Answer / jon doe

C style answer:

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

int main(int argc, char *argv[]) {
// create array with 5 elements
int *array5 = (int *) calloc(5, sizeof(int));
for(int i = 0; i < 5; ++i) {
array5[i] = rand();
}

// resize array
int *array4 = (int *) realloc(array5, 4 * sizeof(int));

for(int i = 0; i < 4; ++i) {
printf("%d) %d
", i, array4[i]);
}

free(array4);

return EXIT_SUCCESS;
}

C++ style answer:

int main(int argc, char *argv[]) {
// create array with 5 elements
int *array5 = new int[5]();
for(int i = 0; i < 5; ++i) {
array5[i] = rand();
}

// resize array
int *array4 = new int[4];
// copy array via loop. Alternative: use an array-copy function such as memcpy() for C or java.lang.System.arraycopy() for Java
for(int i = 0; i < 4; ++i) {
array4[i] = array5[i];
}
delete[] array5; // not used anymore

// print array
for(int i = 0; i < 4; ++i) {
printf("%d) %d
", i, array4[i]);
}

delete[] array4;

return EXIT_SUCCESS;
}

hai..friends ....what is the difference between function and sub procedure ....here every one know's theoretically here my question is what is the meaning of function can return the value and sub can't return the value...can you give one example with some values for that ....what does it mean ? how function can return the value...sub can not...any one please...........with example

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