oj.uz

Submission #497795

# Submission time Handle Problem Language Result Execution time Memory
497795 2021-12-23T20:15:59 Z Ziel Nice sequence (IZhO18_sequence) C++17
100 / 100
 1181 ms 80092 KB 
/**
 * LES GREATEABLES BRO TEAM
**/

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
#define sz(x) (int)x.size()
const bool FLAG = true;
void setIO(const string &f = "");

#define int ll
const int N = 4e5 + 156;
int was[N], visited[N];
vector<int> g[N], order;

bool dfs(int v) {
	was[v] = 1;
	for (int to: g[v]) {
		if (!was[to]) {
			if (dfs(to))
				return true;
		} else if (was[to] == 1)
			return true;
	}
	was[v] = 2;
	return false;
}
void dfs2(int v) {
	visited[v] = 1;
	for (int to: g[v]) {
		if (!visited[to])
			dfs2(to);
	}
	order.push_back(v);
}

void solve() {
    int n, m;
    cin >> n >> m;
/*
    int lo = 0, hi = n + m, res = -1;
    while (lo <= hi) {
    	int mid = (lo + hi) / 2;

		for (int i = n; i <= mid; i++)
			g[i].push_back(i - n);
		for (int i = m; i <= mid; i++)
			g[i - m].push_back(i);

		bool have_cycle = false;
		for (int i = 0; i <= mid; i++) {
			if (!was[i] && dfs(i)) {
				have_cycle = true;
				break;
			}
		}
		for (int i = 0; i <= mid; i++) {
			was[i] = 0;
			if (sz(g[i])) g[i].clear();
		}

		if (have_cycle) {
			hi = mid - 1;
		} else {
			lo = mid + 1;
			res = mid;
		}
    }*/
    int res = n + m - gcd(n, m) - 1;

    cout << res << '\n';
    
    for (int i = n; i <= res; i++)
		g[i].push_back(i - n);
	for (int i = m; i <= res; i++)
		g[i - m].push_back(i);
    for (int i = 0; i <= res; i++) {
    	if (!visited[i])
    		dfs2(i);
    }
    reverse(order.begin(), order.end());
    vector<int> p(sz(order));
    for (int i = 0; i < sz(order); i++) {
    	p[order[i]] = i;
   	}
   	int x = p[0];
   	for (int i = 0; i < sz(p); i++)
   		p[i] -= x;
   	for (int i = 1; i < sz(p); i++)
   		cout << p[i] - p[i - 1] << ' ';

   	order.clear();
   	for (int i = 0; i <= res; i++) {
		was[i] = 0;
		visited[i] = 0;
		if (sz(g[i])) g[i].clear();
	}
    cout << '\n';
}
/*
0 2
1 3
3 0

2 1 3 0
*/

signed main() {
    setIO();
    
    int tt = 1;
    if (FLAG) {
    	cin >> tt;
    }
    while (tt--) {
    	solve();
    }
    
    return 0;
}

void setIO(const string &f) {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen((f + ".in").c_str(), "r")) {
        freopen((f + ".in").c_str(), "r", stdin);
        freopen((f + ".out").c_str(), "w", stdout);
    }
}

