oj.uz

Submission #65822

# Submission time Handle Problem Language Result Execution time Memory
65822 2018-08-09T00:51:20 Z kingpig9 Nice sequence (IZhO18_sequence) C++11
100 / 100
 1671 ms 35400 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 4e5 + 10;

#define debug(...) fprintf(stderr, __VA_ARGS__)
#define all(v) (v).begin(), (v).end()
#define fi first
#define se second
#define fillchar(a, s) memset((a), (s), sizeof(a))

int N, M;
stack<int> stk;
vector<int> topo;
int indeg[MAXN];

bool moo (int g, bool isfinal = false) {
	if (isfinal) {
		topo.clear();
	}
	//x -> x + M or x + N -> x

	for (int x = 0; x <= g; x++) {
		indeg[x] = 0;
		//adj[x].clear();
	}

	for (int x = 0; x + M <= g; x++) {
		//adj[x].push_back(x + M);
		indeg[x + M]++;
	}
	for (int x = 0; x + N <= g; x++) {
		//adj[x + N].push_back(x);
		indeg[x]++;
	}

	for (int x = 0; x <= g; x++) {
		if (indeg[x] == 0) {
			stk.push(x);
		}
	}

	while (!stk.empty()) {
		int x = stk.top();
		stk.pop();
		if (isfinal) {
			topo.push_back(x);
		}
		if (x - N >= 0 && --indeg[x - N] == 0) {
			stk.push(x - N);
		}
		if (x + M <= g && --indeg[x + M] == 0) {
			stk.push(x + M);
		}
	}

	for (int x = 0; x <= g; x++) {
		if (indeg[x]) {
			return false;
		}
	}
	return true;
}

int ans[MAXN];

int go() {
	int lo = min(N, M) - 1, hi = N + M;
	while (hi - lo > 1) {
		int mid = (lo + hi) / 2;
		if (moo(mid)) {
			lo = mid;
		} else {
			hi = mid;
		}
	}
	assert(moo(lo, true));

	int ind0 = find(all(topo), 0) - topo.begin();
	for (int i = 0; i <= lo; i++) {
		ans[topo[i]] = i - ind0;
	}
	for (int i = lo; i >= 1; i--) {
		ans[i] -= ans[i - 1];
	}
	return lo;
}

int main() {
	int nq;
	scanf("%d", &nq);
	for (int qi = 1; qi <= nq; qi++) {
		scanf("%d %d", &N, &M);
		int len = go();
		printf("%d\n", len);
		for (int i = 1; i <= len; i++) {
			printf("%d ", ans[i]);
		}
		puts("");
	}
}

