Submission #51311

#	Time	Username	Problem	Language	Result	Execution time	Memory
51311		KieranHorgan	Orchard (NOI14_orchard)	C++17	8 / 25	1078 ms	8428 KiB

orchard

#pragma GCC optimize("O3")
#include <bits/stdc++.h>

using namespace std;
#define endl '\n'
#define ll long long
#define int long long
#define ld long double
#define pii pair<int,int>
#define rand() abs((rand()<<15)|rand())
#define randll() abs(((long long)rand()<<30)|rand())

signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long seed;
  asm("rdtsc" : "=A"(seed));
  srand(seed);

  int n, m;
  cin >> n >> m;

  if(n == 1) {
    vector<int> grid(m+1, 0);
    int totalOnes = 0;
    for(int i = 1; i <= m; i++) {
      cin >> grid[i];
      if(grid[i]) {
        totalOnes++;
      }
    }
    for(int i = 1; i <= m; i++)
      grid[i] += grid[i-1];

    int ans = 1ll<<29;
    for(int i = 1; i <= m; i++) {
      for(int j = i; j <= m; j++) {
        int sz = j+1-i;
        int ins = grid[j]-grid[i-1];
        int cur = 0;
        cur += sz-ins;
        cur += totalOnes-ins;
        ans = min(ans, cur);
      }
    }
    cout << ans << endl;
  } else {

  }
}

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 0 / 5
• Subtask 4: 0 / 3
• Subtask 5: 0 / 4
• Subtask 6: 0 / 5