Submission #2865784

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Source Code Expand

#include <bits/stdc++.h>
#define ll long long
#define _for(a,b,i) for(int i=a;i<=b;i++)
#define for1(a,b,i) for(int i=a;i<b;i++)
using namespace std;
int ma=0x80000000;
int mi=0x7fffffff;
const ll zfc=0xffffffff;
const int mod=1e9+7;
inline void input(ll &x)
{
    x=0;
    int f=1;
    char ch=getchar();
    while(!isdigit(ch))
	{
		if(ch=='-')f=-f;
		ch=getchar();
	}
    while(isdigit(ch))
	{
		x=x*10+(ch-'0');
		ch=getchar();
	}
    x*=f;
}
inline void output(ll x)
{
	if(x<0)
    {
        x=-x;
        putchar('-');
    }
    if(x/10>0)output(x/10);
    putchar(x%10+'0');
}
ll n,a;
int main()
{
    input(n);
    _for(1,n,i)
    {
    	input(a);
    	if(a>ma)ma=a;
    	if(a<mi)mi=a;
    }
    cout<<ma-mi<<endl;
    return 0;
}

Submission Info

Judge Result