#include <stdio.h>

int foo(int&p);

///////////////////////////////////////////
int main()
{

    int mas[99] = {10,20,40,55};

    int &r1 = mas[1];      ///  int &r1 = mas[2];  DZ

    printf("%d\n", foo(r1));
}


///////////////////////////////////////////   125
int foo(int &r2)
{

    int nSum = 0;

        nSum += r2;

    int *p = &r2;

        nSum += p[ 1];
        nSum += p[ 2];
        nSum += p[-1];

return nSum;                 //   125
}





























/*

#include <stdio.h>


////////////////////////////////////
int main()
{

    int nArr[5] = {10, 11, 12, 13, 14};

    int* p = &nArr[2];

    int &p1 = *p;

    printf("%d\n%d\n   ", *p, p1);
}


*/