'commit'

TangDou/XiTi/DiZengShu.cpp

@@ -0,0 +1,26 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+//求递增数组 11-10001之间的
+bool IsDiZeng(int n) {
+    int lastGe, ge = 10;
+    while (n > 0) {
+        lastGe = ge;
+        ge = n % 10;
+        n /= 10;
+        if (ge > lastGe) return false;
+    }
+    return true;
+}
+
+int main() {
+    int count = 0;
+    for (int i = 12; i <= 10000; i++) {
+        if (IsDiZeng(i)) {
+            count++;
+        }
+    }
+    cout << count << endl;
+    return 0;
+}