From 2384573091df2040d4f24ee7b09c079fc8113174 Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Sun, 21 Nov 2021 18:24:12 +0800
Subject: [PATCH] =?UTF-8?q?P1980=20[NOIP2013=20=E6=99=AE=E5=8F=8A=E7=BB=84?=
 =?UTF-8?q?]=20=E8=AE=A1=E6=95=B0=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

R63298328
---
 Luogu/P1980/P1980.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Luogu/P1980/P1980.cpp

diff --git a/Luogu/P1980/P1980.cpp b/Luogu/P1980/P1980.cpp
new file mode 100644
index 00000000..6ddae879
--- /dev/null
+++ b/Luogu/P1980/P1980.cpp
@@ -0,0 +1,23 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, x, ans;
+
+int cntx(int num) {
+    int res = 0;
+    while (num) {
+        res += num % 10 == x;
+        num /= 10;
+    }
+    return res;
+}
+
+int main() {
+    cin >> n >> x;
+    for (int i = 1; i <= n; i++) {
+        ans += cntx(i);
+    }
+    cout << ans << endl;
+    return 0;
+}