Question

Write a program to display sum of first 20 odd numbers using for loop in c++
please answer fast!!

Answer 1

*answer*

Method 1 :

#include <iostream>

using namespace std;

int main() {

int a=2,s; //we know 2 is the smallest even number.

while(a<=30) { s+=a; a+=2; }

cout<<s;

return 0;

}

Explanation:

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