oj.uz

Submission #507939

# Submission time Handle Problem Language Result Execution time Memory
507939 2022-01-13T04:43:26 Z Mazaalai Nice sequence (IZhO18_sequence) C++17
100 / 100
 409 ms 51288 KB 
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
const int N = 2e5 + 5;
int n, m, mul, k, lim;
int arr[2*N], curVal;
bool vis[2*N], possible;
void solve(int pos) {
	if (arr[pos] != 0) return;
	if (vis[pos]) {
		possible = 0;
		return;
	}
	vis[pos] = 1;
	if (possible && pos+m <= lim) solve(pos+m);
	if (possible && pos-n >= 0) solve(pos-n);
	arr[pos] = curVal++;
}
int gcd(int a, int b) {
	if (a == 0) return b;
	return gcd(b % a, a);
}
void go() {
	cin >> n >> m;
	vector <int> ans(1, 1);
	k = max(n, m);
	int l = k-1, r = n+m-1;
	l = r = n + m - 1 - gcd(n, m);
	while(l <= r) {
		int mid = (l+r)>>1;
		curVal = possible = 1;
		for (int i = 0; i < 2*k+5; i++) 
			arr[i] = vis[i] = 0;
		lim = mid;
		for (int i = 0; i <= mid && possible; i++) {
			if (vis[i]) continue;
			solve(i);
		}
		if (!possible) {
			r = mid-1;
		} else {
			l = mid+1;
			vector <int> cur;
			for (int i = 1; i <= mid; i++) cur.pb(arr[i] - arr[i-1]);
			ans = cur;
		}
	}
	cout << ans.size() << '\n';
	for (auto el : ans) cout << -el << ' '; cout << '\n';

}
signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	int T;
	cin >> T;
	while(T--) go();
}

