5. Write a program that creates an array of integers called data of size 100 usi

Question

5. Write a program that creates an array of integers called data of size 100 using malloc; then, set data[100] to zero. What happens when you run this program? What happens when you run this program using valgrind? Is the program correct? 5. Write a program that creates an array of integers called data of size 100 using malloc; then, set data[100] to zero. What happens when you run this program? What happens when you run this program using valgrind? Is the program correct? 5. Write a program that creates an array of integers called data of size 100 using malloc; then, set data[100] to zero. What happens when you run this program? What happens when you run this program using valgrind? Is the program correct?

Explanation / Answer

#include <iostream>
#include <malloc.h>
using namespace std;

int main(){
   int* data = (int*)malloc(sizeof(int) * 100);
   data[100] = 0;
}

#include <iostream>
#include <malloc.h>
using namespace std;

int main(){
   int* data = (int*)malloc(sizeof(int) * 100);
   data[100] = 0;
}

When we run this program, no error will be shown.
But if we run the program using valgrind, we will get an error because data[100] is not allocated.

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