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.

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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

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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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