
Asked in TCS
Given a string S consisting of '*' and '#', find the minimum number of '*' or '#' characters needed to make it a valid string, where a valid string has an equal number of '*' and '#' characters. The '*' and '#' can be at any position in the string.

AnswerBot
2y
Find minimum number of * or # to make a string valid with equal number of * and #.
Count the number of * and # in the string.
Find the absolute difference between the counts.
Return the difference as the...read more

PrepInsta
author
3y
#include
using namespace std;
int main()
{
string s;
int a=0,b=0;
getline(cin,s);
for(auto i:s)
if(i=='#') a++;
else if(i=='*') b++;
cout<
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