oj.uz

Submission #334949

# Submission time Handle Problem Language Result Execution time Memory
334949 2020-12-10T12:32:15 Z tengiz05 Nice sequence (IZhO18_sequence) C++17
100 / 100
 481 ms 50260 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define pii pair<int, int>
#define ff first
#define ss second
#define PI acos(-1)
#define ld long double
const int mod = 1e9+7, N = 4e6+5;
int msb(int val){return sizeof(int)*8-__builtin_clzll(val);}
int a[N], n, m, k;
bool used[N];
vector<int> order;
int md;
void dfs(int u){
	used[u] = true;
	if(u-n >= 0 && !used[u-n])dfs(u-n);
	if(u+m <= md && !used[u+m])dfs(u+m);
	order.pb(u);
}

bool check(int mid){
	int i;
	md = mid;
	order.clear();
	memset(used, 0, sizeof(used));
	for(i=0;i<=mid;i++)if(!used[i])dfs(i);
	for(i=0;i<=mid;i++)a[order[i]] = i;
	for(i=0;i<=n;i++){
		if(i-n >= 0){
			if(i==n){
				if(a[i]>=0)return false;
			}else if(a[i]-a[i-n-1] >=0)return false;
		}else {
			if(i==m){
				if(a[i]>=0)return false;
			}else if(a[i]-a[i-m-1] >=0)return false;
		}
	}return true;
}
void solve(int test_case){
	int i, j;
	cin >> n >> m;
	int l = n+m-1-__gcd(n,m);
	check(l);
	cout << l << '\n';
	for(i=1;i<=l;i++){
		cout << -(a[i]-a[i-1]) << ' ';
	}cout << '\n';
	return;
}

signed main(){
	FASTIO;
#define MULTITEST 1
#if MULTITEST
	int ___T;
	cin >> ___T;
	for(int T_CASE = 1; T_CASE <= ___T; T_CASE++)
		solve(T_CASE);
#else
	solve(1);
#endif
	return 0;
}