Compilation message

sequence.cpp: In function 'void go()':
sequence.cpp:49:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   49 |  for (auto el : ans) cout << -el << ' '; cout << '\n';
      |  ^~~
sequence.cpp:49:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   49 |  for (auto el : ans) cout << -el << ' '; cout << '\n';
      |                                          ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 332 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 1 ms 332 KB Ok
6 Correct 0 ms 320 KB Ok
7 Correct 1 ms 332 KB Ok
8 Correct 1 ms 332 KB Ok
9 Correct 1 ms 332 KB Ok
10 Correct 0 ms 332 KB Ok
11 Correct 0 ms 332 KB Ok
12 Correct 0 ms 332 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Ok
2 Correct 0 ms 324 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 1 ms 204 KB Ok
6 Correct 2 ms 460 KB Ok
7 Correct 7 ms 1100 KB Ok
8 Correct 4 ms 672 KB Ok
9 Correct 9 ms 1220 KB Ok
10 Correct 5 ms 756 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 0 ms 320 KB Ok
3 Correct 1 ms 324 KB Ok
4 Correct 1 ms 332 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 0 ms 332 KB Ok
7 Correct 0 ms 204 KB Ok
8 Correct 0 ms 204 KB Ok
9 Correct 1 ms 204 KB Ok
10 Correct 1 ms 204 KB Ok
11 Correct 0 ms 324 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 0 ms 332 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 70 ms 12612 KB Ok
7 Correct 55 ms 11180 KB Ok
8 Correct 119 ms 15032 KB Ok
9 Correct 90 ms 12416 KB Ok
10 Correct 56 ms 8712 KB Ok
11 Correct 98 ms 17036 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 332 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 1 ms 332 KB Ok
6 Correct 0 ms 320 KB Ok
7 Correct 1 ms 332 KB Ok
8 Correct 1 ms 332 KB Ok
9 Correct 1 ms 332 KB Ok
10 Correct 0 ms 332 KB Ok
11 Correct 0 ms 332 KB Ok
12 Correct 0 ms 332 KB Ok
13 Correct 0 ms 204 KB Ok
14 Correct 0 ms 320 KB Ok
15 Correct 1 ms 324 KB Ok
16 Correct 1 ms 332 KB Ok
17 Correct 0 ms 204 KB Ok
18 Correct 0 ms 332 KB Ok
19 Correct 0 ms 204 KB Ok
20 Correct 0 ms 204 KB Ok
21 Correct 1 ms 204 KB Ok
22 Correct 1 ms 204 KB Ok
23 Correct 0 ms 324 KB Ok
24 Correct 2 ms 332 KB Ok
25 Correct 2 ms 332 KB Ok
26 Correct 2 ms 332 KB Ok
27 Correct 2 ms 324 KB Ok
28 Correct 1 ms 332 KB Ok
29 Correct 1 ms 332 KB Ok
30 Correct 2 ms 332 KB Ok
31 Correct 2 ms 316 KB Ok
32 Correct 2 ms 332 KB Ok
33 Correct 2 ms 332 KB Ok
34 Correct 3 ms 588 KB Ok
35 Correct 3 ms 588 KB Ok
36 Correct 3 ms 716 KB Ok
37 Correct 3 ms 580 KB Ok
38 Correct 3 ms 628 KB Ok
39 Correct 3 ms 588 KB Ok
40 Correct 3 ms 588 KB Ok
41 Correct 3 ms 588 KB Ok
42 Correct 3 ms 716 KB Ok
43 Correct 3 ms 716 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 332 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 1 ms 332 KB Ok
6 Correct 0 ms 320 KB Ok
7 Correct 1 ms 332 KB Ok
8 Correct 1 ms 332 KB Ok
9 Correct 1 ms 332 KB Ok
10 Correct 0 ms 332 KB Ok
11 Correct 0 ms 332 KB Ok
12 Correct 0 ms 332 KB Ok
13 Correct 1 ms 204 KB Ok
14 Correct 0 ms 324 KB Ok
15 Correct 0 ms 204 KB Ok
16 Correct 1 ms 204 KB Ok
17 Correct 1 ms 204 KB Ok
18 Correct 2 ms 460 KB Ok
19 Correct 7 ms 1100 KB Ok
20 Correct 4 ms 672 KB Ok
21 Correct 9 ms 1220 KB Ok
22 Correct 5 ms 756 KB Ok
23 Correct 0 ms 204 KB Ok
24 Correct 0 ms 320 KB Ok
25 Correct 1 ms 324 KB Ok
26 Correct 1 ms 332 KB Ok
27 Correct 0 ms 204 KB Ok
28 Correct 0 ms 332 KB Ok
29 Correct 0 ms 204 KB Ok
30 Correct 0 ms 204 KB Ok
31 Correct 1 ms 204 KB Ok
32 Correct 1 ms 204 KB Ok
33 Correct 0 ms 324 KB Ok
34 Correct 2 ms 332 KB Ok
35 Correct 2 ms 332 KB Ok
36 Correct 2 ms 332 KB Ok
37 Correct 2 ms 324 KB Ok
38 Correct 1 ms 332 KB Ok
39 Correct 1 ms 332 KB Ok
40 Correct 2 ms 332 KB Ok
41 Correct 2 ms 316 KB Ok
42 Correct 2 ms 332 KB Ok
43 Correct 2 ms 332 KB Ok
44 Correct 3 ms 588 KB Ok
45 Correct 3 ms 588 KB Ok
46 Correct 3 ms 716 KB Ok
47 Correct 3 ms 580 KB Ok
48 Correct 3 ms 628 KB Ok
49 Correct 3 ms 588 KB Ok
50 Correct 3 ms 588 KB Ok
51 Correct 3 ms 588 KB Ok
52 Correct 3 ms 716 KB Ok
53 Correct 3 ms 716 KB Ok
54 Correct 51 ms 3800 KB Ok
55 Correct 59 ms 4248 KB Ok
56 Correct 59 ms 3936 KB Ok
57 Correct 46 ms 3172 KB Ok
58 Correct 62 ms 3896 KB Ok
59 Correct 70 ms 3808 KB Ok
