oj.uz

Submission #385612

# Submission time Handle Problem Language Result Execution time Memory
385612 2021-04-04T16:05:23 Z patrikpavic2 Nice sequence (IZhO18_sequence) C++17
100 / 100
 1749 ms 48108 KB 
#include <cstdio>
#include <cstring>

#define PB push_back

using namespace std;

const int N = 4e5 + 500;

int bio[N], L[N], R[N];

void clean(){
	memset(bio, 0, sizeof(bio));
	memset(L, -1, sizeof(L));
	memset(R, -1, sizeof(R));
}

bool ima_ciklus(int x){
	bio[x] = 1;
	if(L[x] != -1 && bio[L[x]] == 1) return 1;
	if(R[x] != -1 && bio[R[x]] == 1) return 1;
	if(L[x] != -1 && bio[L[x]] != 2 && ima_ciklus(L[x])) return 1;
	if(R[x] != -1 && bio[R[x]] != 2 && ima_ciklus(R[x])) return 1;
	bio[x] = 2;
	return 0;
}

int P[N], cur = 0;

void topsort(int x){
	if(bio[x]) return;
	bio[x] = 1;
	if(L[x] != -1) topsort(L[x]);
	if(R[x] != -1) topsort(R[x]);
	P[x] = cur++;
}

bool check(int n, int a, int b, bool napravi = false){
	clean();
	for(int i = 0;i <= n;i++){
		if(i + a <= n) L[i + a] = i;
		if(i + b <= n) R[i] = i + b;
	}
	if(!napravi){
		for(int i = 0;i <= n;i++)
			if(!bio[i] && ima_ciklus(i)){
				return false;
			}
		return true;
	}
	cur = 0;
	for(int i = 0;i <= n;i++)
		topsort(i);
	for(int i = 1;i <= n;i++)
		P[i] -= P[0];
	P[0] = 0;
	printf("%d\n", n);
	for(int i = 1;i <= n;i++)
		printf("%d ", P[i] - P[i - 1]);
	printf("\n");
	return true;
	
}

int main(){
	int T; scanf("%d", &T);
	for(;T--;){
		int a, b; scanf("%d%d", &b, &a);
		int ans = 0;
		for(int i = 18;i >= 0;i--){
			if(ans + (1 << i) <= a + b && check(ans + (1 << i), a, b))
				ans += (1 << i);
		}
		check(ans, a, b, 1);
	}
	return 0;
}

