oj.uz

Submission #89394

# Submission time Handle Problem Language Result Execution time Memory
89394 2018-12-13T08:10:00 Z nicksona Nice sequence (IZhO18_sequence) C++14
76 / 100
 2000 ms 46936 KB 
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;
int n,m;
int t;
vector <int> v[1000001];
bool OK=true;
int M=0;
int mas[1000001];
int fix[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;
}

int nmas[1000001];
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 b=0,e=n+m,mid,ans=0;
		while (b<=e){
			mid= b + e >> 1;
			if (check(mid)){
				ans=mid;
				b=mid+1;
			}
			else{
				e=mid-1;
			}
		}
		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:54:16: 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:90:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
sequence.cpp: In function 'int main()':
sequence.cpp:97:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    mid= b + e >> 1;
         ~~^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23800 KB Ok
2 Correct 23 ms 23928 KB Ok
3 Correct 25 ms 24008 KB Ok
4 Correct 25 ms 24188 KB Ok
5 Correct 25 ms 24188 KB Ok
6 Correct 26 ms 24188 KB Ok
7 Correct 25 ms 24192 KB Ok
8 Correct 21 ms 24192 KB Ok
9 Correct 25 ms 24192 KB Ok
10 Correct 24 ms 24192 KB Ok
11 Correct 25 ms 24192 KB Ok
12 Correct 25 ms 24192 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 24192 KB Ok
2 Correct 25 ms 24192 KB Ok
3 Correct 25 ms 24192 KB Ok
4 Correct 26 ms 24192 KB Ok
5 Correct 25 ms 24192 KB Ok
6 Correct 28 ms 24384 KB Ok
7 Correct 54 ms 25156 KB Ok
8 Correct 37 ms 25156 KB Ok
9 Correct 57 ms 25360 KB Ok
10 Correct 44 ms 25360 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 25360 KB Ok
2 Correct 23 ms 25360 KB Ok
3 Correct 25 ms 25360 KB Ok
4 Correct 27 ms 25360 KB Ok
5 Correct 25 ms 25360 KB Ok
6 Correct 25 ms 25360 KB Ok
7 Correct 25 ms 25360 KB Ok
8 Correct 25 ms 25360 KB Ok
9 Correct 26 ms 25360 KB Ok
10 Correct 25 ms 25360 KB Ok
11 Correct 25 ms 25360 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 25360 KB Ok
2 Correct 25 ms 25360 KB Ok
3 Correct 25 ms 25360 KB Ok
4 Correct 26 ms 25360 KB Ok
5 Correct 26 ms 25360 KB Ok
6 Correct 444 ms 39536 KB Ok
7 Correct 426 ms 41100 KB Ok
8 Correct 910 ms 43912 KB Ok
9 Correct 488 ms 43912 KB Ok
10 Correct 273 ms 43912 KB Ok
11 Correct 423 ms 43912 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23800 KB Ok
2 Correct 23 ms 23928 KB Ok
3 Correct 25 ms 24008 KB Ok
4 Correct 25 ms 24188 KB Ok
5 Correct 25 ms 24188 KB Ok
6 Correct 26 ms 24188 KB Ok
7 Correct 25 ms 24192 KB Ok
8 Correct 21 ms 24192 KB Ok
9 Correct 25 ms 24192 KB Ok
10 Correct 24 ms 24192 KB Ok
11 Correct 25 ms 24192 KB Ok
12 Correct 25 ms 24192 KB Ok
13 Correct 26 ms 25360 KB Ok
14 Correct 23 ms 25360 KB Ok
15 Correct 25 ms 25360 KB Ok
16 Correct 27 ms 25360 KB Ok
17 Correct 25 ms 25360 KB Ok
18 Correct 25 ms 25360 KB Ok
19 Correct 25 ms 25360 KB Ok
20 Correct 25 ms 25360 KB Ok
21 Correct 26 ms 25360 KB Ok
22 Correct 25 ms 25360 KB Ok
23 Correct 25 ms 25360 KB Ok
24 Correct 26 ms 43912 KB Ok
25 Correct 26 ms 43912 KB Ok
26 Correct 26 ms 43912 KB Ok
27 Correct 25 ms 43912 KB Ok
28 Correct 25 ms 43912 KB Ok
