c++ 代码改错: #include <iostream> using namespace std; int main() { int n, minn = 0, num = 0, a[100]; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; if (a[i] < minn) { minn = a[i]; } } for (int i = 1; i <= n; i++) { if (a[i] / minn == 0) { num++; } } cout << num; return 0; } 这段代码是计算n个数字中,最小的数字能够整除他们之中多少个数字。例如5个数字2、2、5、4、6,最小的数字是2,能够整除2、2、4、6这4个数字。请你把这段代码修改正确。 输入: 第一行输入一个数字n(1<=n<=90)。 第二行输入n个数字(1<=a[i]<=100)。 输出: 一个数,为这n个数中能被最小数整除的数字个数。
```cpp #include <iostream> using namespace std; int main() { int n, minn = 101, num = 0, a[100]; cin >> n; // 获取输入数字并找出最小值 for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] < minn) { minn = a[i]; } } // 统计能被最小数整除的数字个数 for (int i = 0; i < n; i++) { if (a[i] % minn == 0) { num++; } } cout << num; return 0; } ``` 代码修改点解释 1. 数组索引从0开始:C++中数组的索引是从0开始的,所以将循环的起始索引从1改为0,即`for (int i = 0; i < n; i++)`。 2. 初始化最小值:`minn`初始化为0不正确,因为输入范围是`1 <= a[i] <= 100`,为了能正确找出最小值,`minn`初始化为101(大于输入的最大值)更合适。 3. 整除判断:原代码中`a[i] / minn == 0`判断逻辑有误,该判断只能判断`a[i]`小于`minn`的情况。判断整除应该使用`a[i] % minn == 0`,即判断`a[i]`除以`minn`的余数是否为0。 [2026-01-16 19:30:58 | AI问答 | 367点数解答]
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