From d02b7c9cd3dbfee77cfa9a9652c111b1513804c2 Mon Sep 17 00:00:00 2001
From: XiaoLFeng <gm@x-lf.cn>
Date: Thu, 15 Jun 2023 22:46:24 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BB=E7=A8=8B=E5=BA=8F?=
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---
 main.cpp | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 main.cpp

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..d49cafc
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,42 @@
+#include <cstdio>
+
+// 给你一个整数数组 nums，请你选择数组的两个不同下标 i 和 j，使 (nums[i]-1)*(nums[j]-1) 取得最大值。
+// 请你计算并返回该式的最大值。
+int maxProduct(int nums[], int numsSize) {
+    int MaxNumber = 0;
+    for (int i = 0; i < numsSize; ++i) {
+        for (int j = 0; j < numsSize; ++j) {
+            if (i == j) continue;
+            if ((nums[i] - 1) * (nums[j] - 1) > MaxNumber) {
+                MaxNumber = (nums[i] - 1) * (nums[j] - 1);
+            }
+        }
+    }
+    return MaxNumber;
+}
+
+int main() {
+    while (true) {
+        int numsSize;
+        printf("[INFO] 请输入数组大小: ");
+        scanf("%d", &numsSize);
+        if (numsSize == -1) break;
+        if (numsSize <= 1) {
+            printf("[WARNING] 无法完成计算，最少需要2位数\n\n");
+            continue;
+        }
+        getchar();
+        printf("[INFO] 请输入数组内容（中间使用逗号隔开）: ");
+        int nums[numsSize];
+        for (int i = 0; i < numsSize - 1; ++i) {
+            scanf("%d,", &nums[i]);
+        }
+        scanf("%d", &nums[numsSize - 1]);
+        getchar();
+        // upload data to maxProduct function
+        printf("[OUTPUT] 输出结果: %d\n", maxProduct(nums, numsSize));
+        printf("\n");
+    }
+    printf("[SYSTEM] 已退出\n");
+    return 0;
+}
\ No newline at end of file