oj.uz

Submission #89406

# Submission time Handle Problem Language Result Execution time Memory
89406 2018-12-13T15:02:15 Z nicksona Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 66384 KB 
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;
int n,m;
int t;
bool OK=true;
int M=0;
vector <int> v[400001];
int mas[400001];
int fix[400001],nmas[1000001];
void go (int u,int col){
	if (!OK) return ;
	fix[u]=col;
	for (int i=0;i<v[u].size();i++){
		int node=v[u][i];
		if (fix[node]==col){
			OK=false;
			return ;
		}
		
		if (!OK) return ;	
		if (fix[node]==0) go(node,col);
	}
}
inline bool check (int sz){
	
	for (int i=0;i<=sz;i++){
		if (i+n<=sz){
			v[i].pb(i+n);
		}
		if (i+m<=sz){
			v[i+m].pb(i);
		}
	}
	
	OK=true;
	for (int i=0;i<=sz;i++){
		if (fix[i]==0){
			go(i,i+1);
		}	
	}
	
	for (int i=0;i<=sz;i++){
		fix[i]=0;
		v[i].clear();
	}
	
	return OK;
}
void top_sort (int u){
	fix[u]=1;
	for (int i=0;i<v[u].size();i++){
		int node=v[u][i];
		if (fix[node]==0) top_sort(node);
	}
	mas[u]=++M;
}
inline void solve (int sz){
	
	for (int i=0;i<=sz;i++){
		if (i+n<=sz){
			v[i].pb(i+n);
		}
		if (i+m<=sz){
			v[i+m].pb(i);
		}
	}
	
	OK=true;
	for (int i=0;i<=sz;i++){
		if (fix[i]==0){
			top_sort(i);
		}	
	}
	
	
	for (int i=0;i<=sz;i++){
		nmas[i]=mas[i]-mas[i-1];
	}
	
	for (int i=0;i<=sz;i++){
		fix[i]=0;
		v[i].clear();
	}
}
main () {
	ios::sync_with_stdio(false);
	cin>>t;
	while (t--){
		cin>>n>>m;
		
		int k=0,ans=0;
		
		ans=m-__gcd(n,m)+n;
		ans--;
		
		M=0;
		if (ans>0) solve(ans);
		cout<<ans<<endl;
		for (int i=1;i<=ans;i++){
			cout<<nmas[i]<<" ";
		}
		cout<<endl;
	}
	return 0;
}
/*
1
2 4
  _   _   _          _
 | \ | | (_)        | |
 |  \| |  _    ___  | | __  ___    ___    _ __     __ _
 | . ` | | |  / __| | |/ / / __|  / _ \  | '_ \   / _` |
 | |\  | | | | (__  |   <  \__ \ | (_) | | | | | | (_| |
 |_| \_| |_|  \___| |_|\_\ |___/  \___/  |_| |_|  \__,_|
 
