#include<iostream>
#include<string>
using namespace std;
int main()
{
int num, t;
cin >> num >> t;
string a;
a = "/n";
getline(cin, a); getline(cin, a);
for (int i = 0; i < t; i++)
{
for (int j = 0; j < num - 1; j++)
{
if (a[j] == 'B'&& a[j + 1] == 'G')
{
a[j] = 'G'; a[j + 1] = 'B';
j++;
}
}
}
cout << a;
return 0;
}
1.17A
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转载自blog.csdn.net/weixin_44014347/article/details/86669769
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