Submission #1108880

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Source Code Expand

#include <iostream>
using namespace std;
int main(void){
    // Here your code !
    int n,t = 0,a;
    double res = 0;
    cin >> n >> t;
    for(int i = 0; i < n; i++){
        cin >> a;
        res += a - t;
        t = a;
    }
    printf("%.7lf\n",res/(n-1));
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:31: error: ‘printf’ was not declared in this scope