Submission #931220

#	Time	Username	Problem	Language	Result	Execution time	Memory
931220		hugsfromadicto	Mean (info1cup19_mean)	C++14	0 / 100	0 ms	348 KiB

mean

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int M = 1e18;
const int mxN = 205;
int a[mxN];

void _()
{
    int n;
    cin >> n;
    for(int i = 0; i < n; ++i)
        cin >> a[i];
    int sm = a[0];
    for(int i = 1; i < n; ++i)
    {
        sm = (a[i] + sm) / 2;
    }
    cout << sm;

}

main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);

  int tc = 1;
  //cin>>tc;
  while(tc--)
  {
      _();
  }

}

Compilation message (stderr)

mean.cpp:24:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   24 | main()
      | ^~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70