new file: P14357.cpp

P14357.cpp

@@ -0,0 +1,28 @@
+#include <bits/stdc++.h>
+using namespace std;
+int a[1000005];
+bool m(int a, int b)
+{
+    return a > b;
+}
+int main()
+{
+    string s;
+    cin >> s;
+    int cnt = 0;
+    for (int i = 0; i < s.length(); i++)
+    {
+        if ('0' <= s[i] && s[i] <= '9')
+        {
+            cnt++;
+            a[cnt] = s[i] - '0';
+        }
+    }
+    sort(a + 1, a + cnt + 1, m);
+    for (int i = 1; i <= cnt; i++)
+    {
+        cout << a[i];
+    }
+    cout << endl;
+    return 0;
+}