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fbhack2.cpp
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fbhack2.cpp
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#include<bits/stdc++.h>
using namespace std;
int main(){
int t;
cin>>t;
int x=1;
while(t--)
{
int r,c;
cin>>r>>c;
char arr[r][c];
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
cin>>arr[i][j];
}
}
int count=0;
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
if(arr[i][j]=='^')
count++;
}
}
if(r==1 && count>0 || c==1 && count>0)
cout<<"Case #"<<x<<": Impossible"<<endl;
else if(count==0){
cout<<"Case #"<<x<<": Possible"<<endl;
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
cout<<arr[i][j];
}
cout<<endl;
}
}
else
{
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
arr[i][j]='^';
}
}
cout<<"Case #"<<x<<": Possible"<<endl;
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
cout<<arr[i][j];
}
cout<<endl;
}
}
x++;
}
return 0;
}