impares.cpp

#include <iostream>
using namespace std; 
int main() {
 
    int x, y, aux, soma=0;
    
    cin >> x >> y;
    
    //Ordenar as variáveis:
    
    if(x > y){
        aux = x;
        x = y;
        y = aux;
    }
    
    for(int i = (x+1); i < y; i++){
        if(i%2!=0){
            soma+=i;
        }
    }
    
    cout << soma << "\n";
 
    return 0;
}