oj.uz

Submission #334948

# Submission time Handle Problem Language Result Execution time Memory
334948 2020-12-10T12:31:06 Z tengiz05 Nice sequence (IZhO18_sequence) C++17
61 / 100
 129 ms 12132 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 = 4e5+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 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Correct 1 ms 748 KB Ok
7 Correct 1 ms 748 KB Ok
8 Correct 1 ms 748 KB Ok
9 Correct 1 ms 764 KB Ok
10 Correct 1 ms 748 KB Ok
11 Correct 1 ms 748 KB Ok
12 Correct 1 ms 748 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Correct 3 ms 876 KB Ok
7 Correct 12 ms 1516 KB Ok
8 Correct 5 ms 1132 KB Ok
9 Correct 13 ms 1644 KB Ok
10 Correct 6 ms 1260 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 2 ms 748 KB Ok
6 Correct 1 ms 748 KB Ok
7 Correct 38 ms 748 KB Ok
8 Correct 1 ms 704 KB Ok
9 Correct 1 ms 748 KB Ok
10 Correct 1 ms 748 KB Ok
11 Correct 1 ms 748 KB Ok

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 764 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Runtime error 18 ms 12132 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Halted 0 ms 0 KB -

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Correct 1 ms 748 KB Ok
7 Correct 1 ms 748 KB Ok
8 Correct 1 ms 748 KB Ok
9 Correct 1 ms 764 KB Ok
10 Correct 1 ms 748 KB Ok
11 Correct 1 ms 748 KB Ok
12 Correct 1 ms 748 KB Ok
13 Correct 1 ms 748 KB Ok
14 Correct 1 ms 748 KB Ok
15 Correct 1 ms 748 KB Ok
16 Correct 1 ms 748 KB Ok
17 Correct 2 ms 748 KB Ok
18 Correct 1 ms 748 KB Ok
19 Correct 38 ms 748 KB Ok
20 Correct 1 ms 704 KB Ok
21 Correct 1 ms 748 KB Ok
22 Correct 1 ms 748 KB Ok
23 Correct 1 ms 748 KB Ok
24 Correct 3 ms 900 KB Ok
25 Correct 4 ms 876 KB Ok
26 Correct 3 ms 876 KB Ok
27 Correct 3 ms 876 KB Ok
28 Correct 2 ms 876 KB Ok
29 Correct 2 ms 876 KB Ok
30 Correct 2 ms 876 KB Ok
31 Correct 3 ms 876 KB Ok
32 Correct 3 ms 876 KB Ok
33 Correct 3 ms 876 KB Ok
34 Correct 106 ms 1176 KB Ok
35 Correct 4 ms 1132 KB Ok
36 Correct 4 ms 1132 KB Ok
37 Correct 4 ms 1132 KB Ok
38 Correct 6 ms 1132 KB Ok
39 Correct 5 ms 1004 KB Ok
40 Correct 6 ms 1132 KB Ok
41 Correct 6 ms 1004 KB Ok
42 Correct 5 ms 1132 KB Ok
43 Correct 5 ms 1132 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Correct 1 ms 748 KB Ok
7 Correct 1 ms 748 KB Ok
8 Correct 1 ms 748 KB Ok
9 Correct 1 ms 764 KB Ok
10 Correct 1 ms 748 KB Ok
11 Correct 1 ms 748 KB Ok
12 Correct 1 ms 748 KB Ok
13 Correct 1 ms 748 KB Ok
14 Correct 1 ms 748 KB Ok
15 Correct 1 ms 748 KB Ok
16 Correct 1 ms 748 KB Ok
17 Correct 1 ms 748 KB Ok
18 Correct 3 ms 876 KB Ok
19 Correct 12 ms 1516 KB Ok
20 Correct 5 ms 1132 KB Ok
21 Correct 13 ms 1644 KB Ok
22 Correct 6 ms 1260 KB Ok
23 Correct 1 ms 748 KB Ok
24 Correct 1 ms 748 KB Ok
25 Correct 1 ms 748 KB Ok