Compilation message

sequence.cpp: In function 'int main()':
sequence.cpp:66:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   66 |  int T; scanf("%d", &T);
      |         ~~~~~^~~~~~~~~~
sequence.cpp:68:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   68 |   int a, b; scanf("%d%d", &b, &a);
      |             ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 5100 KB Ok
2 Correct 14 ms 4972 KB Ok
3 Correct 19 ms 5100 KB Ok
4 Correct 20 ms 4972 KB Ok
5 Correct 19 ms 4972 KB Ok
6 Correct 18 ms 4972 KB Ok
7 Correct 19 ms 4972 KB Ok
8 Correct 18 ms 4972 KB Ok
9 Correct 20 ms 4972 KB Ok
10 Correct 18 ms 4972 KB Ok
11 Correct 19 ms 4972 KB Ok
12 Correct 20 ms 4972 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 4972 KB Ok
2 Correct 12 ms 4972 KB Ok
3 Correct 14 ms 4972 KB Ok
4 Correct 14 ms 4972 KB Ok
5 Correct 15 ms 4972 KB Ok
6 Correct 23 ms 5100 KB Ok
7 Correct 36 ms 5740 KB Ok
8 Correct 32 ms 5356 KB Ok
9 Correct 40 ms 5868 KB Ok
10 Correct 31 ms 5484 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4972 KB Ok
2 Correct 11 ms 4972 KB Ok
3 Correct 11 ms 4972 KB Ok
4 Correct 11 ms 4972 KB Ok
5 Correct 12 ms 4972 KB Ok
6 Correct 12 ms 4972 KB Ok
7 Correct 12 ms 4972 KB Ok
8 Correct 13 ms 4972 KB Ok
9 Correct 13 ms 4972 KB Ok
10 Correct 12 ms 4972 KB Ok
11 Correct 13 ms 4972 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 4972 KB Ok
2 Correct 14 ms 5100 KB Ok
3 Correct 16 ms 4992 KB Ok
4 Correct 14 ms 5100 KB Ok
5 Correct 15 ms 4972 KB Ok
6 Correct 197 ms 13932 KB Ok
7 Correct 195 ms 14188 KB Ok
8 Correct 350 ms 17004 KB Ok
9 Correct 261 ms 15604 KB Ok
10 Correct 156 ms 10068 KB Ok
11 Correct 249 ms 15596 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 5100 KB Ok
2 Correct 14 ms 4972 KB Ok
3 Correct 19 ms 5100 KB Ok
4 Correct 20 ms 4972 KB Ok
5 Correct 19 ms 4972 KB Ok
6 Correct 18 ms 4972 KB Ok
7 Correct 19 ms 4972 KB Ok
8 Correct 18 ms 4972 KB Ok
9 Correct 20 ms 4972 KB Ok
10 Correct 18 ms 4972 KB Ok
11 Correct 19 ms 4972 KB Ok
12 Correct 20 ms 4972 KB Ok
13 Correct 6 ms 4972 KB Ok
14 Correct 11 ms 4972 KB Ok
15 Correct 11 ms 4972 KB Ok
16 Correct 11 ms 4972 KB Ok
17 Correct 12 ms 4972 KB Ok
18 Correct 12 ms 4972 KB Ok
19 Correct 12 ms 4972 KB Ok
20 Correct 13 ms 4972 KB Ok
21 Correct 13 ms 4972 KB Ok
22 Correct 12 ms 4972 KB Ok
23 Correct 13 ms 4972 KB Ok
24 Correct 30 ms 5100 KB Ok
25 Correct 29 ms 5100 KB Ok
26 Correct 29 ms 5100 KB Ok
27 Correct 29 ms 5100 KB Ok
28 Correct 27 ms 5100 KB Ok
29 Correct 28 ms 5100 KB Ok
30 Correct 27 ms 5100 KB Ok
31 Correct 29 ms 5100 KB Ok
32 Correct 29 ms 5100 KB Ok
33 Correct 28 ms 5100 KB Ok
34 Correct 34 ms 5228 KB Ok
35 Correct 27 ms 5228 KB Ok
36 Correct 28 ms 5356 KB Ok
37 Correct 32 ms 5356 KB Ok
38 Correct 33 ms 5356 KB Ok
39 Correct 30 ms 5228 KB Ok
40 Correct 29 ms 5356 KB Ok
41 Correct 28 ms 5356 KB Ok
42 Correct 28 ms 5228 KB Ok
43 Correct 32 ms 5356 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 5100 KB Ok
2 Correct 14 ms 4972 KB Ok