29 Correct 26 ms 43912 KB Ok
30 Correct 24 ms 43912 KB Ok
31 Correct 26 ms 43912 KB Ok
32 Correct 25 ms 43912 KB Ok
33 Correct 29 ms 43912 KB Ok
34 Correct 32 ms 43912 KB Ok
35 Correct 37 ms 43912 KB Ok
36 Correct 34 ms 43912 KB Ok
37 Correct 37 ms 43912 KB Ok
38 Correct 33 ms 43912 KB Ok
39 Correct 33 ms 43912 KB Ok
40 Correct 35 ms 43912 KB Ok
41 Correct 33 ms 43912 KB Ok
42 Correct 34 ms 43912 KB Ok
43 Correct 34 ms 43912 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23800 KB Ok
2 Correct 23 ms 23928 KB Ok
3 Correct 25 ms 24008 KB Ok
4 Correct 25 ms 24188 KB Ok
5 Correct 25 ms 24188 KB Ok
6 Correct 26 ms 24188 KB Ok
7 Correct 25 ms 24192 KB Ok
8 Correct 21 ms 24192 KB Ok
9 Correct 25 ms 24192 KB Ok
10 Correct 24 ms 24192 KB Ok
11 Correct 25 ms 24192 KB Ok
12 Correct 25 ms 24192 KB Ok
13 Correct 25 ms 24192 KB Ok
14 Correct 25 ms 24192 KB Ok
15 Correct 25 ms 24192 KB Ok
16 Correct 26 ms 24192 KB Ok
17 Correct 25 ms 24192 KB Ok
18 Correct 28 ms 24384 KB Ok
19 Correct 54 ms 25156 KB Ok
20 Correct 37 ms 25156 KB Ok
21 Correct 57 ms 25360 KB Ok
22 Correct 44 ms 25360 KB Ok
23 Correct 26 ms 25360 KB Ok
24 Correct 23 ms 25360 KB Ok
25 Correct 25 ms 25360 KB Ok
26 Correct 27 ms 25360 KB Ok
27 Correct 25 ms 25360 KB Ok
28 Correct 25 ms 25360 KB Ok
29 Correct 25 ms 25360 KB Ok
30 Correct 25 ms 25360 KB Ok
31 Correct 26 ms 25360 KB Ok
32 Correct 25 ms 25360 KB Ok
33 Correct 25 ms 25360 KB Ok
34 Correct 26 ms 43912 KB Ok
35 Correct 26 ms 43912 KB Ok
36 Correct 26 ms 43912 KB Ok
37 Correct 25 ms 43912 KB Ok
38 Correct 25 ms 43912 KB Ok
39 Correct 26 ms 43912 KB Ok
40 Correct 24 ms 43912 KB Ok
41 Correct 26 ms 43912 KB Ok
42 Correct 25 ms 43912 KB Ok
43 Correct 29 ms 43912 KB Ok
44 Correct 32 ms 43912 KB Ok
45 Correct 37 ms 43912 KB Ok
46 Correct 34 ms 43912 KB Ok
47 Correct 37 ms 43912 KB Ok
48 Correct 33 ms 43912 KB Ok
49 Correct 33 ms 43912 KB Ok
50 Correct 35 ms 43912 KB Ok
51 Correct 33 ms 43912 KB Ok
52 Correct 34 ms 43912 KB Ok
53 Correct 34 ms 43912 KB Ok
54 Correct 315 ms 43912 KB Ok
55 Correct 365 ms 43912 KB Ok
56 Correct 402 ms 43912 KB Ok
57 Correct 237 ms 43912 KB Ok
58 Correct 281 ms 43912 KB Ok
59 Correct 243 ms 43912 KB Ok
60 Correct 217 ms 43912 KB Ok
61 Correct 232 ms 43912 KB Ok
62 Correct 306 ms 43912 KB Ok
63 Correct 279 ms 43912 KB Ok
64 Correct 359 ms 43912 KB Ok
65 Correct 284 ms 43912 KB Ok
66 Correct 261 ms 43912 KB Ok
67 Correct 253 ms 43912 KB Ok
68 Correct 265 ms 43912 KB Ok
69 Correct 861 ms 43912 KB Ok
70 Correct 1102 ms 43912 KB Ok
71 Correct 985 ms 43912 KB Ok
72 Correct 948 ms 43912 KB Ok
73 Correct 1135 ms 43912 KB Ok
74 Correct 941 ms 43912 KB Ok
75 Correct 1024 ms 43912 KB Ok
76 Correct 1460 ms 43912 KB Ok
77 Correct 989 ms 43912 KB Ok
78 Correct 1031 ms 43912 KB Ok
79 Correct 1148 ms 43912 KB Ok
80 Correct 1020 ms 43912 KB Ok
81 Correct 1080 ms 43912 KB Ok
82 Correct 889 ms 43912 KB Ok
83 Correct 932 ms 43912 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 23800 KB Ok
2 Correct 23 ms 23928 KB Ok
3 Correct 25 ms 24008 KB Ok
4 Correct 25 ms 24188 KB Ok
5 Correct 25 ms 24188 KB Ok
6 Correct 26 ms 24188 KB Ok
7 Correct 25 ms 24192 KB Ok
