From ab92882002a8d1d8ed706baf4f97f0746d86024f Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Sun, 3 Jan 2021 10:46:55 +0800
Subject: [PATCH] =?UTF-8?q?P1965=20[NOIP2013=20=E6=8F=90=E9=AB=98=E7=BB=84?=
 =?UTF-8?q?]=20=E8=BD=AC=E5=9C=88=E6=B8=B8=E6=88=8F=20||=20#2608.=20?=
 =?UTF-8?q?=E3=80=8CNOIP2013=E3=80=8D=E8=BD=AC=E5=9C=88=E6=B8=B8=E6=88=8F?=
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R44561025
https://loj.ac/s/1025658
---
 LibreOJ/2608/2608.cpp         | 21 +++++++++++++++++++++
 Luogu/problem/P1965/P1965.cpp | 21 +++++++++++++++++++++
 2 files changed, 42 insertions(+)
 create mode 100644 LibreOJ/2608/2608.cpp
 create mode 100644 Luogu/problem/P1965/P1965.cpp

diff --git a/LibreOJ/2608/2608.cpp b/LibreOJ/2608/2608.cpp
new file mode 100644
index 00000000..62f58679
--- /dev/null
+++ b/LibreOJ/2608/2608.cpp
@@ -0,0 +1,21 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+long long binpow(long long a, long long b, long long m) {
+    a %= m;
+    long long res = 1;
+    while (b > 0) {
+        if (b & 1) res = res * a % m;
+        a = a * a % m;
+        b >>= 1;
+    }
+    return res;
+}
+
+int main() {
+    int n, m, k, x;
+    cin >> n >> m >> k >> x;
+    cout << (x % n + m % n * binpow(10, k, n) % n) % n << endl;
+    return 0;
+}
diff --git a/Luogu/problem/P1965/P1965.cpp b/Luogu/problem/P1965/P1965.cpp
new file mode 100644
index 00000000..62f58679
--- /dev/null
+++ b/Luogu/problem/P1965/P1965.cpp
@@ -0,0 +1,21 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+long long binpow(long long a, long long b, long long m) {
+    a %= m;
+    long long res = 1;
+    while (b > 0) {
+        if (b & 1) res = res * a % m;
+        a = a * a % m;
+        b >>= 1;
+    }
+    return res;
+}
+
+int main() {
+    int n, m, k, x;
+    cin >> n >> m >> k >> x;
+    cout << (x % n + m % n * binpow(10, k, n) % n) % n << endl;
+    return 0;
+}