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32 lines
796 B
C++
32 lines
796 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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#define CRP(t, x) const t &x
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#define OPL(t, x) bool operator<(CRP(t, x)) const
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#define FIL(x, v) memset(x, v, sizeof(x))
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#define CLR(x) FIL(x, 0)
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#define NE1(x) FIL(x, -1)
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#define INF(x) FIL(x, 0x3f)
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#ifndef _DEBUG
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#define _DEBUG 0
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#endif // !_DEBUG
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#define IFD if (_DEBUG)
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typedef long long ll, i64;
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int main()
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{
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int l, r;
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scanf("%d%d", &l, &r);
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for (int i = l; i <= r; i++)
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{
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char s[20];
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sprintf(s, "%d", i);
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bool flag = true;
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for (int i = 0; s[i]; i++)
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for (int j = 0; j < i; j++)
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if (s[j] == s[i]) flag = false;
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if (flag) return puts(s), 0;
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}
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puts("-1");
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return 0;
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} |