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27 lines
613 B
C++
27 lines
613 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <algorithm>
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#include <cstdio>
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#include <cstring>
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using namespace std;
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const int N = 2e5 + 50;
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char s[N], s2[N];
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int main()
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{
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int n, k, ans = 0;
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scanf("%d%d%s", &n, &k, &s);
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for (char ch = 'a'; ch <= 'z'; ch++)
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{
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int cnt = 0;
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for (int i = 0; i < k; i++) s2[i] = ch;
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for (int i = 0; i <= n - k;)
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if (memcmp(s + i, s2, k) == 0)
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cnt++, i += k;
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else
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i++;
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ans = max(ans, cnt);
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}
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printf("%d", ans);
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return 0;
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}
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