Submission #620890

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
620890	2022-08-03 10:07:07	dozer	Diversity (CEOI21_diversity)	C++14	14 / 100	2442 ms	5676 KiB

diversity

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#include <bits/stdc++.h>
using namespace std;
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define sp " "
#define endl "\n"
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define N 300005
#define modulo 1000000007
#define int long long
const int INF = 2e18 + 7;
int arr[N], cnt[N];
int f(int sz, int n, int mask, int ind)
{
  if (ind > sz) return 0;
  int ans = INF;
  for (int i = 0; i < n; i++)
  {
    if (mask & (1<<i)) continue;
    int fin = ind + cnt[i + 1] - 1;
    int tmp = (sz * (sz + 1)) / 2 - (((ind - 1) * ind) / 2 + ((sz - fin) * (sz - fin + 1)) / 2);
    ans = min(ans, tmp + f(sz, n, mask | (1<<i), fin + 1));
  }
  return ans;
}
 
 
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Compilation message (stderr)

diversity.cpp: In function 'int32_t main()':
diversity.cpp:47:7: warning: unused variable 'counter' [-Wunused-variable]
   47 |   int counter = 1;
      |       ^~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 10 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 16
• Subtask 5: 0 / 26
• Subtask 6: 0 / 36