Submission #1993206

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Source Code Expand

#include <math.h>
#include <ctype.h>
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, n) for (int i = a; i < n; i++)
#define REP(i, n) for(int i = 0; i < n; i++)
struct omt{omt(){ios::sync_with_stdio(false);cin.tie(0);}}star;

int main(){
    int n;
    cin >> n;
    set<int> st;
    REP(i, n){
        int tmp;
        cin >> tmp;
        st.insert(tmp);
    }
    int A[st.size()], i = 0;
    for(auto &x : st){
        A[i] = x;
        i++;
    }
    int ans = 0;
    FOR(i, 1, st.size()){
        ans += A[i] - A[i - 1];
    }
    cout << ans << endl;

    return 0;
}

Submission Info

Judge Result