Compilation message

sequence.cpp: In function 'void setIO(const string&)':
sequence.cpp:129:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |         freopen((f + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:130:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  130 |         freopen((f + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 5 ms 9676 KB Ok
4 Correct 5 ms 9636 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 5 ms 9736 KB Ok
7 Correct 4 ms 9676 KB Ok
8 Correct 5 ms 9676 KB Ok
9 Correct 4 ms 9676 KB Ok
10 Correct 4 ms 9676 KB Ok
11 Correct 5 ms 9676 KB Ok
12 Correct 5 ms 9676 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9676 KB Ok
2 Correct 5 ms 9676 KB Ok
3 Correct 5 ms 9724 KB Ok
4 Correct 6 ms 9676 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 6 ms 9932 KB Ok
7 Correct 13 ms 10828 KB Ok
8 Correct 8 ms 10188 KB Ok
9 Correct 14 ms 11084 KB Ok
10 Correct 9 ms 10444 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 5 ms 9676 KB Ok
3 Correct 6 ms 9676 KB Ok
4 Correct 5 ms 9676 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 5 ms 9636 KB Ok
7 Correct 5 ms 9700 KB Ok
8 Correct 5 ms 9676 KB Ok
9 Correct 5 ms 9676 KB Ok
10 Correct 5 ms 9664 KB Ok
11 Correct 5 ms 9676 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 5 ms 9676 KB Ok
3 Correct 5 ms 9676 KB Ok
4 Correct 5 ms 9628 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 84 ms 30612 KB Ok
7 Correct 75 ms 30564 KB Ok
8 Correct 148 ms 34968 KB Ok
9 Correct 109 ms 30376 KB Ok
10 Correct 65 ms 24148 KB Ok
11 Correct 102 ms 36004 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 5 ms 9676 KB Ok
4 Correct 5 ms 9636 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 5 ms 9736 KB Ok
7 Correct 4 ms 9676 KB Ok
8 Correct 5 ms 9676 KB Ok
9 Correct 4 ms 9676 KB Ok
10 Correct 4 ms 9676 KB Ok
11 Correct 5 ms 9676 KB Ok
12 Correct 5 ms 9676 KB Ok
13 Correct 5 ms 9676 KB Ok
14 Correct 5 ms 9676 KB Ok
15 Correct 6 ms 9676 KB Ok
16 Correct 5 ms 9676 KB Ok
17 Correct 5 ms 9676 KB Ok
18 Correct 5 ms 9636 KB Ok
19 Correct 5 ms 9700 KB Ok
20 Correct 5 ms 9676 KB Ok
21 Correct 5 ms 9676 KB Ok
22 Correct 5 ms 9664 KB Ok
23 Correct 5 ms 9676 KB Ok
24 Correct 6 ms 9932 KB Ok
25 Correct 7 ms 9916 KB Ok
26 Correct 6 ms 9932 KB Ok
27 Correct 6 ms 9932 KB Ok
28 Correct 6 ms 9932 KB Ok
29 Correct 6 ms 9804 KB Ok
30 Correct 6 ms 9804 KB Ok
31 Correct 7 ms 9932 KB Ok
32 Correct 6 ms 9932 KB Ok
33 Correct 6 ms 9932 KB Ok
34 Correct 8 ms 10188 KB Ok
35 Correct 9 ms 10236 KB Ok
36 Correct 8 ms 10276 KB Ok
37 Correct 7 ms 10188 KB Ok
38 Correct 8 ms 10188 KB Ok
39 Correct 8 ms 10124 KB Ok
40 Correct 8 ms 10188 KB Ok
41 Correct 9 ms 10188 KB Ok
42 Correct 8 ms 10316 KB Ok
43 Correct 8 ms 10188 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 5 ms 9676 KB Ok
4 Correct 5 ms 9636 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 5 ms 9736 KB Ok