26 Correct 1 ms 748 KB Ok
27 Correct 2 ms 748 KB Ok
28 Correct 1 ms 748 KB Ok
29 Correct 38 ms 748 KB Ok
30 Correct 1 ms 704 KB Ok
31 Correct 1 ms 748 KB Ok
32 Correct 1 ms 748 KB Ok
33 Correct 1 ms 748 KB Ok
34 Correct 3 ms 900 KB Ok
35 Correct 4 ms 876 KB Ok
36 Correct 3 ms 876 KB Ok
37 Correct 3 ms 876 KB Ok
38 Correct 2 ms 876 KB Ok
39 Correct 2 ms 876 KB Ok
40 Correct 2 ms 876 KB Ok
41 Correct 3 ms 876 KB Ok
42 Correct 3 ms 876 KB Ok
43 Correct 3 ms 876 KB Ok
44 Correct 106 ms 1176 KB Ok
45 Correct 4 ms 1132 KB Ok
46 Correct 4 ms 1132 KB Ok
47 Correct 4 ms 1132 KB Ok
48 Correct 6 ms 1132 KB Ok
49 Correct 5 ms 1004 KB Ok
50 Correct 6 ms 1132 KB Ok
51 Correct 6 ms 1004 KB Ok
52 Correct 5 ms 1132 KB Ok
53 Correct 5 ms 1132 KB Ok
54 Correct 66 ms 4456 KB Ok
55 Correct 74 ms 4872 KB Ok
56 Correct 87 ms 4840 KB Ok
57 Correct 55 ms 3944 KB Ok
58 Correct 70 ms 4712 KB Ok
59 Correct 66 ms 4584 KB Ok
60 Correct 62 ms 4160 KB Ok
61 Correct 58 ms 4200 KB Ok
62 Correct 78 ms 5096 KB Ok
63 Correct 66 ms 4456 KB Ok
64 Correct 73 ms 4964 KB Ok
65 Correct 74 ms 4712 KB Ok
66 Correct 64 ms 4456 KB Ok
67 Correct 58 ms 4200 KB Ok
68 Correct 65 ms 4624 KB Ok
69 Correct 113 ms 11568 KB Ok
70 Correct 114 ms 11712 KB Ok
71 Correct 112 ms 10088 KB Ok
72 Correct 111 ms 11624 KB Ok
73 Correct 113 ms 10344 KB Ok
74 Correct 112 ms 10972 KB Ok
75 Correct 114 ms 11308 KB Ok
76 Correct 123 ms 11556 KB Ok
77 Correct 111 ms 10728 KB Ok
78 Correct 113 ms 11496 KB Ok
79 Correct 115 ms 11112 KB Ok
80 Correct 129 ms 10216 KB Ok
81 Correct 129 ms 11624 KB Ok
82 Correct 111 ms 10984 KB Ok
83 Correct 113 ms 11624 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 748 KB Ok
2 Correct 1 ms 748 KB Ok
3 Correct 1 ms 748 KB Ok
4 Correct 1 ms 748 KB Ok
5 Correct 1 ms 748 KB Ok
6 Correct 1 ms 748 KB Ok
7 Correct 1 ms 748 KB Ok
8 Correct 1 ms 748 KB Ok
9 Correct 1 ms 764 KB Ok
10 Correct 1 ms 748 KB Ok
11 Correct 1 ms 748 KB Ok
12 Correct 1 ms 748 KB Ok
13 Correct 1 ms 748 KB Ok
14 Correct 1 ms 748 KB Ok
15 Correct 1 ms 748 KB Ok
16 Correct 1 ms 748 KB Ok
17 Correct 1 ms 748 KB Ok
18 Correct 3 ms 876 KB Ok
19 Correct 12 ms 1516 KB Ok
20 Correct 5 ms 1132 KB Ok
21 Correct 13 ms 1644 KB Ok
22 Correct 6 ms 1260 KB Ok
23 Correct 1 ms 748 KB Ok
24 Correct 1 ms 748 KB Ok
25 Correct 1 ms 748 KB Ok
26 Correct 1 ms 748 KB Ok
27 Correct 2 ms 748 KB Ok
28 Correct 1 ms 748 KB Ok
29 Correct 38 ms 748 KB Ok
30 Correct 1 ms 704 KB Ok
31 Correct 1 ms 748 KB Ok
32 Correct 1 ms 748 KB Ok
33 Correct 1 ms 748 KB Ok
34 Correct 1 ms 748 KB Ok
35 Correct 1 ms 748 KB Ok
36 Correct 1 ms 764 KB Ok
37 Correct 1 ms 748 KB Ok
38 Correct 1 ms 748 KB Ok
39 Runtime error 18 ms 12132 KB Execution killed with signal 11 (could be triggered by violating memory limits)
40 Halted 0 ms 0 KB -