Submission #89491

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
89491	2018-12-15 06:26:36	antimirage	Gift (IZhO18_nicegift)	C++17	100 / 100	870 ms	137560 KiB

nicegift

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#include <bits/stdc++.h>
#define pb emplace_back
#define mk make_pair
#define fr first
#define sc second
using namespace std;
const int N = 1e6 + 5;
int n, k, sz, l[N];
long long sum, ar[N], mx, cn, mn[N];
vector < pair <long long, int> > vec[N];
vector < vector <int> > ans;
main()
{
  cin >> n >> k;
  for (int i = 1; i <= n; i++)
    scanf("%lld", &ar[i]), sum += ar[i], mx = max(mx, ar[i]);
    
  if (mx > sum / k || sum % k != 0){
    puts("-1");
    return 0;
  }
  sum /= k;
 
 
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Compilation message (stderr)

nicegift.cpp:20:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
nicegift.cpp: In function 'int main()':
nicegift.cpp:24:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &ar[i]), sum += ar[i], mx = max(mx, ar[i]);
   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 51 / 51