What is a C program to print the number of an array in reverse order?

Answer 1

#include<iostream>

#include<vector>

int main()

{

std::vector<int> Array;

Array.push_back (42); // insert

Array.pop_back(); // delete

}

Answer 2

#include

#include

void print_array(std::vector& arr)

{

std::cout<<"Array elements:\n"<

for( size_t index=0; index

std::cout<<"Element "<

std::cout<

}

void print_duplicates(std::vector& arr)

{

// Loop through all but the last element

for( size_t index=0; index

{

// Compare the indexed value with all remaining values

for( size_t compare=index+1; compare

{

if( arr[index]==arr[compare] )

{

std::cout<<"Element "<

// Duplicate found, no need to check remaining elements.

break;

}

}

}

}

int main()

{

std::vector arr;

// Push 10 values in range 0 to 8 (guarantees at least one duplicate value):

for(size_t index=0; index<10; ++index)

arr.push_back(rand()%9);

print_array(arr);

print_duplicates(arr);

}

Output

Array elements:

Element 0 has value 5

Element 1 has value 8

Element 2 has value 7

Element 3 has value 4

Element 4 has value 8

Element 5 has value 1

Element 6 has value 3

Element 7 has value 0

Element 8 has value 7

Element 1 contains a duplicate value 8

Element 2 contains a duplicate value 7

Press any key to continue . . .

Answer 3

int count(const std::vector<int>& v, const int num)

{

int total = 0;

for( std::vector<int>::const_iterator i=v.begin(); i!=v.end(); ++i )

if( *i == num )

++total;

return( total );

}

Answer 4

What is the number of an array<question mark>