Add 05919.cpp

05xxx/05919.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+#include <cmath>
+#include <numeric>
+#include <vector>
+using namespace std;
+
+void solve(void) {
+  int n; cin >> n;
+  vector<int> v(n);
+  for (int i=0; i<n; i++) cin >> v[i];
+
+  int ans = 0;
+  int avg = accumulate(v.begin(), v.end(), 0) / n;
+  for (int i=0; i<n; i++) ans += abs(v[i] - avg);
+  cout << ans / 2;
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  solve();
+  return 0;
+}