问题标签 [nspointerarray]

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0 投票
1 回答
33 浏览

c - How to hand over values to a double-pointer and print the values out as if it would be an multidimensional array? (C)

I have following struct defined which I can not change:

I initialized it in the main function like that:

I try to assign a value to a certain element of the multidimensional array and also to print the value out- which doesn't work:

What am I doing wrong here? Many Thanks

0 投票
1 回答
50 浏览

c++ - 我在 C++ 中二维数组的动态内存分配中遇到了一些奇怪的代码?请解释一下这是什么?

代码:-p = new int *[5];
其中 p 是一个指针并声明为int **P;

请解释一下为什么*在 new 和 [5] 之间有一个。

0 投票
1 回答
77 浏览

arrays - C 指向数组的指针

我正在学习 C 中的指针。当我声明时:

它打印出来eello

但是当我执行以下操作时:

它在 C# 中编译,但程序崩溃。你能帮我弄清楚当我执行程序时堆栈中发生了什么吗?