#include<bits/stdc++.h> using namespace std; int main() { int n,a[20],mi = 0,ma = 0; cin>>n; int i; for(i = 0; i < n; i++) { cin>>a[i]; if(a[i] < a[mi]){ mi = i; } if(a[i] > a[ma]){ ma = i; } } cout<<a[ma]-a[mi]<<endl; for(i = 0; i < n; i++) { if(a[i] == a[mi]){ cout<<i+1<<" "; } } } /************************************************************** Problem: 1818 User: linzihang Language: C++ Result: Accepted Time:9 ms Memory:2072 kb ****************************************************************/