oj.uz

Submission #224583

# Submission time Handle Problem Language Result Execution time Memory
224583 2020-04-18T13:00:11 Z Nightlight Pilot (NOI19_pilot) C++14
100 / 100
 770 ms 55196 KB 
#include <bits/stdc++.h>
#define pii pair<int, int>
#define val first
#define id second
using namespace std;

int N, K;
long long sz[1000005];
int par[1000005];
pii H[1000005], Q[1000005];
bitset<1000005> done;
long long ans[1000005], res;

int findpar(int u) {
  if(par[u] == u) return u;
  else {
  	par[u] = findpar(par[u]);
  	return par[u];
  }
}

void merge(int u, int v) {
  u = findpar(u);
  v = findpar(v);
  res -= (sz[u] * (sz[u] + 1)) / 2;
  res -= (sz[v] * (sz[v] + 1)) / 2;
  par[v] = u;
  sz[u] += sz[v];
  res += ((sz[u]  + 1) * sz[u]) / 2;
}

int main() {
//  freopen("inp", "r", stdin);
  scanf("%d %d", &N, &K);
  for(int i = 1; i <= N; i++) {
    scanf("%d", &H[i].val);
    H[i].id = i;
    par[i] = i;
    sz[i] = 1;
  }
  for(int i = 1; i <= K; i++) {
    scanf("%d", &Q[i].val);
    Q[i].id = i;
  }
  sort(H + 1, H + N + 1);
  sort(Q + 1, Q + K + 1);
  int p = 1;
  H[N + 1].val = 1e9;
  Q[K + 1].val = 1e9;
  while(Q[p].val < H[1].val) {
    ans[Q[p].id] = res;
    p++;
  }
  for(int i = 1; i <= N; i++) {
    int now = H[i].id;
    res += sz[now];
    if(done[findpar(now - 1)]) {
      merge(now - 1, now);
    }
    if(done[findpar(now + 1)]) {
      merge(now, now + 1);
    }
    done[now] = 1;
    while(Q[p].val < H[i + 1].val) {
      ans[Q[p].id] = res;
      p++;
    }
  }
  for(int i = 1; i <= K; i++) {
    printf("%lld\n", ans[i]);
  }
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &K);
   ~~~~~^~~~~~~~~~~~~~~~~
pilot.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &H[i].val);
     ~~~~~^~~~~~~~~~~~~~~~~
pilot.cpp:42:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q[i].val);
     ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 6 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 2296 KB Output is correct
2 Correct 34 ms 2304 KB Output is correct
3 Correct 32 ms 2176 KB Output is correct
4 Correct 34 ms 2160 KB Output is correct
5 Correct 31 ms 2176 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 4600 KB Output is correct
2 Correct 62 ms 4728 KB Output is correct
3 Correct 60 ms 4696 KB Output is correct
4 Correct 58 ms 4728 KB Output is correct
5 Correct 58 ms 4600 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 4600 KB Output is correct
2 Correct 72 ms 4600 KB Output is correct
3 Correct 66 ms 4728 KB Output is correct
4 Correct 60 ms 4728 KB Output is correct
5 Correct 61 ms 4836 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 38 ms 2296 KB Output is correct
12 Correct 34 ms 2304 KB Output is correct
13 Correct 32 ms 2176 KB Output is correct
14 Correct 34 ms 2160 KB Output is correct
15 Correct 31 ms 2176 KB Output is correct
16 Correct 31 ms 2176 KB Output is correct
17 Correct 33 ms 2336 KB Output is correct
18 Correct 33 ms 2304 KB Output is correct
19 Correct 31 ms 2176 KB Output is correct
20 Correct 33 ms 2296 KB Output is correct
21 Correct 31 ms 2176 KB Output is correct
22 Correct 31 ms 2176 KB Output is correct
23 Correct 35 ms 2304 KB Output is correct
24 Correct 31 ms 2176 KB Output is correct
25 Correct 33 ms 2296 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 6 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 38 ms 2296 KB Output is correct
27 Correct 34 ms 2304 KB Output is correct
28 Correct 32 ms 2176 KB Output is correct
29 Correct 34 ms 2160 KB Output is correct
30 Correct 31 ms 2176 KB Output is correct
31 Correct 56 ms 4600 KB Output is correct
32 Correct 62 ms 4728 KB Output is correct
33 Correct 60 ms 4696 KB Output is correct
34 Correct 58 ms 4728 KB Output is correct
35 Correct 58 ms 4600 KB Output is correct
36 Correct 57 ms 4600 KB Output is correct
37 Correct 72 ms 4600 KB Output is correct
38 Correct 66 ms 4728 KB Output is correct
39 Correct 60 ms 4728 KB Output is correct
40 Correct 61 ms 4836 KB Output is correct
41 Correct 31 ms 2176 KB Output is correct
42 Correct 33 ms 2336 KB Output is correct
43 Correct 33 ms 2304 KB Output is correct
44 Correct 31 ms 2176 KB Output is correct
45 Correct 33 ms 2296 KB Output is correct
46 Correct 31 ms 2176 KB Output is correct
47 Correct 31 ms 2176 KB Output is correct
48 Correct 35 ms 2304 KB Output is correct
49 Correct 31 ms 2176 KB Output is correct
50 Correct 33 ms 2296 KB Output is correct
51 Correct 69 ms 4600 KB Output is correct
52 Correct 69 ms 4344 KB Output is correct
53 Correct 72 ms 4600 KB Output is correct
54 Correct 70 ms 4472 KB Output is correct
55 Correct 69 ms 4600 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 6 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 38 ms 2296 KB Output is correct
27 Correct 34 ms 2304 KB Output is correct
28 Correct 32 ms 2176 KB Output is correct
29 Correct 34 ms 2160 KB Output is correct
30 Correct 31 ms 2176 KB Output is correct
31 Correct 56 ms 4600 KB Output is correct
32 Correct 62 ms 4728 KB Output is correct
33 Correct 60 ms 4696 KB Output is correct
34 Correct 58 ms 4728 KB Output is correct
35 Correct 58 ms 4600 KB Output is correct
36 Correct 57 ms 4600 KB Output is correct
37 Correct 72 ms 4600 KB Output is correct
38 Correct 66 ms 4728 KB Output is correct
39 Correct 60 ms 4728 KB Output is correct
40 Correct 61 ms 4836 KB Output is correct
41 Correct 31 ms 2176 KB Output is correct
42 Correct 33 ms 2336 KB Output is correct
43 Correct 33 ms 2304 KB Output is correct
44 Correct 31 ms 2176 KB Output is correct
45 Correct 33 ms 2296 KB Output is correct
46 Correct 31 ms 2176 KB Output is correct
47 Correct 31 ms 2176 KB Output is correct
48 Correct 35 ms 2304 KB Output is correct
49 Correct 31 ms 2176 KB Output is correct
50 Correct 33 ms 2296 KB Output is correct
51 Correct 69 ms 4600 KB Output is correct
52 Correct 69 ms 4344 KB Output is correct
53 Correct 72 ms 4600 KB Output is correct
54 Correct 70 ms 4472 KB Output is correct
55 Correct 69 ms 4600 KB Output is correct
56 Correct 766 ms 41980 KB Output is correct
57 Correct 752 ms 54136 KB Output is correct
58 Correct 719 ms 51580 KB Output is correct
59 Correct 747 ms 52908 KB Output is correct
60 Correct 770 ms 55196 KB Output is correct