From 733514751c86d4206e8ce3941a6ccc1c12c48d8d Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Fri, 1 Apr 2022 14:43:04 +0800
Subject: [PATCH] =?UTF-8?q?1258.=20=E6=95=B0=E5=AD=97=E9=87=91=E5=AD=97?=
 =?UTF-8?q?=E5=A1=94?=
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http://ybt.ssoier.cn:8088/statusx.php?runidx=15554681
---
 ybt/1258/1258.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 ybt/1258/1258.cpp

diff --git a/ybt/1258/1258.cpp b/ybt/1258/1258.cpp
new file mode 100644
index 00000000..d16e8d40
--- /dev/null
+++ b/ybt/1258/1258.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1005;
+
+int r, g[N][N], f[N][N], ans;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> r;
+    for (int i = 1; i <= r; i++) {
+        for (int j = 1; j <= i; j++) {
+            cin >> g[i][j];
+        }
+    }
+
+    for (int i = 1; i <= r; i++) {
+        for (int j = 1; j <= i; j++) {
+            f[i][j] = std::max(f[i - 1][j - 1], f[i - 1][j]) + g[i][j];
+        }
+    }
+
+    for (int i = 1; i <= r; i++) {
+        ans = std::max(ans, f[r][i]);
+    }
+    cout << ans << endl;
+
+    return 0;
+}