7 Correct 4 ms 9676 KB Ok
8 Correct 5 ms 9676 KB Ok
9 Correct 4 ms 9676 KB Ok
10 Correct 4 ms 9676 KB Ok
11 Correct 5 ms 9676 KB Ok
12 Correct 5 ms 9676 KB Ok
13 Correct 4 ms 9676 KB Ok
14 Correct 5 ms 9676 KB Ok
15 Correct 5 ms 9724 KB Ok
16 Correct 6 ms 9676 KB Ok
17 Correct 5 ms 9676 KB Ok
18 Correct 6 ms 9932 KB Ok
19 Correct 13 ms 10828 KB Ok
20 Correct 8 ms 10188 KB Ok
21 Correct 14 ms 11084 KB Ok
22 Correct 9 ms 10444 KB Ok
23 Correct 5 ms 9676 KB Ok
24 Correct 5 ms 9676 KB Ok
25 Correct 6 ms 9676 KB Ok
26 Correct 5 ms 9676 KB Ok
27 Correct 5 ms 9676 KB Ok
28 Correct 5 ms 9636 KB Ok
29 Correct 5 ms 9700 KB Ok
30 Correct 5 ms 9676 KB Ok
31 Correct 5 ms 9676 KB Ok
32 Correct 5 ms 9664 KB Ok
33 Correct 5 ms 9676 KB Ok
34 Correct 6 ms 9932 KB Ok
35 Correct 7 ms 9916 KB Ok
36 Correct 6 ms 9932 KB Ok
37 Correct 6 ms 9932 KB Ok
38 Correct 6 ms 9932 KB Ok
39 Correct 6 ms 9804 KB Ok
40 Correct 6 ms 9804 KB Ok
41 Correct 7 ms 9932 KB Ok
42 Correct 6 ms 9932 KB Ok
43 Correct 6 ms 9932 KB Ok
44 Correct 8 ms 10188 KB Ok
45 Correct 9 ms 10236 KB Ok
46 Correct 8 ms 10276 KB Ok
47 Correct 7 ms 10188 KB Ok
48 Correct 8 ms 10188 KB Ok
49 Correct 8 ms 10124 KB Ok
50 Correct 8 ms 10188 KB Ok
51 Correct 9 ms 10188 KB Ok
52 Correct 8 ms 10316 KB Ok
53 Correct 8 ms 10188 KB Ok
54 Correct 58 ms 17504 KB Ok
55 Correct 68 ms 18044 KB Ok
56 Correct 70 ms 18036 KB Ok
57 Correct 51 ms 16672 KB Ok
58 Correct 62 ms 17832 KB Ok
59 Correct 59 ms 17360 KB Ok
60 Correct 55 ms 16760 KB Ok
61 Correct 56 ms 17144 KB Ok
62 Correct 71 ms 18192 KB Ok
63 Correct 55 ms 17028 KB Ok
64 Correct 67 ms 17844 KB Ok
65 Correct 63 ms 17744 KB Ok
66 Correct 57 ms 17380 KB Ok
67 Correct 56 ms 17032 KB Ok
68 Correct 61 ms 17604 KB Ok
69 Correct 155 ms 26552 KB Ok
70 Correct 183 ms 26548 KB Ok
71 Correct 155 ms 24372 KB Ok
72 Correct 150 ms 26576 KB Ok
73 Correct 153 ms 24628 KB Ok
74 Correct 160 ms 25552 KB Ok
75 Correct 145 ms 26272 KB Ok
76 Correct 162 ms 26468 KB Ok
77 Correct 146 ms 25256 KB Ok
78 Correct 172 ms 26680 KB Ok
79 Correct 163 ms 25732 KB Ok
80 Correct 155 ms 24548 KB Ok
81 Correct 160 ms 26544 KB Ok
82 Correct 160 ms 25628 KB Ok
83 Correct 156 ms 26652 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Ok
2 Correct 6 ms 9676 KB Ok
3 Correct 5 ms 9676 KB Ok
4 Correct 5 ms 9636 KB Ok
5 Correct 5 ms 9676 KB Ok
6 Correct 5 ms 9736 KB Ok
7 Correct 4 ms 9676 KB Ok
8 Correct 5 ms 9676 KB Ok
9 Correct 4 ms 9676 KB Ok
10 Correct 4 ms 9676 KB Ok
11 Correct 5 ms 9676 KB Ok
12 Correct 5 ms 9676 KB Ok
13 Correct 4 ms 9676 KB Ok
14 Correct 5 ms 9676 KB Ok
15 Correct 5 ms 9724 KB Ok
16 Correct 6 ms 9676 KB Ok
17 Correct 5 ms 9676 KB Ok
18 Correct 6 ms 9932 KB Ok
19 Correct 13 ms 10828 KB Ok
20 Correct 8 ms 10188 KB Ok
21 Correct 14 ms 11084 KB Ok
22 Correct 9 ms 10444 KB Ok
23 Correct 5 ms 9676 KB Ok
24 Correct 5 ms 9676 KB Ok
25 Correct 6 ms 9676 KB Ok
26 Correct 5 ms 9676 KB Ok
