Noic - Iniciante - Semana 52 - Problema 1

noic-iniciante-s52-p1.cpp

// Noic - Iniciante - Semana 52 - Problema 1
// O(1)

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
    int x1, y1, x2, y2;

    scanf("%d %d %d %d", &x1, &y1, &x2, &y2);

    printf("%d\n", max(abs(x1-x2), abs(y1-y2)));
}