简单题
View Code
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;
int main()
{
//freopen("t.txt", "r", stdin);
int a, b;
scanf("%d%d", &a, &b);
if (a == 0 && b == 0)
{
printf("Impossible\n");
return 0;
}
if (a > b)
swap(a, b);
int i = 1, ans = 0;
while (1)
{
int d = i * i;
if (d > a + b)
break;
if (a >= d / 2)
ans = i;
i++;
}
printf("%d\n", ans);
return 0;
}