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39 lines
794 B
C++
39 lines
794 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 = 1000050;
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char s[N], s2[N];
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char st[N];
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int top;
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bool check(int l)
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{
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top = 0;
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for (int i = 0; i < l; i++)
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if (top && st[top - 1] == '(' && s[i] == ')')
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top--;
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else
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st[top++] = s[i];
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return top == 0;
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}
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int main()
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{
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scanf("%s", s2);
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int n = strlen(s2);
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memcpy(s, s2, n);
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while (prev_permutation(s, s + n))
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if (check(n))
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{
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puts(s);
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break;
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}
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memcpy(s, s2, n);
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while (next_permutation(s, s + n))
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if (check(n))
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{
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puts(s);
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break;
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}
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return 0;
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}
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