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code1.cpp
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52 lines (51 loc) · 1.02 KB
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#include <bits/stdc++.h>
using namespace std;
int main(){
// here the code begins
int t,w;
cin>>t;
for(w=1;w<=t;w++)
{
char str[1005];
cin>>str;
int k;
int l=strlen(str),count=0;
cin>>k;
for(int i=0;i<l;i++)
{
if(str[i]=='-')
{
count++;
int run=k,j=i;
if(j+run<=l)
{
while(run--)
{
if(str[j]=='-')
str[j]='+';
else
str[j]='-';
j++;
}
}
}}
int fla=0;
for(int p=0;p<l;p++)
{
if(str[p]=='-')
{
fla=1;
break;
}
}
if(fla==1)
{
printf("Case #%d: IMPOSSIBLE\n",w);
}
else
{
printf("Case #%d: %d\n",w,count);
}
}
return 0;
}