제출 #1121713

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1121713		vjudge1	Ice Hockey World Championship (CEOI15_bobek)	C++17	0 / 100	1080 ms	20400 KiB

bobek

#include <iostream>
#include <unordered_map>
using namespace std;

int main() {

  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);

  int64_t n, m, price, ans = 0;
  cin >> n >> m;

  unordered_map<int64_t, int64_t> dp;
  dp[0] = 1;
  while (n--) {
    cin >> price;

    for (int64_t i = m; i >= price; i--) {
      if (dp.find(i - price) == dp.end()) {
        continue;
      }

      dp[i] += dp.at(i - price);

      if (n == 0) {
        ans += dp.at(i);
      }
    }
  };

  cout << ans << '\n';
  return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10