题解

#include <iostream>
using namespace std;
int main(){
    int a[4],s[9];
    for (int i=1;i<=8;i++){
        int max=-100000000,min=1000000000;
        for (int j=1;j<=3;j++){
            cin>>a[j];
            if (a[j]>max)
                max=a[j];
            if (a[j]<min)
                min=a[j];
        }s[i]=max-min;
    }int max=-100000000,min=1000000000;
    for (int i=1;i<=8;i++){
        if (s[i]>max)
            max=s[i];
        if (s[i]<min)
            min=s[i];
    }cout<<max-min;
    return 0;
}