From 332460ff296c775de48933a35d8c79500dc82928 Mon Sep 17 00:00:00 2001
From: Ren Baoshuo <i@baoshuo.ren>
Date: Tue, 20 Oct 2020 20:54:32 +0800
Subject: [PATCH] =?UTF-8?q?P2069=20=20=E6=9D=BE=E9=BC=A0=E5=90=83=E6=9E=9C?=
 =?UTF-8?q?=E5=AD=90=20[90'=20Code]?=
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---
 problem/P2069/P2069.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 problem/P2069/P2069.cpp

diff --git a/problem/P2069/P2069.cpp b/problem/P2069/P2069.cpp
new file mode 100644
index 00000000..850ed368
--- /dev/null
+++ b/problem/P2069/P2069.cpp
@@ -0,0 +1,26 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+vector<int> listnode;
+
+int main() {
+    int n, m, k = 1;
+    listnode.clear();
+    cin >> n >> m;
+    for (int i = 0; i < n; i++) {
+        listnode.push_back(i);
+    }
+    for (int i = 1; i <= m; i++) {
+        int t = i * i * i % 5 + 1;
+        k += t;
+        if (k > listnode.size()) {
+            k = t + 1;
+        }
+        if (i != m) {
+            listnode.erase(listnode.begin() + k - 1);
+        }
+    }
+    cout << listnode[k] << endl;
+    return 0;
+}