제출 #87783

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
87783	2018-12-02 14:42:22	JustInCase	Brunhilda’s Birthday (BOI13_brunhilda)	C++17	100 / 100	553 ms	44272 KiB

brunhilda

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#include <bits/stdc++.h>
const int32_t MAX_N = 1e7 + 1e6;
int32_t dp[MAX_N + 5];
int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);
  int32_t m, q;
  std::cin >> m >> q;
  int64_t lcm = 1;
  for(int32_t i = 0; i < m; i++) {
    int32_t p;
    std::cin >> p;
    for(int32_t j = p - 1; j <= MAX_N; j += p) {
      dp[j] = p - 1;
    }
    if(lcm < MAX_N) {
      lcm *= (int64_t) p;
    }
  }
  for(int32_t i = MAX_N - 1; i >= 1; i--) {
    dp[i] = std::max(dp[i], dp[i + 1] - 1);
  }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 60 / 60