#include<cstdio>

 #include<cctype>

 #include<algorithm>

 inline int getint() {

     register char ch;

     while(!isdigit(ch=getchar()));

     register int x=ch^'';

     while(isdigit(ch=getchar())) x=(((x<<)+x)<<)+(ch^'');

     return x;

 }

 const int inf=0x7fffffff;

 int main() {

     const int n=getint();

     int ans;

     for(register int i=,min=inf,pos;i<n;i++) {

         const int x=getint();

         if(x<min) {

             min=x;

             pos=i;

             ans=inf;

         } else if(x==min) {

             ans=std::min(ans,i-pos);

             pos=i;

         }

     }

     printf("%d\n",ans);

     return ;

 }