#include <stdio.h>

int ChangeValuesP(int *param1, int *param2)
{
    int t1 = 15;
    int t2 = 15;
    *param1 = t1;
    *param2 = t2;
    return 3;
}

int ChangeValues(int param1, int param2)
{
    param1 = 100;
    param2 = 100;
    return 300;
}

int main()
{
    int param1 = 10;
    int param2 = 10;
    int res1 = ChangeValuesP(&param1,&param2);

    printf("[1] %d | %d | %d | \n", res1, param1, param2);

    param1 = 10;
    param2 = 10;

    int res2 = ChangeValues(param1, param2);

    printf("[1] %d | %d | %d | \n", res2, param1, param2);

}