Compilation message

sequence.cpp: In function 'void solve(long long int)':
sequence.cpp:45:9: warning: unused variable 'j' [-Wunused-variable]
   45 |  int i, j;
      |         ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 4 ms 4204 KB Ok
7 Correct 4 ms 4204 KB Ok
8 Correct 4 ms 4204 KB Ok
9 Correct 4 ms 4204 KB Ok
10 Correct 4 ms 4204 KB Ok
11 Correct 4 ms 4204 KB Ok
12 Correct 4 ms 4204 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 6 ms 4332 KB Ok
7 Correct 13 ms 5100 KB Ok
8 Correct 9 ms 4588 KB Ok
9 Correct 16 ms 5228 KB Ok
10 Correct 10 ms 4716 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 6 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 4 ms 4332 KB Ok
7 Correct 4 ms 4204 KB Ok
8 Correct 4 ms 4204 KB Ok
9 Correct 4 ms 4204 KB Ok
10 Correct 4 ms 4204 KB Ok
11 Correct 4 ms 4204 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 93 ms 15332 KB Ok
7 Correct 78 ms 14200 KB Ok
8 Correct 141 ms 17252 KB Ok
9 Correct 128 ms 15460 KB Ok
10 Correct 73 ms 11880 KB Ok
11 Correct 114 ms 18532 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 4 ms 4204 KB Ok
7 Correct 4 ms 4204 KB Ok
8 Correct 4 ms 4204 KB Ok
9 Correct 4 ms 4204 KB Ok
10 Correct 4 ms 4204 KB Ok
11 Correct 4 ms 4204 KB Ok
12 Correct 4 ms 4204 KB Ok
13 Correct 3 ms 4204 KB Ok
14 Correct 4 ms 4204 KB Ok
15 Correct 6 ms 4204 KB Ok
16 Correct 4 ms 4204 KB Ok
17 Correct 4 ms 4204 KB Ok
18 Correct 4 ms 4332 KB Ok
19 Correct 4 ms 4204 KB Ok
20 Correct 4 ms 4204 KB Ok
21 Correct 4 ms 4204 KB Ok
22 Correct 4 ms 4204 KB Ok
23 Correct 4 ms 4204 KB Ok
24 Correct 6 ms 4332 KB Ok
25 Correct 6 ms 4460 KB Ok
26 Correct 6 ms 4460 KB Ok
27 Correct 6 ms 4332 KB Ok
28 Correct 6 ms 4332 KB Ok
29 Correct 6 ms 4332 KB Ok
30 Correct 6 ms 4332 KB Ok
31 Correct 7 ms 4460 KB Ok
32 Correct 6 ms 4332 KB Ok
33 Correct 6 ms 4332 KB Ok
34 Correct 9 ms 4588 KB Ok
35 Correct 8 ms 4588 KB Ok
36 Correct 8 ms 4588 KB Ok
37 Correct 8 ms 4588 KB Ok
38 Correct 8 ms 4588 KB Ok
39 Correct 8 ms 4588 KB Ok
40 Correct 8 ms 4588 KB Ok
41 Correct 8 ms 4588 KB Ok
42 Correct 8 ms 4588 KB Ok
43 Correct 8 ms 4588 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 4 ms 4204 KB Ok
7 Correct 4 ms 4204 KB Ok
8 Correct 4 ms 4204 KB Ok
9 Correct 4 ms 4204 KB Ok
10 Correct 4 ms 4204 KB Ok
11 Correct 4 ms 4204 KB Ok
12 Correct 4 ms 4204 KB Ok
13 Correct 4 ms 4204 KB Ok
14 Correct 4 ms 4204 KB Ok
15 Correct 4 ms 4204 KB Ok
16 Correct 4 ms 4204 KB Ok
17 Correct 4 ms 4204 KB Ok
18 Correct 6 ms 4332 KB Ok
19 Correct 13 ms 5100 KB Ok
20 Correct 9 ms 4588 KB Ok
21 Correct 16 ms 5228 KB Ok
22 Correct 10 ms 4716 KB Ok
23 Correct 3 ms 4204 KB Ok
24 Correct 4 ms 4204 KB Ok
25 Correct 6 ms 4204 KB Ok
26 Correct 4 ms 4204 KB Ok
27 Correct 4 ms 4204 KB Ok
28 Correct 4 ms 4332 KB Ok
29 Correct 4 ms 4204 KB Ok
30 Correct 4 ms 4204 KB Ok
31 Correct 4 ms 4204 KB Ok
32 Correct 4 ms 4204 KB Ok
33 Correct 4 ms 4204 KB Ok
34 Correct 6 ms 4332 KB Ok
35 Correct 6 ms 4460 KB Ok
36 Correct 6 ms 4460 KB Ok
37 Correct 6 ms 4332 KB Ok
38 Correct 6 ms 4332 KB Ok
39 Correct 6 ms 4332 KB Ok
40 Correct 6 ms 4332 KB Ok
41 Correct 7 ms 4460 KB Ok
42 Correct 6 ms 4332 KB Ok
43 Correct 6 ms 4332 KB Ok
44 Correct 9 ms 4588 KB Ok
45 Correct 8 ms 4588 KB Ok
46 Correct 8 ms 4588 KB Ok
47 Correct 8 ms 4588 KB Ok
48 Correct 8 ms 4588 KB Ok
49 Correct 8 ms 4588 KB Ok
50 Correct 8 ms 4588 KB Ok
51 Correct 8 ms 4588 KB Ok
52 Correct 8 ms 4588 KB Ok
53 Correct 8 ms 4588 KB Ok
54 Correct 69 ms 8040 KB Ok
55 Correct 79 ms 8552 KB Ok
56 Correct 79 ms 8424 KB Ok
57 Correct 61 ms 7484 KB Ok
58 Correct 73 ms 8296 KB Ok
59 Correct 70 ms 8040 KB Ok
60 Correct 62 ms 7656 KB Ok
61 Correct 63 ms 7912 KB Ok
62 Correct 80 ms 8808 KB Ok
63 Correct 66 ms 7912 KB Ok
64 Correct 80 ms 8424 KB Ok
65 Correct 74 ms 8296 KB Ok
66 Correct 68 ms 7912 KB Ok
67 Correct 62 ms 7656 KB Ok
68 Correct 69 ms 8168 KB Ok
69 Correct 118 ms 15208 KB Ok
70 Correct 118 ms 15208 KB Ok
71 Correct 117 ms 13672 KB Ok
