int a = 4;
int* pa = &a;
std::cout << sizeof(pa);

void f(int* array) {    
    int* buf = new int[4];    
    for (int i = 0; i < 3; i++) {    
        buf[i] = array[i]+1;    
    }    
    delete[]array;    
    array = buf;
}    
int main(){    
    int* array = new int[3];    
    for (int i = 0; i < 3; i++) {    
        array[i] = i;    
    }    
    f(array);    
    std::cout << array[2];
}

int array[3][2] = { {1,2},{3,4},{5,6} };     
for (int i = 0; i < 2; i++) {     
    for (int j = 2; j >= 0; j--) {     
        std::cout << array[i][j]<<" ";     
    }     
    std::cout << " : ";     
}