#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
/* Enter your code here. Read input from STDIN. Print output to STDOUT */
int a, b, c ;
cin >> a >> b >> c ;
cout << a + b + c << endl ;
return 0;
}
Objective
In this challenge, we practice reading input from stdin and printing output to stdout.
In C++, you can read a single whitespace-separated token of input using cin, and print output to stdout using cout. For example, let's say we declare the following variables:
string s;
int n;
and we want to use cin to read the input "High 5" from stdin. We can do this with the following code:cin >> s >> n;
This reads the first word ("High") from stdin and saves it as string s
, then reads the second word ("5") from stdin and saves it as integer n
. If we want to print these values to stdout, separated by a space, we write the following code:cout << s << " " << n << endl;
This code prints the contents of string s
, a single space (" "
), then the integer n
. We end our line of output with a newline using endl. This results in the following output:High 5
Task
Read 3 numbers from stdin and print their sum to stdout.
Input Format
One line that contains 3 space-separated integers: a, b, and c.
Constraints
1<= a, b, c, <= 1000
Output Format
Print the sum of the three numbers on a single line.
Sample Input1 2 7
Sample Output10
Explanation
The sum of the three numbers is 1 + 2 + 7 =10.