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Submission #430134

# Submission time Handle Problem Language Result Execution time Memory
430134 2021-06-16T11:40:12 Z rama_pang Coin Collecting (JOI19_ho_t4) C++17
100 / 100
 70 ms 1868 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);

  int N;
  cin >> N;
  long long ans = 0;
  vector<vector<int>> need(3, vector<int>(N + 1));
  for (int i = 1; i <= 2; i++) {
    for (int j = 1; j <= N; j++) {
      need[i][j] = -1;
    }
  }
  for (int i = 0; i < 2 * N; i++) {
    int x, y;
    cin >> x >> y;
    if (x < 1) ans += 1 - x;
    if (x > N) ans += x - N;
    x = clamp(x, 1, N);
    if (y < 1) ans += 1 - y;
    if (y > 2) ans += y - 2;
    y = clamp(y, 1, 2);
    need[y][x] += 1;
  }

  vector<int> flow(3);
  for (int p = 1; p <= N; p++) {
    flow[1] += need[1][p];
    flow[2] += need[2][p];
    if (flow[1] < 0 && flow[2] > 0) {
      swap(flow[1], flow[2]);
      swap(need[1], need[2]);
    }
    if (flow[1] > 0 && flow[2] < 0) {
      int f = min(abs(flow[1]), abs(flow[2]));
      flow[1] -= f;
      flow[2] += f;
      ans += f;
    }
    ans += abs(flow[1]);
    ans += abs(flow[2]);
  }

  assert(flow[1] == 0 && flow[2] == 0);
  cout << ans << '\n';
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 2 ms 204 KB Output is correct
38 Correct 2 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 2 ms 204 KB Output is correct
62 Correct 2 ms 204 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 332 KB Output is correct

Subtask #3
63.0 / 63.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 2 ms 204 KB Output is correct
38 Correct 2 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 1 ms 204 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 1 ms 204 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 1 ms 204 KB Output is correct
56 Correct 1 ms 204 KB Output is correct
57 Correct 1 ms 204 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Correct 2 ms 204 KB Output is correct
62 Correct 2 ms 204 KB Output is correct
63 Correct 1 ms 332 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 37 ms 1868 KB Output is correct
66 Correct 70 ms 1868 KB Output is correct
67 Correct 51 ms 1868 KB Output is correct
68 Correct 51 ms 1868 KB Output is correct
69 Correct 59 ms 1868 KB Output is correct
70 Correct 54 ms 1868 KB Output is correct
71 Correct 53 ms 1796 KB Output is correct
72 Correct 52 ms 1868 KB Output is correct
73 Correct 51 ms 1868 KB Output is correct
74 Correct 52 ms 1868 KB Output is correct
75 Correct 50 ms 1868 KB Output is correct
76 Correct 49 ms 1868 KB Output is correct
77 Correct 50 ms 1868 KB Output is correct
78 Correct 50 ms 1868 KB Output is correct
79 Correct 49 ms 1868 KB Output is correct
80 Correct 54 ms 1868 KB Output is correct
81 Correct 50 ms 1868 KB Output is correct
82 Correct 54 ms 1868 KB Output is correct
83 Correct 51 ms 1868 KB Output is correct
84 Correct 50 ms 1868 KB Output is correct
85 Correct 50 ms 1868 KB Output is correct
86 Correct 59 ms 1868 KB Output is correct
87 Correct 54 ms 1868 KB Output is correct
88 Correct 54 ms 1868 KB Output is correct
89 Correct 51 ms 1868 KB Output is correct
90 Correct 53 ms 1868 KB Output is correct
91 Correct 67 ms 1868 KB Output is correct
92 Correct 55 ms 1868 KB Output is correct
93 Correct 50 ms 1868 KB Output is correct
94 Correct 53 ms 1868 KB Output is correct
95 Correct 50 ms 1868 KB Output is correct
96 Correct 48 ms 1868 KB Output is correct
97 Correct 49 ms 1868 KB Output is correct
98 Correct 49 ms 1868 KB Output is correct
99 Correct 52 ms 1868 KB Output is correct
100 Correct 52 ms 1868 KB Output is correct
101 Correct 53 ms 1868 KB Output is correct
102 Correct 51 ms 1868 KB Output is correct
103 Correct 51 ms 1868 KB Output is correct