Compilation message

sequence.cpp: In function 'int main()':
sequence.cpp:94:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &nq);
  ~~~~~^~~~~~~~~~~
sequence.cpp:96:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &N, &M);
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Ok
2 Correct 2 ms 472 KB Ok
3 Correct 3 ms 472 KB Ok
4 Correct 3 ms 636 KB Ok
5 Correct 3 ms 636 KB Ok
6 Correct 2 ms 636 KB Ok
7 Correct 3 ms 636 KB Ok
8 Correct 2 ms 636 KB Ok
9 Correct 3 ms 636 KB Ok
10 Correct 2 ms 636 KB Ok
11 Correct 2 ms 636 KB Ok
12 Correct 3 ms 636 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 636 KB Ok
2 Correct 2 ms 644 KB Ok
3 Correct 4 ms 644 KB Ok
4 Correct 3 ms 652 KB Ok
5 Correct 3 ms 656 KB Ok
6 Correct 8 ms 672 KB Ok
7 Correct 26 ms 1204 KB Ok
8 Correct 11 ms 1204 KB Ok
9 Correct 26 ms 1344 KB Ok
10 Correct 15 ms 1344 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1344 KB Ok
2 Correct 3 ms 1344 KB Ok
3 Correct 3 ms 1344 KB Ok
4 Correct 3 ms 1344 KB Ok
5 Correct 3 ms 1344 KB Ok
6 Correct 3 ms 1344 KB Ok
7 Correct 3 ms 1344 KB Ok
8 Correct 4 ms 1344 KB Ok
9 Correct 2 ms 1344 KB Ok
10 Correct 3 ms 1344 KB Ok
11 Correct 3 ms 1344 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1344 KB Ok
2 Correct 2 ms 1344 KB Ok
3 Correct 3 ms 1344 KB Ok
4 Correct 2 ms 1344 KB Ok
5 Correct 3 ms 1344 KB Ok
6 Correct 246 ms 7188 KB Ok
7 Correct 200 ms 7188 KB Ok
8 Correct 388 ms 9424 KB Ok
9 Correct 273 ms 9424 KB Ok
10 Correct 155 ms 9424 KB Ok
11 Correct 273 ms 9424 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Ok
2 Correct 2 ms 472 KB Ok
3 Correct 3 ms 472 KB Ok
4 Correct 3 ms 636 KB Ok
5 Correct 3 ms 636 KB Ok
6 Correct 2 ms 636 KB Ok
7 Correct 3 ms 636 KB Ok
8 Correct 2 ms 636 KB Ok
9 Correct 3 ms 636 KB Ok
10 Correct 2 ms 636 KB Ok
11 Correct 2 ms 636 KB Ok
12 Correct 3 ms 636 KB Ok
13 Correct 2 ms 1344 KB Ok
14 Correct 3 ms 1344 KB Ok
15 Correct 3 ms 1344 KB Ok
16 Correct 3 ms 1344 KB Ok
17 Correct 3 ms 1344 KB Ok
18 Correct 3 ms 1344 KB Ok
19 Correct 3 ms 1344 KB Ok
20 Correct 4 ms 1344 KB Ok
21 Correct 2 ms 1344 KB Ok
22 Correct 3 ms 1344 KB Ok
23 Correct 3 ms 1344 KB Ok
24 Correct 8 ms 9424 KB Ok
25 Correct 7 ms 9424 KB Ok
26 Correct 7 ms 9424 KB Ok
27 Correct 6 ms 9424 KB Ok
28 Correct 6 ms 9424 KB Ok
29 Correct 6 ms 9424 KB Ok
30 Correct 6 ms 9424 KB Ok
31 Correct 6 ms 9424 KB Ok
32 Correct 7 ms 9424 KB Ok
33 Correct 6 ms 9424 KB Ok
34 Correct 13 ms 9424 KB Ok
35 Correct 12 ms 9424 KB Ok
36 Correct 13 ms 9424 KB Ok
37 Correct 13 ms 9424 KB Ok
38 Correct 14 ms 9424 KB Ok
39 Correct 11 ms 9424 KB Ok
40 Correct 11 ms 9424 KB Ok
41 Correct 11 ms 9424 KB Ok
42 Correct 12 ms 9424 KB Ok
43 Correct 14 ms 9424 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Ok
2 Correct 2 ms 472 KB Ok
3 Correct 3 ms 472 KB Ok
4 Correct 3 ms 636 KB Ok
5 Correct 3 ms 636 KB Ok
6 Correct 2 ms 636 KB Ok
