oj.uz

Submission #862618

# Submission time Handle Problem Language Result Execution time Memory
862618 2023-10-18T16:08:33 Z Hanksburger Nice sequence (IZhO18_sequence) C++17
100 / 100
 330 ms 44092 KB 
#include <bits/stdc++.h>
using namespace std;
long long a[200005];
int main()
{
//    ios::sync_with_stdio(0);
  //  cin.tie(0);
    //cout.tie(0);
    long long t;
    cin >> t;
    while (t--)
    {
        long long n, m, k=1;
        cin >> n >> m;
        if (n>m)
        {
            swap(n, m);
            k=-1;
        }
        if (m%n==0)
        {
            cout << m-1 << '\n';
            for (long long i=0; i<m-1; i++)
                cout << -k << ' ';
            cout << '\n';
            continue;
        }
        for (long long i=0; i<n; i++)
            a[i]=0;
        long long g=gcd(n, m), ind=m%n-1, x=0, y=0;
        while (ind!=(m%n-g-1+n)%n)
        {
            a[ind]=1;
            ind=(ind+m%n)%n;
            x++;
        }
        while (ind!=m%n-1)
        {
            a[ind]=-1;
            ind=(ind+m%n)%n;
            y++;
        }
        long long p, q;
        if (g==2)
        {
            for (long long i=min(1000000000LL, (1000000000*x+n-n/g)/y); i>=1; i--)
            {
                if (x==1 || (i*y-n+n/g)%x==1)
                {
                    q=i;
                    break;
                }
            }
            p=(q*y-n+n/g-1)/x;
        }
        else
        {
            for (long long i=min(1000000000LL, 1000000000*x/y); i>=1; i--)
            {
                if (x==1 || i*y%x==1)
                {
                    q=i;
                    break;
                }
            }
            p=(q*y-1)/x;
        }
        cout << n+m-g-1 << '\n';
        for (long long i=0; i<n+m-g-1; i++)
        {
            if (a[i%n]==1)
                cout << p*k << ' ';
            else if (a[i%n]==-1)
                cout << -q*k << ' ';
            else if (g==2 || i%g)
                cout << k << ' ';
            else
                cout << -(g-2)*k << ' ';
        }
        cout << '\n';
    }
}