3 Correct 19 ms 5100 KB Ok
4 Correct 20 ms 4972 KB Ok
5 Correct 19 ms 4972 KB Ok
6 Correct 18 ms 4972 KB Ok
7 Correct 19 ms 4972 KB Ok
8 Correct 18 ms 4972 KB Ok
9 Correct 20 ms 4972 KB Ok
10 Correct 18 ms 4972 KB Ok
11 Correct 19 ms 4972 KB Ok
12 Correct 20 ms 4972 KB Ok
13 Correct 14 ms 4972 KB Ok
14 Correct 12 ms 4972 KB Ok
15 Correct 14 ms 4972 KB Ok
16 Correct 14 ms 4972 KB Ok
17 Correct 15 ms 4972 KB Ok
18 Correct 23 ms 5100 KB Ok
19 Correct 36 ms 5740 KB Ok
20 Correct 32 ms 5356 KB Ok
21 Correct 40 ms 5868 KB Ok
22 Correct 31 ms 5484 KB Ok
23 Correct 6 ms 4972 KB Ok
24 Correct 11 ms 4972 KB Ok
25 Correct 11 ms 4972 KB Ok
26 Correct 11 ms 4972 KB Ok
27 Correct 12 ms 4972 KB Ok
28 Correct 12 ms 4972 KB Ok
29 Correct 12 ms 4972 KB Ok
30 Correct 13 ms 4972 KB Ok
31 Correct 13 ms 4972 KB Ok
32 Correct 12 ms 4972 KB Ok
33 Correct 13 ms 4972 KB Ok
34 Correct 30 ms 5100 KB Ok
35 Correct 29 ms 5100 KB Ok
36 Correct 29 ms 5100 KB Ok
37 Correct 29 ms 5100 KB Ok
38 Correct 27 ms 5100 KB Ok
39 Correct 28 ms 5100 KB Ok
40 Correct 27 ms 5100 KB Ok
41 Correct 29 ms 5100 KB Ok
42 Correct 29 ms 5100 KB Ok
43 Correct 28 ms 5100 KB Ok
44 Correct 34 ms 5228 KB Ok
45 Correct 27 ms 5228 KB Ok
46 Correct 28 ms 5356 KB Ok
47 Correct 32 ms 5356 KB Ok
48 Correct 33 ms 5356 KB Ok
49 Correct 30 ms 5228 KB Ok
50 Correct 29 ms 5356 KB Ok
51 Correct 28 ms 5356 KB Ok
52 Correct 28 ms 5228 KB Ok
53 Correct 32 ms 5356 KB Ok
54 Correct 177 ms 7020 KB Ok
55 Correct 201 ms 7532 KB Ok
56 Correct 193 ms 7404 KB Ok
57 Correct 151 ms 6636 KB Ok
58 Correct 166 ms 7020 KB Ok
59 Correct 177 ms 6840 KB Ok
60 Correct 147 ms 6636 KB Ok
61 Correct 153 ms 6764 KB Ok
62 Correct 183 ms 7148 KB Ok
63 Correct 160 ms 6764 KB Ok
64 Correct 211 ms 7532 KB Ok
65 Correct 173 ms 7020 KB Ok
66 Correct 166 ms 6892 KB Ok
67 Correct 156 ms 6764 KB Ok
68 Correct 170 ms 6892 KB Ok
69 Correct 305 ms 14572 KB Ok
70 Correct 303 ms 15212 KB Ok
71 Correct 294 ms 14572 KB Ok
72 Correct 308 ms 14700 KB Ok
73 Correct 294 ms 14700 KB Ok
74 Correct 292 ms 14444 KB Ok
75 Correct 317 ms 13932 KB Ok
76 Correct 312 ms 14956 KB Ok
77 Correct 301 ms 14060 KB Ok
78 Correct 304 ms 14700 KB Ok
79 Correct 318 ms 14828 KB Ok
80 Correct 298 ms 14828 KB Ok
81 Correct 305 ms 14700 KB Ok
82 Correct 303 ms 14828 KB Ok
83 Correct 312 ms 14188 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 5100 KB Ok
2 Correct 14 ms 4972 KB Ok
3 Correct 19 ms 5100 KB Ok
4 Correct 20 ms 4972 KB Ok
5 Correct 19 ms 4972 KB Ok
6 Correct 18 ms 4972 KB Ok
7 Correct 19 ms 4972 KB Ok
8 Correct 18 ms 4972 KB Ok
9 Correct 20 ms 4972 KB Ok
10 Correct 18 ms 4972 KB Ok
11 Correct 19 ms 4972 KB Ok
12 Correct 20 ms 4972 KB Ok
13 Correct 14 ms 4972 KB Ok
14 Correct 12 ms 4972 KB Ok
15 Correct 14 ms 4972 KB Ok
16 Correct 14 ms 4972 KB Ok
17 Correct 15 ms 4972 KB Ok
18 Correct 23 ms 5100 KB Ok
19 Correct 36 ms 5740 KB Ok
20 Correct 32 ms 5356 KB Ok
21 Correct 40 ms 5868 KB Ok
22 Correct 31 ms 5484 KB Ok
23 Correct 6 ms 4972 KB Ok
24 Correct 11 ms 4972 KB Ok
