POJ 2101

#include <iostream>
#include <algorithm>
#include <cmath>
using namespace std;

int main()
{
    //freopen("acm.acm","r",stdin);
    int n;
    int m;
    int i;
    double tem;
    double sum_1 = 0;
    double sum_2 = 0;
    cin>>n>>m;
    for(i = 0; i < n-1; ++ i)
    {
        cin>>tem;
        sum_1 += tem;
    }
    for(i = 0; i < m-1; ++ i)
    {
        cin>>tem;
        sum_2 += tem;
    }

    sum_1 = sqrt(sum_1*sum_1 + sum_2*sum_2);
    cout<<ceil(sum_1)<<endl;
}