oj.uz

답안 #331875

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
331875 2020-11-30T15:04:44 Z valerikk Restore Array (RMI19_restore) C++17
100 / 100
 403 ms 876 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int E = 20020;

int from[E], to[E], cost[E], edges = 0;

int add_edge(int u, int v, int w) {
  from[edges] = u;
  to[edges] = v;
  cost[edges] = w;
  return edges++;
}

const int N = 5007;
const int INF = 10001000;

int n, dist[N];

bool ford_bellman() {
  dist[0] = 0;
  for (int i = 1; i <= n; ++i) {
    dist[i] = INF;
  }
  for (int i = 0; i < n; ++i) {
    bool found = false;
    for (int e = 0; e < edges; ++e) {
      if (dist[from[e]] != INF && dist[from[e]] + cost[e] < dist[to[e]]) {
        found = true;
        dist[to[e]] = dist[from[e]] + cost[e];
      }
    }
    if (i == n - 1 && found) {
      return false;
    }
  }
  return true;
}

int main() {
#ifdef ONPC
  freopen("input.txt", "r", stdin);
#endif
  ios::sync_with_stdio(false);
  cin.tie(0);
  int m;
  cin >> n >> m;
  while (m--) {
    int l, r, k, val;
    cin >> l >> r >> k >> val;
    ++r;
    if (val == 0) {
      add_edge(l, r, r - l - k);
    } else {
      add_edge(r, l, -(r - l - k + 1));
    }
  }
  for (int i = 0; i < n; ++i) {
    add_edge(i, i + 1, 1);
    add_edge(i + 1, i, 0);
  }
  if (ford_bellman()) {
    for (int i = 1; i <= n; ++i) {
      cout << (dist[i] != dist[i - 1]) << " "[i == n];
    }
    cout << '\n';
  } else {
    cout << "-1\n";
  }
  return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 142 ms 748 KB Output is correct
2 Correct 140 ms 876 KB Output is correct
3 Correct 135 ms 748 KB Output is correct
4 Correct 142 ms 876 KB Output is correct
5 Correct 355 ms 748 KB Output is correct
6 Correct 330 ms 748 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 142 ms 748 KB Output is correct
2 Correct 140 ms 876 KB Output is correct
3 Correct 135 ms 748 KB Output is correct
4 Correct 142 ms 876 KB Output is correct
5 Correct 355 ms 748 KB Output is correct
6 Correct 330 ms 748 KB Output is correct
7 Correct 146 ms 748 KB Output is correct
8 Correct 152 ms 864 KB Output is correct
9 Correct 142 ms 748 KB Output is correct
10 Correct 135 ms 748 KB Output is correct
11 Correct 362 ms 640 KB Output is correct
12 Correct 403 ms 748 KB Output is correct
13 Correct 144 ms 800 KB Output is correct
14 Correct 139 ms 876 KB Output is correct
15 Correct 144 ms 876 KB Output is correct
16 Correct 151 ms 748 KB Output is correct

Subtask #4
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 142 ms 748 KB Output is correct
12 Correct 140 ms 876 KB Output is correct
13 Correct 135 ms 748 KB Output is correct
14 Correct 142 ms 876 KB Output is correct
15 Correct 355 ms 748 KB Output is correct
16 Correct 330 ms 748 KB Output is correct
17 Correct 146 ms 748 KB Output is correct
18 Correct 152 ms 864 KB Output is correct
19 Correct 142 ms 748 KB Output is correct
20 Correct 135 ms 748 KB Output is correct
21 Correct 362 ms 640 KB Output is correct
22 Correct 403 ms 748 KB Output is correct
23 Correct 144 ms 800 KB Output is correct
24 Correct 139 ms 876 KB Output is correct
25 Correct 144 ms 876 KB Output is correct
26 Correct 151 ms 748 KB Output is correct
27 Correct 134 ms 748 KB Output is correct
28 Correct 135 ms 748 KB Output is correct
29 Correct 134 ms 876 KB Output is correct
30 Correct 139 ms 876 KB Output is correct
31 Correct 132 ms 748 KB Output is correct
32 Correct 133 ms 780 KB Output is correct
33 Correct 361 ms 876 KB Output is correct
34 Correct 361 ms 876 KB Output is correct
35 Correct 159 ms 748 KB Output is correct
36 Correct 135 ms 748 KB Output is correct