*/

Compilation message

sequence.cpp: In function 'void go(int, int)':
sequence.cpp:15:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0;i<v[u].size();i++){
               ~^~~~~~~~~~~~
sequence.cpp: In function 'void top_sort(int)':
sequence.cpp:53:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0;i<v[u].size();i++){
               ~^~~~~~~~~~~~
sequence.cpp: At global scope:
sequence.cpp:87:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
sequence.cpp: In function 'int main()':
sequence.cpp:93:7: warning: unused variable 'k' [-Wunused-variable]
   int k=0,ans=0;
       ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9856 KB Ok
3 Correct 10 ms 9856 KB Ok
4 Correct 10 ms 9908 KB Ok
5 Correct 10 ms 9908 KB Ok
6 Correct 11 ms 9908 KB Ok
7 Correct 10 ms 9908 KB Ok
8 Correct 11 ms 9920 KB Ok
9 Correct 11 ms 9920 KB Ok
10 Correct 12 ms 9920 KB Ok
11 Correct 11 ms 9920 KB Ok
12 Correct 11 ms 9920 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9920 KB Ok
2 Correct 9 ms 9936 KB Ok
3 Correct 10 ms 9940 KB Ok
4 Correct 12 ms 10116 KB Ok
5 Correct 10 ms 10116 KB Ok
6 Correct 13 ms 10144 KB Ok
7 Correct 19 ms 10928 KB Ok
8 Correct 14 ms 10928 KB Ok
9 Correct 20 ms 11076 KB Ok
10 Correct 16 ms 11076 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 11076 KB Ok
2 Correct 11 ms 11076 KB Ok
3 Correct 12 ms 11076 KB Ok
4 Correct 12 ms 11076 KB Ok
5 Correct 11 ms 11076 KB Ok
6 Correct 11 ms 11076 KB Ok
7 Correct 12 ms 11076 KB Ok
8 Correct 11 ms 11076 KB Ok
9 Correct 11 ms 11076 KB Ok
10 Correct 12 ms 11076 KB Ok
11 Correct 11 ms 11076 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 11076 KB Ok
2 Correct 11 ms 11076 KB Ok
3 Correct 11 ms 11076 KB Ok
4 Correct 10 ms 11076 KB Ok
5 Correct 10 ms 11076 KB Ok
6 Correct 114 ms 22588 KB Ok
7 Correct 106 ms 26892 KB Ok
8 Correct 198 ms 29924 KB Ok
9 Correct 138 ms 29924 KB Ok
10 Correct 79 ms 29924 KB Ok
11 Correct 126 ms 29924 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9856 KB Ok
3 Correct 10 ms 9856 KB Ok
4 Correct 10 ms 9908 KB Ok
5 Correct 10 ms 9908 KB Ok
6 Correct 11 ms 9908 KB Ok
7 Correct 10 ms 9908 KB Ok
8 Correct 11 ms 9920 KB Ok
9 Correct 11 ms 9920 KB Ok
10 Correct 12 ms 9920 KB Ok
11 Correct 11 ms 9920 KB Ok
12 Correct 11 ms 9920 KB Ok
13 Correct 10 ms 11076 KB Ok
14 Correct 11 ms 11076 KB Ok
15 Correct 12 ms 11076 KB Ok
16 Correct 12 ms 11076 KB Ok
17 Correct 11 ms 11076 KB Ok
18 Correct 11 ms 11076 KB Ok
19 Correct 12 ms 11076 KB Ok
20 Correct 11 ms 11076 KB Ok
21 Correct 11 ms 11076 KB Ok
22 Correct 12 ms 11076 KB Ok
23 Correct 11 ms 11076 KB Ok
24 Correct 12 ms 29924 KB Ok
25 Correct 17 ms 29924 KB Ok
26 Correct 13 ms 29924 KB Ok
27 Correct 14 ms 29924 KB Ok
28 Correct 12 ms 29924 KB Ok
29 Correct 13 ms 29924 KB Ok
30 Correct 13 ms 29924 KB Ok
31 Correct 14 ms 29924 KB Ok
32 Correct 14 ms 29924 KB Ok
33 Correct 14 ms 29924 KB Ok
34 Correct 16 ms 29924 KB Ok
35 Correct 16 ms 29924 KB Ok
36 Correct 16 ms 29924 KB Ok
37 Correct 17 ms 29924 KB Ok
38 Correct 17 ms 29924 KB Ok
