Submission #48154

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
48154	2018-05-10 10:58:11	square1001	Bali Sculptures (APIO15_sculpture)	C++14	100 / 100	601 ms	1160 KiB

sculpture

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#include <bitset>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
  int N, A, B;
  cin >> N >> A >> B;
  vector<int> v(N);
  for (int i = 0; i < N; i++) cin >> v[i];
  long long ret = 0;
  for (int i = 40; i >= 0; i--) {
    vector<bitset<2001> > dp(N + 1);
    dp[0] = 1;
    for (int j = 1; j <= N; j++) {
      long long cur = 0;
      for (int k = j - 1; k >= 0; k--) {
        cur += v[k];
        if (((cur >> (i + 1)) | ret) == ret && !((cur >> i) & 1)) {
          dp[j] |= dp[k] << 1;
        }
      }
    }
    bool ok = false;
    for (int j = A; j <= B; j++) {
      ok = ok || dp[N][j];
    }
    ret <<= 1;
    if (!ok) ret++;
  }
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 29 / 29