19 lines
380 B
C++
19 lines
380 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int n;
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string s;
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int res;
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int main() {
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cin >> n >> s;
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for (int i = 0; i < (int)s.size(); i++)
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for (int j = i + 1; j < (int)s.size(); j++) {
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if (s[i] == s[j]) {
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res = max(res, j - i);
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break;
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}
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}
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cout << res << endl;
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return 0;
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}
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