oj.uz

Submission #897707

# Submission time Handle Problem Language Result Execution time Memory
897707 2024-01-03T15:14:13 Z lovrot Construction of Highway (JOI18_construction) C++17
16 / 100
 278 ms 856 KB 
#include <cstdio> 
#include <vector> 
#include <algorithm> 

#define EB emplace_back

using namespace std;

typedef long long ll; 

const int LOG = 12;
const int N = 1 << LOG; 

int n, C[N]; 

int F[N]; 

void add(int x, int val) {
	for(++x; x < N; x += x & -x) F[x] += val;
}

int sum(int x) {
	int sum = 0;
	for(++x; x; x -= x & -x) sum += F[x]; 
	return sum;
}

int P[N];
vector<int> S; 

int main() {
	scanf("%d", &n); 
	for(int i = 1; i <= n; ++i) {
		scanf("%d", C + i); 
		S.EB(C[i]); 
	}

	sort(S.begin(), S.end()); 
	S.erase(unique(S.begin(), S.end()), S.end()); 

	for(int i = 0; i < n - 1; ++i) {
		int a, b;
		scanf("%d%d", &a, &b); 

		ll cost = 0;
		for(int _a = a; _a; _a = P[_a]) {
			int pos = lower_bound(S.begin(), S.end(), C[_a]) - S.begin() + 1;
			cost += (ll) sum(pos - 1); 
			add(pos, 1); 
		}
		
		printf("%lld\n", cost); 

		for(int _a = a; _a; _a = P[_a]) {
			int pos = lower_bound(S.begin(), S.end(), C[_a]) - S.begin() + 1;
			add(pos, -1);
			C[_a] = C[b];
		}

		P[b] = a;
	}
	return 0;
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
construction.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |   scanf("%d", C + i);
      |   ~~~~~^~~~~~~~~~~~~
construction.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |   scanf("%d%d", &a, &b);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 500 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 4 ms 432 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 3 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 1 ms 456 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 428 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 2 ms 428 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 500 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 4 ms 432 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 3 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 1 ms 456 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 428 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 2 ms 428 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 6 ms 520 KB Output is correct
47 Correct 6 ms 576 KB Output is correct
48 Correct 5 ms 576 KB Output is correct
49 Correct 261 ms 360 KB Output is correct
50 Correct 278 ms 556 KB Output is correct
51 Correct 257 ms 348 KB Output is correct
52 Correct 130 ms 348 KB Output is correct
53 Correct 150 ms 556 KB Output is correct
54 Correct 132 ms 348 KB Output is correct
55 Correct 133 ms 556 KB Output is correct
56 Correct 136 ms 348 KB Output is correct
57 Correct 6 ms 344 KB Output is correct
58 Correct 8 ms 520 KB Output is correct
59 Correct 8 ms 344 KB Output is correct
60 Correct 8 ms 348 KB Output is correct
61 Correct 131 ms 348 KB Output is correct
62 Correct 144 ms 560 KB Output is correct
63 Correct 132 ms 344 KB Output is correct
64 Correct 2 ms 348 KB Output is correct
65 Correct 3 ms 348 KB Output is correct
66 Correct 5 ms 444 KB Output is correct
67 Correct 5 ms 344 KB Output is correct
68 Correct 211 ms 344 KB Output is correct
69 Correct 131 ms 348 KB Output is correct
70 Correct 112 ms 348 KB Output is correct
71 Correct 123 ms 524 KB Output is correct
72 Correct 6 ms 348 KB Output is correct
73 Correct 5 ms 348 KB Output is correct
74 Correct 105 ms 528 KB Output is correct
75 Correct 69 ms 552 KB Output is correct
76 Correct 47 ms 344 KB Output is correct
77 Correct 36 ms 344 KB Output is correct
78 Correct 53 ms 520 KB Output is correct
79 Correct 40 ms 600 KB Output is correct
80 Correct 27 ms 344 KB Output is correct
81 Correct 69 ms 548 KB Output is correct
82 Correct 51 ms 564 KB Output is correct
83 Correct 37 ms 348 KB Output is correct
84 Correct 56 ms 348 KB Output is correct
85 Correct 37 ms 344 KB Output is correct
86 Correct 28 ms 528 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 500 KB Output is correct
7 Correct 1 ms 432 KB Output is correct
8 Correct 4 ms 432 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 4 ms 348 KB Output is correct
11 Correct 2 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 3 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 2 ms 456 KB Output is correct
33 Correct 2 ms 348 KB Output is correct
34 Correct 1 ms 456 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 1 ms 428 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 2 ms 428 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 344 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 6 ms 520 KB Output is correct
47 Correct 6 ms 576 KB Output is correct
48 Correct 5 ms 576 KB Output is correct
49 Correct 261 ms 360 KB Output is correct
50 Correct 278 ms 556 KB Output is correct
51 Correct 257 ms 348 KB Output is correct
52 Correct 130 ms 348 KB Output is correct
53 Correct 150 ms 556 KB Output is correct
54 Correct 132 ms 348 KB Output is correct
55 Correct 133 ms 556 KB Output is correct
56 Correct 136 ms 348 KB Output is correct
57 Correct 6 ms 344 KB Output is correct
58 Correct 8 ms 520 KB Output is correct
59 Correct 8 ms 344 KB Output is correct
60 Correct 8 ms 348 KB Output is correct
61 Correct 131 ms 348 KB Output is correct
62 Correct 144 ms 560 KB Output is correct
63 Correct 132 ms 344 KB Output is correct
64 Correct 2 ms 348 KB Output is correct
65 Correct 3 ms 348 KB Output is correct
66 Correct 5 ms 444 KB Output is correct
67 Correct 5 ms 344 KB Output is correct
68 Correct 211 ms 344 KB Output is correct
69 Correct 131 ms 348 KB Output is correct
70 Correct 112 ms 348 KB Output is correct
71 Correct 123 ms 524 KB Output is correct
72 Correct 6 ms 348 KB Output is correct
73 Correct 5 ms 348 KB Output is correct
74 Correct 105 ms 528 KB Output is correct
75 Correct 69 ms 552 KB Output is correct
76 Correct 47 ms 344 KB Output is correct
77 Correct 36 ms 344 KB Output is correct
78 Correct 53 ms 520 KB Output is correct
79 Correct 40 ms 600 KB Output is correct
80 Correct 27 ms 344 KB Output is correct
81 Correct 69 ms 548 KB Output is correct
82 Correct 51 ms 564 KB Output is correct
83 Correct 37 ms 348 KB Output is correct
84 Correct 56 ms 348 KB Output is correct
85 Correct 37 ms 344 KB Output is correct
86 Correct 28 ms 528 KB Output is correct
87 Runtime error 2 ms 856 KB Execution killed with signal 11
88 Halted 0 ms 0 KB -