60 Correct 44 ms 3576 KB Ok
61 Correct 47 ms 3444 KB Ok
62 Correct 63 ms 4352 KB Ok
63 Correct 49 ms 3552 KB Ok
64 Correct 56 ms 4120 KB Ok
65 Correct 58 ms 4064 KB Ok
66 Correct 51 ms 3704 KB Ok
67 Correct 43 ms 3408 KB Ok
68 Correct 55 ms 3740 KB Ok
69 Correct 90 ms 12288 KB Ok
70 Correct 113 ms 12256 KB Ok
71 Correct 87 ms 10108 KB Ok
72 Correct 94 ms 12276 KB Ok
73 Correct 90 ms 10476 KB Ok
74 Correct 89 ms 11360 KB Ok
75 Correct 92 ms 11980 KB Ok
76 Correct 91 ms 12176 KB Ok
77 Correct 88 ms 11016 KB Ok
78 Correct 90 ms 12288 KB Ok
79 Correct 98 ms 11624 KB Ok
80 Correct 87 ms 10264 KB Ok
81 Correct 92 ms 12272 KB Ok
82 Correct 87 ms 11348 KB Ok
83 Correct 95 ms 12284 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 332 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 1 ms 332 KB Ok
6 Correct 0 ms 320 KB Ok
7 Correct 1 ms 332 KB Ok
8 Correct 1 ms 332 KB Ok
9 Correct 1 ms 332 KB Ok
10 Correct 0 ms 332 KB Ok
11 Correct 0 ms 332 KB Ok
12 Correct 0 ms 332 KB Ok
13 Correct 1 ms 204 KB Ok
14 Correct 0 ms 324 KB Ok
15 Correct 0 ms 204 KB Ok
16 Correct 1 ms 204 KB Ok
17 Correct 1 ms 204 KB Ok
18 Correct 2 ms 460 KB Ok
19 Correct 7 ms 1100 KB Ok
20 Correct 4 ms 672 KB Ok
21 Correct 9 ms 1220 KB Ok
22 Correct 5 ms 756 KB Ok
23 Correct 0 ms 204 KB Ok
24 Correct 0 ms 320 KB Ok
25 Correct 1 ms 324 KB Ok
26 Correct 1 ms 332 KB Ok
27 Correct 0 ms 204 KB Ok
28 Correct 0 ms 332 KB Ok
29 Correct 0 ms 204 KB Ok
30 Correct 0 ms 204 KB Ok
31 Correct 1 ms 204 KB Ok
32 Correct 1 ms 204 KB Ok
33 Correct 0 ms 324 KB Ok
34 Correct 0 ms 204 KB Ok
35 Correct 0 ms 332 KB Ok
36 Correct 0 ms 204 KB Ok
37 Correct 1 ms 204 KB Ok
38 Correct 0 ms 204 KB Ok
39 Correct 70 ms 12612 KB Ok
40 Correct 55 ms 11180 KB Ok
41 Correct 119 ms 15032 KB Ok
42 Correct 90 ms 12416 KB Ok
43 Correct 56 ms 8712 KB Ok
44 Correct 98 ms 17036 KB Ok
45 Correct 2 ms 332 KB Ok
46 Correct 2 ms 332 KB Ok
47 Correct 2 ms 332 KB Ok
48 Correct 2 ms 324 KB Ok
49 Correct 1 ms 332 KB Ok
50 Correct 1 ms 332 KB Ok
51 Correct 2 ms 332 KB Ok
52 Correct 2 ms 316 KB Ok
53 Correct 2 ms 332 KB Ok
54 Correct 2 ms 332 KB Ok
55 Correct 3 ms 588 KB Ok
56 Correct 3 ms 588 KB Ok
57 Correct 3 ms 716 KB Ok
58 Correct 3 ms 580 KB Ok
59 Correct 3 ms 628 KB Ok
60 Correct 3 ms 588 KB Ok
61 Correct 3 ms 588 KB Ok
62 Correct 3 ms 588 KB Ok
63 Correct 3 ms 716 KB Ok
64 Correct 3 ms 716 KB Ok
65 Correct 51 ms 3800 KB Ok
66 Correct 59 ms 4248 KB Ok
67 Correct 59 ms 3936 KB Ok
68 Correct 46 ms 3172 KB Ok
69 Correct 62 ms 3896 KB Ok
70 Correct 70 ms 3808 KB Ok
71 Correct 44 ms 3576 KB Ok
72 Correct 47 ms 3444 KB Ok
73 Correct 63 ms 4352 KB Ok
74 Correct 49 ms 3552 KB Ok
75 Correct 56 ms 4120 KB Ok
76 Correct 58 ms 4064 KB Ok
77 Correct 51 ms 3704 KB Ok
78 Correct 43 ms 3408 KB Ok
79 Correct 55 ms 3740 KB Ok
80 Correct 90 ms 12288 KB Ok
81 Correct 113 ms 12256 KB Ok
82 Correct 87 ms 10108 KB Ok
83 Correct 94 ms 12276 KB Ok
84 Correct 90 ms 10476 KB Ok
85 Correct 89 ms 11360 KB Ok
86 Correct 92 ms 11980 KB Ok
87 Correct 91 ms 12176 KB Ok
88 Correct 88 ms 11016 KB Ok
89 Correct 90 ms 12288 KB Ok
90 Correct 98 ms 11624 KB Ok
91 Correct 87 ms 10264 KB Ok
92 Correct 92 ms 12272 KB Ok
93 Correct 87 ms 11348 KB Ok
94 Correct 95 ms 12284 KB Ok
95 Correct 132 ms 9752 KB Ok
96 Correct 188 ms 13596 KB Ok
97 Correct 182 ms 11972 KB Ok
98 Correct 134 ms 9992 KB Ok
99 Correct 159 ms 10852 KB Ok
100 Correct 171 ms 12024 KB Ok
101 Correct 165 ms 12276 KB Ok
102 Correct 159 ms 12744 KB Ok
103 Correct 156 ms 11784 KB Ok
104 Correct 193 ms 12644 KB Ok
105 Correct 196 ms 13812 KB Ok
106 Correct 157 ms 10908 KB Ok
107 Correct 173 ms 12380 KB Ok
108 Correct 186 ms 14096 KB Ok
109 Correct 169 ms 11864 KB Ok
110 Correct 381 ms 50520 KB Ok
111 Correct 383 ms 51288 KB Ok
112 Correct 369 ms 44808 KB Ok
113 Correct 363 ms 50184 KB Ok
114 Correct 372 ms 43412 KB Ok
115 Correct 394 ms 51068 KB Ok
116 Correct 400 ms 50280 KB Ok
117 Correct 362 ms 51128 KB Ok
118 Correct 409 ms 42108 KB Ok
119 Correct 407 ms 50304 KB Ok
120 Correct 393 ms 51204 KB Ok
121 Correct 380 ms 47900 KB Ok
122 Correct 366 ms 50900 KB Ok
123 Correct 373 ms 47940 KB Ok
124 Correct 366 ms 43908 KB Ok
125 Correct 333 ms 34748 KB Ok