25 Correct 11 ms 4972 KB Ok
26 Correct 11 ms 4972 KB Ok
27 Correct 12 ms 4972 KB Ok
28 Correct 12 ms 4972 KB Ok
29 Correct 12 ms 4972 KB Ok
30 Correct 13 ms 4972 KB Ok
31 Correct 13 ms 4972 KB Ok
32 Correct 12 ms 4972 KB Ok
33 Correct 13 ms 4972 KB Ok
34 Correct 11 ms 4972 KB Ok
35 Correct 14 ms 5100 KB Ok
36 Correct 16 ms 4992 KB Ok
37 Correct 14 ms 5100 KB Ok
38 Correct 15 ms 4972 KB Ok
39 Correct 197 ms 13932 KB Ok
40 Correct 195 ms 14188 KB Ok
41 Correct 350 ms 17004 KB Ok
42 Correct 261 ms 15604 KB Ok
43 Correct 156 ms 10068 KB Ok
44 Correct 249 ms 15596 KB Ok
45 Correct 30 ms 5100 KB Ok
46 Correct 29 ms 5100 KB Ok
47 Correct 29 ms 5100 KB Ok
48 Correct 29 ms 5100 KB Ok
49 Correct 27 ms 5100 KB Ok
50 Correct 28 ms 5100 KB Ok
51 Correct 27 ms 5100 KB Ok
52 Correct 29 ms 5100 KB Ok
53 Correct 29 ms 5100 KB Ok
54 Correct 28 ms 5100 KB Ok
55 Correct 34 ms 5228 KB Ok
56 Correct 27 ms 5228 KB Ok
57 Correct 28 ms 5356 KB Ok
58 Correct 32 ms 5356 KB Ok
59 Correct 33 ms 5356 KB Ok
60 Correct 30 ms 5228 KB Ok
61 Correct 29 ms 5356 KB Ok
62 Correct 28 ms 5356 KB Ok
63 Correct 28 ms 5228 KB Ok
64 Correct 32 ms 5356 KB Ok
65 Correct 177 ms 7020 KB Ok
66 Correct 201 ms 7532 KB Ok
67 Correct 193 ms 7404 KB Ok
68 Correct 151 ms 6636 KB Ok
69 Correct 166 ms 7020 KB Ok
70 Correct 177 ms 6840 KB Ok
71 Correct 147 ms 6636 KB Ok
72 Correct 153 ms 6764 KB Ok
73 Correct 183 ms 7148 KB Ok
74 Correct 160 ms 6764 KB Ok
75 Correct 211 ms 7532 KB Ok
76 Correct 173 ms 7020 KB Ok
77 Correct 166 ms 6892 KB Ok
78 Correct 156 ms 6764 KB Ok
79 Correct 170 ms 6892 KB Ok
80 Correct 305 ms 14572 KB Ok
81 Correct 303 ms 15212 KB Ok
82 Correct 294 ms 14572 KB Ok
83 Correct 308 ms 14700 KB Ok
84 Correct 294 ms 14700 KB Ok
85 Correct 292 ms 14444 KB Ok
86 Correct 317 ms 13932 KB Ok
87 Correct 312 ms 14956 KB Ok
88 Correct 301 ms 14060 KB Ok
89 Correct 304 ms 14700 KB Ok
90 Correct 318 ms 14828 KB Ok
91 Correct 298 ms 14828 KB Ok
92 Correct 305 ms 14700 KB Ok
93 Correct 303 ms 14828 KB Ok
94 Correct 312 ms 14188 KB Ok
95 Correct 391 ms 10348 KB Ok
96 Correct 550 ms 12140 KB Ok
97 Correct 511 ms 11372 KB Ok
98 Correct 392 ms 10220 KB Ok
99 Correct 496 ms 10860 KB Ok
100 Correct 451 ms 10988 KB Ok
101 Correct 494 ms 11232 KB Ok
102 Correct 465 ms 11372 KB Ok
103 Correct 473 ms 11244 KB Ok
104 Correct 558 ms 12396 KB Ok
105 Correct 543 ms 12012 KB Ok
106 Correct 470 ms 11756 KB Ok
107 Correct 525 ms 11500 KB Ok
108 Correct 564 ms 12268 KB Ok
109 Correct 560 ms 12140 KB Ok
110 Correct 1473 ms 44396 KB Ok
111 Correct 1646 ms 47112 KB Ok
112 Correct 1647 ms 46852 KB Ok
113 Correct 1506 ms 46316 KB Ok
114 Correct 1383 ms 48108 KB Ok
115 Correct 1555 ms 45832 KB Ok
116 Correct 1652 ms 47232 KB Ok
117 Correct 1564 ms 45888 KB Ok
118 Correct 1570 ms 45804 KB Ok
119 Correct 1679 ms 45876 KB Ok
120 Correct 1571 ms 45440 KB Ok
121 Correct 1651 ms 44096 KB Ok
122 Correct 1675 ms 46584 KB Ok
123 Correct 1749 ms 46956 KB Ok
124 Correct 1558 ms 44396 KB Ok
125 Correct 1066 ms 29176 KB Ok