1;j++)
r[i][j][1]|=(r[i+1][j][0]|r[i+1][j][1]);
}
}
for(int i=1;i<=n;i++)
if(s[i]!='X')
{
for(int j=0;j<=k;j++)
if((l[i-1][j][0]|l[i-1][j][1])&&(r[i+1][j+1][0]|r[i+1][j+1][1]))
{
white[i]=1;
break;
}
}
for(int i=1;i<=n;i++)
if(s[i]!='_')
{
for(int j=1;j<=k;j++)
if(i>=c[j]&&sum[i]-sum[i-c[j]]==c[j]&&l[i-c[j]][j-1][1]&&r[i+1][j+1][1])
{
black[i-c[j]+1]++;
black[i+1]--;
}
}
for(int i=1;i<=n;i++)
black[i]+=black[i-1];
for(int i=1;i<=n;i++)
black[i]=(black[i]>0);
string kq="";
for(int i=1;i<=n;i++)
{
if(black[i]==1&&white[i]==1)
{
kq.pb('?');
continue;
}
if(black[i])
kq.pb('X');
else kq.pb('_');
}
return kq;
}
#ifdef SKY
int main()
{
freopen("A.inp","r",stdin);
freopen("A.out","w",stdout);
string s;
cin>>s;
int k;
vector<int>c;
cin>>k;
for(int i=1;i<=k;i++)
{
int u;
cin>>u;
c.pb(u);
}
cout<<solve_puzzle(s,c);
}
#endif
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