题目描述

开区间

样例

#include <bits/stdc++.h>
using namespace std;
int main(){
    int x, y, n = 0;
    cin >> x >> y;
    if(x > y) swap(x, y);
    for(int i = x + 1;i < y ;i++){
        if(i % 2 != 0) n += i;
    }
    cout << n;
    return 0;
}

include[HTML_REMOVED]

int main()
{
int n,m,s=0;
scanf(“%d%d”,&n,&m);
if(n[HTML_REMOVED]m)
{
m=m+1;
while(m<n)
{
if(m%2!=0)
s+=m;
m++;
}
}
printf(“%d”,s);
return 0;
}