8 Correct 21 ms 24192 KB Ok
9 Correct 25 ms 24192 KB Ok
10 Correct 24 ms 24192 KB Ok
11 Correct 25 ms 24192 KB Ok
12 Correct 25 ms 24192 KB Ok
13 Correct 25 ms 24192 KB Ok
14 Correct 25 ms 24192 KB Ok
15 Correct 25 ms 24192 KB Ok
16 Correct 26 ms 24192 KB Ok
17 Correct 25 ms 24192 KB Ok
18 Correct 28 ms 24384 KB Ok
19 Correct 54 ms 25156 KB Ok
20 Correct 37 ms 25156 KB Ok
21 Correct 57 ms 25360 KB Ok
22 Correct 44 ms 25360 KB Ok
23 Correct 26 ms 25360 KB Ok
24 Correct 23 ms 25360 KB Ok
25 Correct 25 ms 25360 KB Ok
26 Correct 27 ms 25360 KB Ok
27 Correct 25 ms 25360 KB Ok
28 Correct 25 ms 25360 KB Ok
29 Correct 25 ms 25360 KB Ok
30 Correct 25 ms 25360 KB Ok
31 Correct 26 ms 25360 KB Ok
32 Correct 25 ms 25360 KB Ok
33 Correct 25 ms 25360 KB Ok
34 Correct 26 ms 25360 KB Ok
35 Correct 25 ms 25360 KB Ok
36 Correct 25 ms 25360 KB Ok
37 Correct 26 ms 25360 KB Ok
38 Correct 26 ms 25360 KB Ok
39 Correct 444 ms 39536 KB Ok
40 Correct 426 ms 41100 KB Ok
41 Correct 910 ms 43912 KB Ok
42 Correct 488 ms 43912 KB Ok
43 Correct 273 ms 43912 KB Ok
44 Correct 423 ms 43912 KB Ok
45 Correct 26 ms 43912 KB Ok
46 Correct 26 ms 43912 KB Ok
47 Correct 26 ms 43912 KB Ok
48 Correct 25 ms 43912 KB Ok
49 Correct 25 ms 43912 KB Ok
50 Correct 26 ms 43912 KB Ok
51 Correct 24 ms 43912 KB Ok
52 Correct 26 ms 43912 KB Ok
53 Correct 25 ms 43912 KB Ok
54 Correct 29 ms 43912 KB Ok
55 Correct 32 ms 43912 KB Ok
56 Correct 37 ms 43912 KB Ok
57 Correct 34 ms 43912 KB Ok
58 Correct 37 ms 43912 KB Ok
59 Correct 33 ms 43912 KB Ok
60 Correct 33 ms 43912 KB Ok
61 Correct 35 ms 43912 KB Ok
62 Correct 33 ms 43912 KB Ok
63 Correct 34 ms 43912 KB Ok
64 Correct 34 ms 43912 KB Ok
65 Correct 315 ms 43912 KB Ok
66 Correct 365 ms 43912 KB Ok
67 Correct 402 ms 43912 KB Ok
68 Correct 237 ms 43912 KB Ok
69 Correct 281 ms 43912 KB Ok
70 Correct 243 ms 43912 KB Ok
71 Correct 217 ms 43912 KB Ok
72 Correct 232 ms 43912 KB Ok
73 Correct 306 ms 43912 KB Ok
74 Correct 279 ms 43912 KB Ok
75 Correct 359 ms 43912 KB Ok
76 Correct 284 ms 43912 KB Ok
77 Correct 261 ms 43912 KB Ok
78 Correct 253 ms 43912 KB Ok
79 Correct 265 ms 43912 KB Ok
80 Correct 861 ms 43912 KB Ok
81 Correct 1102 ms 43912 KB Ok
82 Correct 985 ms 43912 KB Ok
83 Correct 948 ms 43912 KB Ok
84 Correct 1135 ms 43912 KB Ok
85 Correct 941 ms 43912 KB Ok
86 Correct 1024 ms 43912 KB Ok
87 Correct 1460 ms 43912 KB Ok
88 Correct 989 ms 43912 KB Ok
89 Correct 1031 ms 43912 KB Ok
90 Correct 1148 ms 43912 KB Ok
91 Correct 1020 ms 43912 KB Ok
92 Correct 1080 ms 43912 KB Ok
93 Correct 889 ms 43912 KB Ok
94 Correct 932 ms 43912 KB Ok
95 Correct 1077 ms 43912 KB Ok
96 Correct 1566 ms 45608 KB Ok
97 Correct 1316 ms 45608 KB Ok
98 Correct 767 ms 45608 KB Ok
99 Correct 1008 ms 45608 KB Ok
100 Correct 1153 ms 45608 KB Ok
101 Correct 1150 ms 45608 KB Ok
102 Correct 1055 ms 45608 KB Ok
103 Correct 879 ms 45608 KB Ok
104 Correct 1577 ms 45608 KB Ok
105 Correct 1394 ms 45608 KB Ok
106 Correct 1291 ms 45608 KB Ok
107 Correct 1251 ms 45608 KB Ok
108 Correct 1744 ms 45608 KB Ok
109 Correct 1424 ms 46332 KB Ok
110 Execution timed out 2062 ms 46936 KB Time limit exceeded
111 Halted 0 ms 0 KB -