From ad44e32e097ab50a1b670cdcd34823f350cffec0 Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Sat, 2 Oct 2021 16:20:15 +0800
Subject: [PATCH] =?UTF-8?q?CSPJ2019A.=20=E6=95=B0=E5=AD=97=E6=B8=B8?=
 =?UTF-8?q?=E6=88=8F?=
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https://hydro.ac/d/ccf/record/615816122a2aefdda01dcfe9
---
 Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp

diff --git a/Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp b/Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp
new file mode 100644
index 00000000..84f6f3ab
--- /dev/null
+++ b/Hydro/d/ccf/CSPJ2019A/CSPJ2019A.cpp
@@ -0,0 +1,15 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int ans;
+string s;
+
+int main() {
+    cin >> s;
+    for (auto c : s) {
+        ans += c == '1';
+    }
+    cout << ans << endl;
+    return 0;
+}