#include<iostream> #include<cmath> long long a[100001]; long long n; long long mn; using namespace std; int main(){ cin>>n; for(long long i = 0;i < n;i++){ cin>>a[i]; } mn = abs(a[0] - a[1]); for(long long i = 0;i < n;i++){//1 for(long long j = i+1;j < n;j++){//1 if(mn > abs(a[i] - a[j])){ mn = abs(a[i] - a[j]); } } } cout<<mn; }