72 Correct 117 ms 15208 KB Ok
73 Correct 117 ms 13928 KB Ok
74 Correct 115 ms 14492 KB Ok
75 Correct 118 ms 14952 KB Ok
76 Correct 120 ms 15208 KB Ok
77 Correct 115 ms 14184 KB Ok
78 Correct 121 ms 15080 KB Ok
79 Correct 120 ms 14696 KB Ok
80 Correct 118 ms 13800 KB Ok
81 Correct 120 ms 15208 KB Ok
82 Correct 117 ms 14568 KB Ok
83 Correct 120 ms 15208 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4204 KB Ok
2 Correct 4 ms 4204 KB Ok
3 Correct 4 ms 4204 KB Ok
4 Correct 4 ms 4204 KB Ok
5 Correct 4 ms 4204 KB Ok
6 Correct 4 ms 4204 KB Ok
7 Correct 4 ms 4204 KB Ok
8 Correct 4 ms 4204 KB Ok
9 Correct 4 ms 4204 KB Ok
10 Correct 4 ms 4204 KB Ok
11 Correct 4 ms 4204 KB Ok
12 Correct 4 ms 4204 KB Ok
13 Correct 4 ms 4204 KB Ok
14 Correct 4 ms 4204 KB Ok
15 Correct 4 ms 4204 KB Ok
16 Correct 4 ms 4204 KB Ok
17 Correct 4 ms 4204 KB Ok
18 Correct 6 ms 4332 KB Ok
19 Correct 13 ms 5100 KB Ok
20 Correct 9 ms 4588 KB Ok
21 Correct 16 ms 5228 KB Ok
22 Correct 10 ms 4716 KB Ok
23 Correct 3 ms 4204 KB Ok
24 Correct 4 ms 4204 KB Ok
25 Correct 6 ms 4204 KB Ok
26 Correct 4 ms 4204 KB Ok
27 Correct 4 ms 4204 KB Ok
28 Correct 4 ms 4332 KB Ok
29 Correct 4 ms 4204 KB Ok
30 Correct 4 ms 4204 KB Ok
31 Correct 4 ms 4204 KB Ok
32 Correct 4 ms 4204 KB Ok
33 Correct 4 ms 4204 KB Ok
34 Correct 4 ms 4204 KB Ok
35 Correct 4 ms 4204 KB Ok
36 Correct 4 ms 4204 KB Ok
37 Correct 4 ms 4204 KB Ok
38 Correct 4 ms 4204 KB Ok
39 Correct 93 ms 15332 KB Ok
40 Correct 78 ms 14200 KB Ok
41 Correct 141 ms 17252 KB Ok
42 Correct 128 ms 15460 KB Ok
43 Correct 73 ms 11880 KB Ok
44 Correct 114 ms 18532 KB Ok
45 Correct 6 ms 4332 KB Ok
46 Correct 6 ms 4460 KB Ok
47 Correct 6 ms 4460 KB Ok
48 Correct 6 ms 4332 KB Ok
49 Correct 6 ms 4332 KB Ok
50 Correct 6 ms 4332 KB Ok
51 Correct 6 ms 4332 KB Ok
52 Correct 7 ms 4460 KB Ok
53 Correct 6 ms 4332 KB Ok
54 Correct 6 ms 4332 KB Ok
55 Correct 9 ms 4588 KB Ok
56 Correct 8 ms 4588 KB Ok
57 Correct 8 ms 4588 KB Ok
58 Correct 8 ms 4588 KB Ok
59 Correct 8 ms 4588 KB Ok
60 Correct 8 ms 4588 KB Ok
61 Correct 8 ms 4588 KB Ok
62 Correct 8 ms 4588 KB Ok
63 Correct 8 ms 4588 KB Ok
64 Correct 8 ms 4588 KB Ok
65 Correct 69 ms 8040 KB Ok
66 Correct 79 ms 8552 KB Ok
67 Correct 79 ms 8424 KB Ok
68 Correct 61 ms 7484 KB Ok
69 Correct 73 ms 8296 KB Ok
70 Correct 70 ms 8040 KB Ok
71 Correct 62 ms 7656 KB Ok
72 Correct 63 ms 7912 KB Ok
73 Correct 80 ms 8808 KB Ok
74 Correct 66 ms 7912 KB Ok
75 Correct 80 ms 8424 KB Ok
76 Correct 74 ms 8296 KB Ok
77 Correct 68 ms 7912 KB Ok
78 Correct 62 ms 7656 KB Ok
79 Correct 69 ms 8168 KB Ok
80 Correct 118 ms 15208 KB Ok
81 Correct 118 ms 15208 KB Ok
82 Correct 117 ms 13672 KB Ok
83 Correct 117 ms 15208 KB Ok
84 Correct 117 ms 13928 KB Ok
85 Correct 115 ms 14492 KB Ok
86 Correct 118 ms 14952 KB Ok
87 Correct 120 ms 15208 KB Ok
88 Correct 115 ms 14184 KB Ok
89 Correct 121 ms 15080 KB Ok
90 Correct 120 ms 14696 KB Ok
91 Correct 118 ms 13800 KB Ok
92 Correct 120 ms 15208 KB Ok
93 Correct 117 ms 14568 KB Ok
94 Correct 120 ms 15208 KB Ok
95 Correct 165 ms 13924 KB Ok
96 Correct 237 ms 18500 KB Ok
97 Correct 230 ms 16732 KB Ok
98 Correct 180 ms 15452 KB Ok
99 Correct 206 ms 15580 KB Ok
100 Correct 215 ms 16348 KB Ok
101 Correct 215 ms 16604 KB Ok
102 Correct 208 ms 16476 KB Ok
103 Correct 207 ms 17044 KB Ok
104 Correct 240 ms 18000 KB Ok
105 Correct 229 ms 18140 KB Ok
106 Correct 194 ms 16732 KB Ok
107 Correct 223 ms 17244 KB Ok
108 Correct 244 ms 18524 KB Ok
109 Correct 217 ms 17884 KB Ok
110 Correct 467 ms 49244 KB Ok
111 Correct 481 ms 50140 KB Ok
112 Correct 463 ms 45916 KB Ok
113 Correct 460 ms 49244 KB Ok
114 Correct 476 ms 45164 KB Ok
115 Correct 474 ms 50260 KB Ok
116 Correct 477 ms 49756 KB Ok
117 Correct 461 ms 49884 KB Ok
118 Correct 469 ms 44124 KB Ok
119 Correct 480 ms 49116 KB Ok
120 Correct 470 ms 50012 KB Ok
121 Correct 455 ms 47580 KB Ok
122 Correct 478 ms 49976 KB Ok
123 Correct 472 ms 48092 KB Ok
124 Correct 469 ms 45404 KB Ok
125 Correct 390 ms 33252 KB Ok