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Acacius_And_String.cpp
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59 lines (58 loc) · 1.19 KB
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#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin>>t;
while(t--)
{
int n;
cin>>n;
string s;
cin>>s;
string t="abacaba";
bool c=false;
for(int i=0;i<=n-7;i++)
{
string str(s);
for(int j=0;j<7;j++)
{
if(str[i+j]==t[j])
{
continue;
}
else if(str[i+j]=='?')
{
str[i+j]=t[j];
}
else
{
break;
}
}
for(int j=0;j<n;j++)
if(str[j]=='?')
str[j]='z';
int cnt=0;
for(int j=0;j<n;j++)
{
if(str.substr(j,7)==t)
{
cnt++;
}
}
if(cnt==1)
{
s=str;
c=true;
}
}
if(c)
{
cout<<"YES"<<endl<<s<<endl;
}
else
cout<<"NO"<<endl;
}
return 0;
}