Submission #201629

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
201629	2020-02-11 13:04:43	waynetuinfor	Collecting Stamps 3 (JOI20_ho_t3)	C++17	100 / 100	144 ms	66808 KiB

ho_t3

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#include <algorithm>
#include <array>
#include <iostream>
#include <vector>
int main() {
  int n, l;
  std::cin >> n >> l;
  std::vector<int> x(n + 2, 0), t(n + 2, 0);
  for (int i = 1; i <= n; ++i) std::cin >> x[i];
  for (int i = 1; i <= n; ++i) std::cin >> t[i];
  x[n + 1] = l;
  std::vector<std::vector<std::vector<std::array<int, 2>>>> dp(
      n + 2, std::vector<std::vector<std::array<int, 2>>>(
                 n + 2, std::vector<std::array<int, 2>>(n + 2)));
  constexpr int kInf = 1'000'000'000;
  for (int i = 0; i <= n + 1; ++i) {
    for (int j = 0; j <= n + 1; ++j) {
      for (int k = 0; k <= n + 1; ++k) {
        dp[i][j][k][0] = kInf;
        dp[i][j][k][1] = kInf;
      }
    }
  }
  dp[0][n + 1][0][0] = 0;
  dp[0][n + 1][0][1] = 0;
  for (int i = 0; i <= n + 1; ++i) {
    for (int j = n + 1; j >= 0; --j) {
      for (int k = 0; k <= n + 1; ++k) {
        if (dp[i][j][k][0] != kInf) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75