39 Correct 16 ms 29924 KB Ok
40 Correct 17 ms 29924 KB Ok
41 Correct 16 ms 29924 KB Ok
42 Correct 16 ms 29924 KB Ok
43 Correct 16 ms 29924 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9856 KB Ok
3 Correct 10 ms 9856 KB Ok
4 Correct 10 ms 9908 KB Ok
5 Correct 10 ms 9908 KB Ok
6 Correct 11 ms 9908 KB Ok
7 Correct 10 ms 9908 KB Ok
8 Correct 11 ms 9920 KB Ok
9 Correct 11 ms 9920 KB Ok
10 Correct 12 ms 9920 KB Ok
11 Correct 11 ms 9920 KB Ok
12 Correct 11 ms 9920 KB Ok
13 Correct 11 ms 9920 KB Ok
14 Correct 9 ms 9936 KB Ok
15 Correct 10 ms 9940 KB Ok
16 Correct 12 ms 10116 KB Ok
17 Correct 10 ms 10116 KB Ok
18 Correct 13 ms 10144 KB Ok
19 Correct 19 ms 10928 KB Ok
20 Correct 14 ms 10928 KB Ok
21 Correct 20 ms 11076 KB Ok
22 Correct 16 ms 11076 KB Ok
23 Correct 10 ms 11076 KB Ok
24 Correct 11 ms 11076 KB Ok
25 Correct 12 ms 11076 KB Ok
26 Correct 12 ms 11076 KB Ok
27 Correct 11 ms 11076 KB Ok
28 Correct 11 ms 11076 KB Ok
29 Correct 12 ms 11076 KB Ok
30 Correct 11 ms 11076 KB Ok
31 Correct 11 ms 11076 KB Ok
32 Correct 12 ms 11076 KB Ok
33 Correct 11 ms 11076 KB Ok
34 Correct 12 ms 29924 KB Ok
35 Correct 17 ms 29924 KB Ok
36 Correct 13 ms 29924 KB Ok
37 Correct 14 ms 29924 KB Ok
38 Correct 12 ms 29924 KB Ok
39 Correct 13 ms 29924 KB Ok
40 Correct 13 ms 29924 KB Ok
41 Correct 14 ms 29924 KB Ok
42 Correct 14 ms 29924 KB Ok
43 Correct 14 ms 29924 KB Ok
44 Correct 16 ms 29924 KB Ok
45 Correct 16 ms 29924 KB Ok
46 Correct 16 ms 29924 KB Ok
47 Correct 17 ms 29924 KB Ok
48 Correct 17 ms 29924 KB Ok
49 Correct 16 ms 29924 KB Ok
50 Correct 17 ms 29924 KB Ok
51 Correct 16 ms 29924 KB Ok
52 Correct 16 ms 29924 KB Ok
53 Correct 16 ms 29924 KB Ok
54 Correct 98 ms 29924 KB Ok
55 Correct 115 ms 29924 KB Ok
56 Correct 108 ms 29924 KB Ok
57 Correct 77 ms 29924 KB Ok
58 Correct 88 ms 29924 KB Ok
59 Correct 85 ms 29924 KB Ok
60 Correct 74 ms 29924 KB Ok
61 Correct 78 ms 29924 KB Ok
62 Correct 99 ms 29924 KB Ok
63 Correct 83 ms 29924 KB Ok
64 Correct 115 ms 29924 KB Ok
65 Correct 90 ms 29924 KB Ok
66 Correct 84 ms 29924 KB Ok
67 Correct 80 ms 29924 KB Ok
68 Correct 87 ms 29924 KB Ok
69 Correct 274 ms 29924 KB Ok
70 Correct 300 ms 29924 KB Ok
71 Correct 262 ms 29924 KB Ok
72 Correct 240 ms 29924 KB Ok
73 Correct 302 ms 29924 KB Ok
74 Correct 348 ms 29924 KB Ok
75 Correct 252 ms 29924 KB Ok
76 Correct 273 ms 29924 KB Ok
77 Correct 207 ms 29924 KB Ok
78 Correct 207 ms 29924 KB Ok
79 Correct 260 ms 29924 KB Ok
80 Correct 195 ms 29924 KB Ok
81 Correct 198 ms 29924 KB Ok
82 Correct 205 ms 29924 KB Ok
83 Correct 248 ms 29924 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 9 ms 9856 KB Ok
3 Correct 10 ms 9856 KB Ok
4 Correct 10 ms 9908 KB Ok
5 Correct 10 ms 9908 KB Ok
6 Correct 11 ms 9908 KB Ok
7 Correct 10 ms 9908 KB Ok
8 Correct 11 ms 9920 KB Ok
9 Correct 11 ms 9920 KB Ok
10 Correct 12 ms 9920 KB Ok
11 Correct 11 ms 9920 KB Ok
12 Correct 11 ms 9920 KB Ok
13 Correct 11 ms 9920 KB Ok
14 Correct 9 ms 9936 KB Ok
15 Correct 10 ms 9940 KB Ok
16 Correct 12 ms 10116 KB Ok