27 Correct 5 ms 9676 KB Ok
28 Correct 5 ms 9636 KB Ok
29 Correct 5 ms 9700 KB Ok
30 Correct 5 ms 9676 KB Ok
31 Correct 5 ms 9676 KB Ok
32 Correct 5 ms 9664 KB Ok
33 Correct 5 ms 9676 KB Ok
34 Correct 5 ms 9676 KB Ok
35 Correct 5 ms 9676 KB Ok
36 Correct 5 ms 9676 KB Ok
37 Correct 5 ms 9628 KB Ok
38 Correct 5 ms 9676 KB Ok
39 Correct 84 ms 30612 KB Ok
40 Correct 75 ms 30564 KB Ok
41 Correct 148 ms 34968 KB Ok
42 Correct 109 ms 30376 KB Ok
43 Correct 65 ms 24148 KB Ok
44 Correct 102 ms 36004 KB Ok
45 Correct 6 ms 9932 KB Ok
46 Correct 7 ms 9916 KB Ok
47 Correct 6 ms 9932 KB Ok
48 Correct 6 ms 9932 KB Ok
49 Correct 6 ms 9932 KB Ok
50 Correct 6 ms 9804 KB Ok
51 Correct 6 ms 9804 KB Ok
52 Correct 7 ms 9932 KB Ok
53 Correct 6 ms 9932 KB Ok
54 Correct 6 ms 9932 KB Ok
55 Correct 8 ms 10188 KB Ok
56 Correct 9 ms 10236 KB Ok
57 Correct 8 ms 10276 KB Ok
58 Correct 7 ms 10188 KB Ok
59 Correct 8 ms 10188 KB Ok
60 Correct 8 ms 10124 KB Ok
61 Correct 8 ms 10188 KB Ok
62 Correct 9 ms 10188 KB Ok
63 Correct 8 ms 10316 KB Ok
64 Correct 8 ms 10188 KB Ok
65 Correct 58 ms 17504 KB Ok
66 Correct 68 ms 18044 KB Ok
67 Correct 70 ms 18036 KB Ok
68 Correct 51 ms 16672 KB Ok
69 Correct 62 ms 17832 KB Ok
70 Correct 59 ms 17360 KB Ok
71 Correct 55 ms 16760 KB Ok
72 Correct 56 ms 17144 KB Ok
73 Correct 71 ms 18192 KB Ok
74 Correct 55 ms 17028 KB Ok
75 Correct 67 ms 17844 KB Ok
76 Correct 63 ms 17744 KB Ok
77 Correct 57 ms 17380 KB Ok
78 Correct 56 ms 17032 KB Ok
79 Correct 61 ms 17604 KB Ok
80 Correct 155 ms 26552 KB Ok
81 Correct 183 ms 26548 KB Ok
82 Correct 155 ms 24372 KB Ok
83 Correct 150 ms 26576 KB Ok
84 Correct 153 ms 24628 KB Ok
85 Correct 160 ms 25552 KB Ok
86 Correct 145 ms 26272 KB Ok
87 Correct 162 ms 26468 KB Ok
88 Correct 146 ms 25256 KB Ok
89 Correct 172 ms 26680 KB Ok
90 Correct 163 ms 25732 KB Ok
91 Correct 155 ms 24548 KB Ok
92 Correct 160 ms 26544 KB Ok
93 Correct 160 ms 25628 KB Ok
94 Correct 156 ms 26652 KB Ok
95 Correct 156 ms 30224 KB Ok
96 Correct 227 ms 41024 KB Ok
97 Correct 202 ms 34800 KB Ok
98 Correct 156 ms 34192 KB Ok
99 Correct 181 ms 33832 KB Ok
100 Correct 187 ms 34056 KB Ok
101 Correct 193 ms 37360 KB Ok
102 Correct 195 ms 35796 KB Ok
103 Correct 183 ms 36784 KB Ok
104 Correct 215 ms 38596 KB Ok
105 Correct 220 ms 41608 KB Ok
106 Correct 176 ms 38864 KB Ok
107 Correct 198 ms 38320 KB Ok
108 Correct 230 ms 40548 KB Ok
109 Correct 212 ms 40396 KB Ok
110 Correct 984 ms 79460 KB Ok
111 Correct 1159 ms 80092 KB Ok
112 Correct 1130 ms 73468 KB Ok
113 Correct 941 ms 79136 KB Ok
114 Correct 1052 ms 72208 KB Ok
115 Correct 1181 ms 80076 KB Ok
116 Correct 1094 ms 79144 KB Ok
117 Correct 1073 ms 79896 KB Ok
118 Correct 1100 ms 70956 KB Ok
119 Correct 1080 ms 79096 KB Ok
120 Correct 1082 ms 80084 KB Ok
121 Correct 1022 ms 76888 KB Ok
122 Correct 994 ms 79728 KB Ok
123 Correct 1145 ms 76796 KB Ok
124 Correct 1027 ms 72616 KB Ok
125 Correct 338 ms 63624 KB Ok