when would i need to allocate memory in C? explain simple

Tired Tarantula answered on July 20, 2023 Popularity 8/10 Helpfulness 2/10

answer when would i need to allocate memory in C? explain simple

when would i need to allocate memory in C? explain simple

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#include <stdio.h>
#include <stdlib.h>

int main() {
    int numNames;
    printf("Enter the number of names you want to store: ");
    scanf("%d", &numNames);

    // Allocate memory to store 'numNames' strings, each with a maximum of 100 characters.
    char** names = (char**)malloc(numNames * sizeof(char*));
    for (int i = 0; i < numNames; i++) {
        names[i] = (char*)malloc(100 * sizeof(char));
        printf("Enter name %d: ", i + 1);
        scanf("%s", names[i]);
    }

    // Display the names.
    printf("Names you entered:\n");
    for (int i = 0; i < numNames; i++) {
        printf("%s\n", names[i]);
    }

    // Don't forget to free the allocated memory when you're done using it.
    for (int i = 0; i < numNames; i++) {
        free(names[i]);
    }
    free(names);

    return 0;
}

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Contributed on Jul 20 2023

Tired Tarantula

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when would i need to allocate memory in C? explain simple

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