[Init] Solved solutions

cpp/271A.cpp

@@ -0,0 +1,36 @@
+#include <iostream>
+
+using namespace std;
+
+bool check(int n)
+{
+    int a = n/1000;
+    int b = (n/100)%10;
+    if (b == a)
+    {
+        return 0;
+    }
+    int c = (n/10)%10;
+    if (c == a || c == b)
+    {
+        return 0;
+    }
+    int d = n%10;
+    if (d == a || d == b || d == c)
+    {
+        return 0;
+    }
+    return 1;
+}
+
+int main()
+{
+    int n;
+    cin >> n;
+    do
+    {
+        n++;
+    } while (check(n) == 0);
+    cout << n;
+    return 0;
+}