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29 lines
707 B
C++
29 lines
707 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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#include <bits/stdc++.h>
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using namespace std;
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const int N = 100050;
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char s[N];
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map<int, int> M;
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int main()
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{
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int n;
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scanf("%d%s", &n, s);
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int ans1 = 0, ans2 = 0;
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M[0] = -1;
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int cnt = 0;
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for (int i = 0; i < n; i++)
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{
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if (s[i] == '1')
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cnt++;
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else
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cnt--;
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auto ite = M.find(cnt);
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if (ite != M.end())
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ans1 = max(ans1, i - ite->second);
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if (!M.count(cnt)) M[cnt] = i;
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}
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ans2 = min(count(s, s + n, '0'), count(s, s + n, '1')) << 1;
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printf("%d %d", ans1, (ans2 | 1) - 1);
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return 0;
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} |