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Answer to Question #24722 in C++ for parth

Question #24722
...plz tell me which of the output or outputs will be displayed in each one...AND ALSO MENTION HOW CAN U FIND THE OUTPUT RELATED TO SUCH QUESTION ~

1)
#include<iostream.h>
#include<stdlib.h>
const int limit = 4;
void main()
{
randomize();
int points;
points = 100 + random(limit);
for(int p = points ; p>= 0 ;p--)
cout<<p<<"\t";
cout<<endl;
}

possible outputs ----
a)103 102 101 100
b)100 101 102 103
c)100 101 102 103 104
d)104 103 102 101 100


Expert's answer
The command
const int limit =4;
on line 3 sets limit to 4
Then the command
points = 100 +random(limit);
on line 8 sets variable "points" to a number
100 + someinteger number from the interval [0,4), where 4 is not included.
Thus the variable "points" takes one of values:100,101,102,103.Further in the loop
for(int p =points ; p>= 0 ;p--)
in the line 9 the variable "p" will be decreasefrom points to 0 with step 1.
The body of the loop consists of a unique line 10:
cout<<p<<" ";
which prints p.

Hence the reare only 4 possible outputs of the program:

100 99 98 ... 0
101 100 99 98... 0
102 101 100 99 98 ... 0
103 102 101 100 99 98 ... 0
Hence possible output is only a):
a)103 102 101100
Since in
b)100 101 102103
c)100 101 102103 104
the numbers increase,

and in
d)104 103 102101 100
the sequence starts from 104
Thus the answer is a)

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