Question

Structuri repetitive. Se citeste numarul n. sa se calculeze urmatoarea suma S=1+3+5+...+n

Answer 1

#include<iostream>

using namespace std;

int main(){

int n,i,S=0;

cin>>n;

for (i=1;i<=n;i=i+2){

S=S+i;

}

cout<<S;

}