17 Correct 10 ms 10116 KB Ok
18 Correct 13 ms 10144 KB Ok
19 Correct 19 ms 10928 KB Ok
20 Correct 14 ms 10928 KB Ok
21 Correct 20 ms 11076 KB Ok
22 Correct 16 ms 11076 KB Ok
23 Correct 10 ms 11076 KB Ok
24 Correct 11 ms 11076 KB Ok
25 Correct 12 ms 11076 KB Ok
26 Correct 12 ms 11076 KB Ok
27 Correct 11 ms 11076 KB Ok
28 Correct 11 ms 11076 KB Ok
29 Correct 12 ms 11076 KB Ok
30 Correct 11 ms 11076 KB Ok
31 Correct 11 ms 11076 KB Ok
32 Correct 12 ms 11076 KB Ok
33 Correct 11 ms 11076 KB Ok
34 Correct 11 ms 11076 KB Ok
35 Correct 11 ms 11076 KB Ok
36 Correct 11 ms 11076 KB Ok
37 Correct 10 ms 11076 KB Ok
38 Correct 10 ms 11076 KB Ok
39 Correct 114 ms 22588 KB Ok
40 Correct 106 ms 26892 KB Ok
41 Correct 198 ms 29924 KB Ok
42 Correct 138 ms 29924 KB Ok
43 Correct 79 ms 29924 KB Ok
44 Correct 126 ms 29924 KB Ok
45 Correct 12 ms 29924 KB Ok
46 Correct 17 ms 29924 KB Ok
47 Correct 13 ms 29924 KB Ok
48 Correct 14 ms 29924 KB Ok
49 Correct 12 ms 29924 KB Ok
50 Correct 13 ms 29924 KB Ok
51 Correct 13 ms 29924 KB Ok
52 Correct 14 ms 29924 KB Ok
53 Correct 14 ms 29924 KB Ok
54 Correct 14 ms 29924 KB Ok
55 Correct 16 ms 29924 KB Ok
56 Correct 16 ms 29924 KB Ok
57 Correct 16 ms 29924 KB Ok
58 Correct 17 ms 29924 KB Ok
59 Correct 17 ms 29924 KB Ok
60 Correct 16 ms 29924 KB Ok
61 Correct 17 ms 29924 KB Ok
62 Correct 16 ms 29924 KB Ok
63 Correct 16 ms 29924 KB Ok
64 Correct 16 ms 29924 KB Ok
65 Correct 98 ms 29924 KB Ok
66 Correct 115 ms 29924 KB Ok
67 Correct 108 ms 29924 KB Ok
68 Correct 77 ms 29924 KB Ok
69 Correct 88 ms 29924 KB Ok
70 Correct 85 ms 29924 KB Ok
71 Correct 74 ms 29924 KB Ok
72 Correct 78 ms 29924 KB Ok
73 Correct 99 ms 29924 KB Ok
74 Correct 83 ms 29924 KB Ok
75 Correct 115 ms 29924 KB Ok
76 Correct 90 ms 29924 KB Ok
77 Correct 84 ms 29924 KB Ok
78 Correct 80 ms 29924 KB Ok
79 Correct 87 ms 29924 KB Ok
80 Correct 274 ms 29924 KB Ok
81 Correct 300 ms 29924 KB Ok
82 Correct 262 ms 29924 KB Ok
83 Correct 240 ms 29924 KB Ok
84 Correct 302 ms 29924 KB Ok
85 Correct 348 ms 29924 KB Ok
86 Correct 252 ms 29924 KB Ok
87 Correct 273 ms 29924 KB Ok
88 Correct 207 ms 29924 KB Ok
89 Correct 207 ms 29924 KB Ok
90 Correct 260 ms 29924 KB Ok
91 Correct 195 ms 29924 KB Ok
92 Correct 198 ms 29924 KB Ok
93 Correct 205 ms 29924 KB Ok
94 Correct 248 ms 29924 KB Ok
95 Correct 257 ms 29924 KB Ok
96 Correct 381 ms 31144 KB Ok
97 Correct 319 ms 31144 KB Ok
98 Correct 207 ms 31144 KB Ok
99 Correct 242 ms 31144 KB Ok
100 Correct 263 ms 31144 KB Ok
101 Correct 304 ms 31144 KB Ok
102 Correct 268 ms 31144 KB Ok
103 Correct 259 ms 31144 KB Ok
104 Correct 339 ms 31144 KB Ok
105 Correct 302 ms 31144 KB Ok
106 Correct 273 ms 31308 KB Ok
107 Correct 316 ms 31308 KB Ok
108 Correct 370 ms 31308 KB Ok
109 Correct 388 ms 32044 KB Ok
110 Correct 1815 ms 63864 KB Ok
111 Correct 1590 ms 65900 KB Ok
112 Correct 1490 ms 65900 KB Ok
113 Correct 1903 ms 66124 KB Ok
114 Correct 1763 ms 66384 KB Ok
115 Execution timed out 2039 ms 66384 KB Time limit exceeded
116 Halted 0 ms 0 KB -