allocation tag

15 questions


1 answers
164 views
0
[C question] How should I release the dynamic allocation in this situation?

#include <stdio.h>#include <stdlib.h>char *Mystrrev(char *string) { int nLength = 0; char *Mystr = NULL; for(int i = 0; string[i] != '\0'; i++) nLength++; Mystr = (char*)calloc(nLength + 1...


2 answers
81 views
0
[C] Can memory dynamic allocation only be allocated to the memory of the pointer?

#include <stdio.h>#include <string.h>#include <stdlib.h>int main(){ char *pszData; char first[20], second[20]; gets_s(first, sizeof(first)); pszData = (char*)malloc(sizeof(first)); s...

2 years ago

2 answers
104 views
0
C++ Dynamic Assignment Structure Pointer, question for use with other functions

Hi, everyone.I made a simple code. I'd like to hear advice from experts who know the problem.#include <iostream>using namespace std;int CountPlayer;struct SUTDA{ char Name[20];};void Input(){ co...


1 answers
91 views
0
Initialize to 2D array element 0.0C language

When you declare a two-dimensional array dynamic assignment and enter the number of rows and columns, you want all the elements in the array to be initialized to 0.0, but I'm not sure what's wrong. vo...


1 answers
144 views
0
When you dynamically assign a C language array...

#include <stdio.h>int main(){ int * arr1 = (int *)malloc(sizeof(int) * 6); int * arr2 = (int *)malloc(sizeof(int) * 6); int * arr3 = (int *)malloc(sizeof(int) * 6); arr1[3][2] = { {3, 4}, {5, ...

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