7 Correct 3 ms 636 KB Ok
8 Correct 2 ms 636 KB Ok
9 Correct 3 ms 636 KB Ok
10 Correct 2 ms 636 KB Ok
11 Correct 2 ms 636 KB Ok
12 Correct 3 ms 636 KB Ok
13 Correct 2 ms 636 KB Ok
14 Correct 2 ms 644 KB Ok
15 Correct 4 ms 644 KB Ok
16 Correct 3 ms 652 KB Ok
17 Correct 3 ms 656 KB Ok
18 Correct 8 ms 672 KB Ok
19 Correct 26 ms 1204 KB Ok
20 Correct 11 ms 1204 KB Ok
21 Correct 26 ms 1344 KB Ok
22 Correct 15 ms 1344 KB Ok
23 Correct 2 ms 1344 KB Ok
24 Correct 3 ms 1344 KB Ok
25 Correct 3 ms 1344 KB Ok
26 Correct 3 ms 1344 KB Ok
27 Correct 3 ms 1344 KB Ok
28 Correct 3 ms 1344 KB Ok
29 Correct 3 ms 1344 KB Ok
30 Correct 4 ms 1344 KB Ok
31 Correct 2 ms 1344 KB Ok
32 Correct 3 ms 1344 KB Ok
33 Correct 3 ms 1344 KB Ok
34 Correct 8 ms 9424 KB Ok
35 Correct 7 ms 9424 KB Ok
36 Correct 7 ms 9424 KB Ok
37 Correct 6 ms 9424 KB Ok
38 Correct 6 ms 9424 KB Ok
39 Correct 6 ms 9424 KB Ok
40 Correct 6 ms 9424 KB Ok
41 Correct 6 ms 9424 KB Ok
42 Correct 7 ms 9424 KB Ok
43 Correct 6 ms 9424 KB Ok
44 Correct 13 ms 9424 KB Ok
45 Correct 12 ms 9424 KB Ok
46 Correct 13 ms 9424 KB Ok
47 Correct 13 ms 9424 KB Ok
48 Correct 14 ms 9424 KB Ok
49 Correct 11 ms 9424 KB Ok
50 Correct 11 ms 9424 KB Ok
51 Correct 11 ms 9424 KB Ok
52 Correct 12 ms 9424 KB Ok
53 Correct 14 ms 9424 KB Ok
54 Correct 191 ms 9424 KB Ok
55 Correct 263 ms 9424 KB Ok
56 Correct 237 ms 9424 KB Ok
57 Correct 156 ms 9424 KB Ok
58 Correct 180 ms 9424 KB Ok
59 Correct 249 ms 9424 KB Ok
60 Correct 159 ms 9424 KB Ok
61 Correct 148 ms 9424 KB Ok
62 Correct 219 ms 9424 KB Ok
63 Correct 171 ms 9424 KB Ok
64 Correct 264 ms 9424 KB Ok
65 Correct 221 ms 9424 KB Ok
66 Correct 193 ms 9424 KB Ok
67 Correct 161 ms 9424 KB Ok
68 Correct 193 ms 9424 KB Ok
69 Correct 332 ms 9424 KB Ok
70 Correct 383 ms 9424 KB Ok
71 Correct 337 ms 9424 KB Ok
72 Correct 331 ms 9424 KB Ok
73 Correct 338 ms 9424 KB Ok
74 Correct 412 ms 9424 KB Ok
75 Correct 407 ms 9424 KB Ok
76 Correct 338 ms 9424 KB Ok
77 Correct 373 ms 9424 KB Ok
78 Correct 289 ms 9424 KB Ok
79 Correct 288 ms 9424 KB Ok
80 Correct 317 ms 9424 KB Ok
81 Correct 318 ms 9424 KB Ok
82 Correct 312 ms 9424 KB Ok
83 Correct 369 ms 9424 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Ok
2 Correct 2 ms 472 KB Ok
3 Correct 3 ms 472 KB Ok
4 Correct 3 ms 636 KB Ok
5 Correct 3 ms 636 KB Ok
6 Correct 2 ms 636 KB Ok
7 Correct 3 ms 636 KB Ok
8 Correct 2 ms 636 KB Ok
9 Correct 3 ms 636 KB Ok
10 Correct 2 ms 636 KB Ok
11 Correct 2 ms 636 KB Ok
12 Correct 3 ms 636 KB Ok
13 Correct 2 ms 636 KB Ok
14 Correct 2 ms 644 KB Ok
15 Correct 4 ms 644 KB Ok
16 Correct 3 ms 652 KB Ok
17 Correct 3 ms 656 KB Ok
18 Correct 8 ms 672 KB Ok
19 Correct 26 ms 1204 KB Ok
20 Correct 11 ms 1204 KB Ok
21 Correct 26 ms 1344 KB Ok
22 Correct 15 ms 1344 KB Ok
23 Correct 2 ms 1344 KB Ok
24 Correct 3 ms 1344 KB Ok
25 Correct 3 ms 1344 KB Ok
26 Correct 3 ms 1344 KB Ok
27 Correct 3 ms 1344 KB Ok
