poj 2101 Honey and Milk Land

#include <iostream>#include <cstdio>#include <cstdlib>#include <cstring>#include <cmath>using namespace std;int n, m;int main(){    int x, y;    scanf("%d%d", &n, &m);    x = 0;    y = 0;    for (int i = 0; i < n - 1; i++)    {        int a;        scanf("%d", &a);        x += a;    }    for (int i = 0; i < m - 1; i++)    {        int a;        scanf("%d", &a);        y += a;    }    printf("%dn", (int)ceil(sqrt(x * x + y * y)));    return 0;}