0311

0311/1.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+void swap(char *a, char *b) {
+    char temp = *a;
+    *a = *b;
+    *b = temp;
+}
+
+int main() {
+    char num[3];
+    scanf("%s", num);
+
+    if (num[2] > num[1]) {
+        swap(num + 2, num + 1);
+    }
+    if (num[1] > num[0]) {
+        swap(num + 1, num);
+    }
+    if (num[2] > num[1]) {
+        swap(num + 2, num + 1);
+    }
+    printf("%s\n", num);
+}