38 lines
625 B
C++
38 lines
625 B
C++
#include <bits/stdc++.h>
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using namespace std;
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using ll = long long;
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void solve()
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{
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int n, t;
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cin >> n >> t;
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string s;
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cin >> s;
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while (t--)
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{
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for (int i = 0; i < n - 1; ++i)
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{
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if (s[i] == 'B' && s[i + 1] == 'G')
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{
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char c;
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c = s[i];
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s[i] = s[i + 1];
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s[i + 1] = c;
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i++;
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}
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}
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}
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cout << s;
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}
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int main()
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{
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ios_base::sync_with_stdio(false);
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cin.tie(nullptr);
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int TC = 1;
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// cin >> TC;
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// cin.ignore();
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while (TC--)
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solve();
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} |