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Submission #1087124

# Submission time Handle Problem Language Result Execution time Memory
1087124 2024-09-12T08:34:57 Z avighna Lasers (NOI19_lasers) C++17
41 / 100
 1000 ms 262144 KB 
#include <bits/stdc++.h>

typedef long long ll;

int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);

  ll l, r;
  std::cin >> l >> r;
  std::vector<bool> good(r);
  ll good_sum = 0;
  std::priority_queue<std::pair<ll, ll>, std::vector<std::pair<ll, ll>>,
                      std::greater<>>
      pq;
  std::vector<ll> left(r), sum(r);
  std::vector<std::deque<ll>> rows(r);
  for (ll cnt = 0; cnt < r; ++cnt) {
    auto &v = rows[cnt];
    ll len;
    std::cin >> len;
    v.resize(len);
    for (auto &i : v) {
      std::cin >> i;
    }
    sum[cnt] = std::accumulate(v.begin(), v.end(), 0LL);
    pq.push({left[cnt] + v[0], cnt});
    v.pop_front();
    if (1 < l - (sum[cnt] - left[cnt]) + 1) {
      good[cnt] = true;
      good_sum++;
    } else {
      good[cnt] = false;
    }
  }

  ll ans = 0;
  for (ll _i = 1; _i <= l; ++_i) {
    while (!pq.empty() and pq.top().first < _i) {
      auto [l, i] = pq.top();
      pq.pop();
      left[i] = l;
      // x blocks from right ==> l - x + 1 from left
      good_sum -= good[i];
      if (_i < l - (sum[i] - left[i]) + 1) {
        good[i] = true;
        good_sum++;
      } else {
        good[i] = false;
      }
      if (!rows[i].empty()) {
        pq.push({left[i] + rows[i][0], i});
        rows[i].pop_front();
      }
    }
    ll gs = 0;
    for (ll j = 0; j < r; ++j) {
      gs += _i < l - (sum[j] - left[j]) + 1;
    }
    ans += gs != r;
  }
  std::cout << ans << '\n';
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1062 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1062 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3420 KB Output is correct
2 Correct 7 ms 1192 KB Output is correct
3 Correct 8 ms 1416 KB Output is correct
4 Correct 22 ms 3584 KB Output is correct
5 Correct 17 ms 1864 KB Output is correct
6 Correct 27 ms 4552 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 33 ms 5212 KB Output is correct
9 Correct 14 ms 2140 KB Output is correct
10 Correct 25 ms 3828 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 2 ms 1128 KB Output is correct
8 Correct 2 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 0 ms 344 KB Output is correct

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 3420 KB Output is correct
2 Correct 7 ms 1192 KB Output is correct
3 Correct 8 ms 1416 KB Output is correct
4 Correct 22 ms 3584 KB Output is correct
5 Correct 17 ms 1864 KB Output is correct
6 Correct 27 ms 4552 KB Output is correct
7 Correct 3 ms 348 KB Output is correct
8 Correct 33 ms 5212 KB Output is correct
9 Correct 14 ms 2140 KB Output is correct
10 Correct 25 ms 3828 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 2 ms 1128 KB Output is correct
18 Correct 2 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Runtime error 96 ms 262144 KB Execution killed with signal 9
22 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1062 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -