From 7c6eabc9930cfec1a45fbabecc3179eaa4dec7ba Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Sun, 21 Nov 2021 15:28:42 +0800
Subject: [PATCH] =?UTF-8?q?P1055=20[NOIP2008=20=E6=99=AE=E5=8F=8A=E7=BB=84?=
 =?UTF-8?q?]=20ISBN=20=E5=8F=B7=E7=A0=81?=
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R63275520
---
 Luogu/P1055/P1055.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Luogu/P1055/P1055.cpp

diff --git a/Luogu/P1055/P1055.cpp b/Luogu/P1055/P1055.cpp
new file mode 100644
index 00000000..73f0e3e2
--- /dev/null
+++ b/Luogu/P1055/P1055.cpp
@@ -0,0 +1,24 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+const char mod[] = "0123456789X";
+
+int t;
+string s;
+
+int main() {
+    cin >> s;
+    for (int i = 0, j = 0; i < 12; i++) {
+        if (s[i] != '-') {
+            t += (s[i] - '0') * ++j;
+        }
+    }
+    if (s[12] != mod[t % 11]) {
+        s[12] = mod[t % 11];
+        cout << s << endl;
+    } else {
+        cout << "Right" << endl;
+    }
+    return 0;
+}