28 Correct 3 ms 1344 KB Ok
29 Correct 3 ms 1344 KB Ok
30 Correct 4 ms 1344 KB Ok
31 Correct 2 ms 1344 KB Ok
32 Correct 3 ms 1344 KB Ok
33 Correct 3 ms 1344 KB Ok
34 Correct 4 ms 1344 KB Ok
35 Correct 2 ms 1344 KB Ok
36 Correct 3 ms 1344 KB Ok
37 Correct 2 ms 1344 KB Ok
38 Correct 3 ms 1344 KB Ok
39 Correct 246 ms 7188 KB Ok
40 Correct 200 ms 7188 KB Ok
41 Correct 388 ms 9424 KB Ok
42 Correct 273 ms 9424 KB Ok
43 Correct 155 ms 9424 KB Ok
44 Correct 273 ms 9424 KB Ok
45 Correct 8 ms 9424 KB Ok
46 Correct 7 ms 9424 KB Ok
47 Correct 7 ms 9424 KB Ok
48 Correct 6 ms 9424 KB Ok
49 Correct 6 ms 9424 KB Ok
50 Correct 6 ms 9424 KB Ok
51 Correct 6 ms 9424 KB Ok
52 Correct 6 ms 9424 KB Ok
53 Correct 7 ms 9424 KB Ok
54 Correct 6 ms 9424 KB Ok
55 Correct 13 ms 9424 KB Ok
56 Correct 12 ms 9424 KB Ok
57 Correct 13 ms 9424 KB Ok
58 Correct 13 ms 9424 KB Ok
59 Correct 14 ms 9424 KB Ok
60 Correct 11 ms 9424 KB Ok
61 Correct 11 ms 9424 KB Ok
62 Correct 11 ms 9424 KB Ok
63 Correct 12 ms 9424 KB Ok
64 Correct 14 ms 9424 KB Ok
65 Correct 191 ms 9424 KB Ok
66 Correct 263 ms 9424 KB Ok
67 Correct 237 ms 9424 KB Ok
68 Correct 156 ms 9424 KB Ok
69 Correct 180 ms 9424 KB Ok
70 Correct 249 ms 9424 KB Ok
71 Correct 159 ms 9424 KB Ok
72 Correct 148 ms 9424 KB Ok
73 Correct 219 ms 9424 KB Ok
74 Correct 171 ms 9424 KB Ok
75 Correct 264 ms 9424 KB Ok
76 Correct 221 ms 9424 KB Ok
77 Correct 193 ms 9424 KB Ok
78 Correct 161 ms 9424 KB Ok
79 Correct 193 ms 9424 KB Ok
80 Correct 332 ms 9424 KB Ok
81 Correct 383 ms 9424 KB Ok
82 Correct 337 ms 9424 KB Ok
83 Correct 331 ms 9424 KB Ok
84 Correct 338 ms 9424 KB Ok
85 Correct 412 ms 9424 KB Ok
86 Correct 407 ms 9424 KB Ok
87 Correct 338 ms 9424 KB Ok
88 Correct 373 ms 9424 KB Ok
89 Correct 289 ms 9424 KB Ok
90 Correct 288 ms 9424 KB Ok
91 Correct 317 ms 9424 KB Ok
92 Correct 318 ms 9424 KB Ok
93 Correct 312 ms 9424 KB Ok
94 Correct 369 ms 9424 KB Ok
95 Correct 419 ms 10752 KB Ok
96 Correct 776 ms 14872 KB Ok
97 Correct 733 ms 14872 KB Ok
98 Correct 446 ms 14872 KB Ok
99 Correct 655 ms 14872 KB Ok
100 Correct 655 ms 14872 KB Ok
101 Correct 739 ms 14872 KB Ok
102 Correct 721 ms 14872 KB Ok
103 Correct 618 ms 14872 KB Ok
104 Correct 724 ms 14984 KB Ok
105 Correct 765 ms 14984 KB Ok
106 Correct 612 ms 14984 KB Ok
107 Correct 717 ms 14984 KB Ok
108 Correct 757 ms 14984 KB Ok
109 Correct 639 ms 14984 KB Ok
110 Correct 1386 ms 33256 KB Ok
111 Correct 1498 ms 33420 KB Ok
112 Correct 1402 ms 35400 KB Ok
113 Correct 1639 ms 35400 KB Ok
114 Correct 1671 ms 35400 KB Ok
115 Correct 1661 ms 35400 KB Ok
116 Correct 1624 ms 35400 KB Ok
117 Correct 1543 ms 35400 KB Ok
118 Correct 1517 ms 35400 KB Ok
119 Correct 1562 ms 35400 KB Ok
120 Correct 1497 ms 35400 KB Ok
121 Correct 1553 ms 35400 KB Ok
122 Correct 1527 ms 35400 KB Ok
123 Correct 1539 ms 35400 KB Ok
124 Correct 1449 ms 35400 KB Ok
125 Correct 1181 ms 35400 KB Ok