#include<bits/stdc++.h> using namespace std; int main() { int a; cin>>a; int c=0;//最大值 int d=1000;//最小值 for(int i=1;i<=a;i++) { int b; cin>>b; if(b<d) { d=b; } else if(b>c) { c=b; } } int z=c-d; cout<<z; return 0; }
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