Compilation message

sequence.cpp: In function 'int main()':
sequence.cpp:66:17: warning: 'q' may be used uninitialized in this function [-Wmaybe-uninitialized]
   66 |             p=(q*y-1)/x;
      |                ~^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 348 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 0 ms 344 KB Ok
7 Correct 1 ms 348 KB Ok
8 Correct 0 ms 348 KB Ok
9 Correct 0 ms 348 KB Ok
10 Correct 1 ms 344 KB Ok
11 Correct 0 ms 600 KB Ok
12 Correct 0 ms 348 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 348 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 1 ms 348 KB Ok
7 Correct 6 ms 860 KB Ok
8 Correct 3 ms 604 KB Ok
9 Correct 6 ms 1116 KB Ok
10 Correct 4 ms 604 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 600 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 0 ms 348 KB Ok
7 Correct 0 ms 348 KB Ok
8 Correct 0 ms 348 KB Ok
9 Correct 0 ms 348 KB Ok
10 Correct 0 ms 348 KB Ok
11 Correct 0 ms 348 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Ok
2 Correct 0 ms 344 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 344 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 54 ms 6356 KB Ok
7 Correct 50 ms 5972 KB Ok
8 Correct 84 ms 9808 KB Ok
9 Correct 65 ms 9044 KB Ok
10 Correct 49 ms 4212 KB Ok
11 Correct 73 ms 8244 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 348 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 0 ms 344 KB Ok
7 Correct 1 ms 348 KB Ok
8 Correct 0 ms 348 KB Ok
9 Correct 0 ms 348 KB Ok
10 Correct 1 ms 344 KB Ok
11 Correct 0 ms 600 KB Ok
12 Correct 0 ms 348 KB Ok
13 Correct 0 ms 348 KB Ok
14 Correct 0 ms 348 KB Ok
15 Correct 0 ms 348 KB Ok
16 Correct 0 ms 600 KB Ok
17 Correct 0 ms 348 KB Ok
18 Correct 0 ms 348 KB Ok
19 Correct 0 ms 348 KB Ok
20 Correct 0 ms 348 KB Ok
21 Correct 0 ms 348 KB Ok
22 Correct 0 ms 348 KB Ok
23 Correct 0 ms 348 KB Ok
24 Correct 1 ms 348 KB Ok
25 Correct 1 ms 348 KB Ok
26 Correct 1 ms 348 KB Ok
27 Correct 1 ms 348 KB Ok
28 Correct 1 ms 480 KB Ok
29 Correct 1 ms 348 KB Ok
30 Correct 1 ms 348 KB Ok
31 Correct 1 ms 348 KB Ok
32 Correct 1 ms 452 KB Ok
33 Correct 1 ms 348 KB Ok
34 Correct 2 ms 604 KB Ok
35 Correct 3 ms 604 KB Ok
36 Correct 2 ms 664 KB Ok
37 Correct 3 ms 600 KB Ok
38 Correct 3 ms 600 KB Ok
39 Correct 5 ms 604 KB Ok
40 Correct 3 ms 604 KB Ok
41 Correct 3 ms 604 KB Ok
42 Correct 2 ms 604 KB Ok
43 Correct 3 ms 604 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 348 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 0 ms 344 KB Ok
7 Correct 1 ms 348 KB Ok
8 Correct 0 ms 348 KB Ok
9 Correct 0 ms 348 KB Ok
10 Correct 1 ms 344 KB Ok
11 Correct 0 ms 600 KB Ok
12 Correct 0 ms 348 KB Ok
13 Correct 0 ms 348 KB Ok
14 Correct 0 ms 348 KB Ok
15 Correct 0 ms 348 KB Ok
16 Correct 0 ms 348 KB Ok
17 Correct 0 ms 348 KB Ok
18 Correct 1 ms 348 KB Ok
19 Correct 6 ms 860 KB Ok
20 Correct 3 ms 604 KB Ok
21 Correct 6 ms 1116 KB Ok
22 Correct 4 ms 604 KB Ok
23 Correct 0 ms 348 KB Ok
24 Correct 0 ms 348 KB Ok
25 Correct 0 ms 348 KB Ok
26 Correct 0 ms 600 KB Ok
27 Correct 0 ms 348 KB Ok
28 Correct 0 ms 348 KB Ok
29 Correct 0 ms 348 KB Ok
30 Correct 0 ms 348 KB Ok
31 Correct 0 ms 348 KB Ok
32 Correct 0 ms 348 KB Ok
33 Correct 0 ms 348 KB Ok
34 Correct 1 ms 348 KB Ok
35 Correct 1 ms 348 KB Ok
36 Correct 1 ms 348 KB Ok
37 Correct 1 ms 348 KB Ok
38 Correct 1 ms 480 KB Ok
39 Correct 1 ms 348 KB Ok
40 Correct 1 ms 348 KB Ok
41 Correct 1 ms 348 KB Ok
42 Correct 1 ms 452 KB Ok
43 Correct 1 ms 348 KB Ok
44 Correct 2 ms 604 KB Ok
45 Correct 3 ms 604 KB Ok
46 Correct 2 ms 664 KB Ok
47 Correct 3 ms 600 KB Ok
48 Correct 3 ms 600 KB Ok
49 Correct 5 ms 604 KB Ok
50 Correct 3 ms 604 KB Ok
51 Correct 3 ms 604 KB Ok
52 Correct 2 ms 604 KB Ok
53 Correct 3 ms 604 KB Ok
54 Correct 44 ms 2408 KB Ok
55 Correct 43 ms 2640 KB Ok
56 Correct 44 ms 2980 KB Ok
57 Correct 32 ms 2124 KB Ok
58 Correct 39 ms 2388 KB Ok
59 Correct 38 ms 2128 KB Ok
60 Correct 33 ms 2128 KB Ok
61 Correct 33 ms 2136 KB Ok
62 Correct 43 ms 2384 KB Ok
63 Correct 42 ms 2132 KB Ok
64 Correct 41 ms 2420 KB Ok
65 Correct 40 ms 2644 KB Ok
66 Correct 48 ms 2520 KB Ok
67 Correct 33 ms 2148 KB Ok
68 Correct 37 ms 2104 KB Ok
69 Correct 70 ms 9172 KB Ok
70 Correct 74 ms 11344 KB Ok
71 Correct 67 ms 7708 KB Ok
72 Correct 103 ms 10008 KB Ok
73 Correct 67 ms 8532 KB Ok
74 Correct 71 ms 6824 KB Ok
75 Correct 65 ms 7428 KB Ok
76 Correct 72 ms 10952 KB Ok
77 Correct 64 ms 6104 KB Ok
78 Correct 91 ms 10712 KB Ok
79 Correct 116 ms 9300 KB Ok
80 Correct 69 ms 8784 KB Ok
81 Correct 70 ms 9812 KB Ok
82 Correct 68 ms 8868 KB Ok
83 Correct 65 ms 6992 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Ok
2 Correct 0 ms 348 KB Ok
3 Correct 0 ms 348 KB Ok
4 Correct 0 ms 348 KB Ok
5 Correct 0 ms 348 KB Ok
6 Correct 0 ms 344 KB Ok
7 Correct 1 ms 348 KB Ok
8 Correct 0 ms 348 KB Ok
9 Correct 0 ms 348 KB Ok
10 Correct 1 ms 344 KB Ok
11 Correct 0 ms 600 KB Ok
12 Correct 0 ms 348 KB Ok
13 Correct 0 ms 348 KB Ok
14 Correct 0 ms 348 KB Ok
15 Correct 0 ms 348 KB Ok
16 Correct 0 ms 348 KB Ok
17 Correct 0 ms 348 KB Ok
18 Correct 1 ms 348 KB Ok
19 Correct 6 ms 860 KB Ok
20 Correct 3 ms 604 KB Ok
21 Correct 6 ms 1116 KB Ok
22 Correct 4 ms 604 KB Ok
23 Correct 0 ms 348 KB Ok
24 Correct 0 ms 348 KB Ok
25 Correct 0 ms 348 KB Ok
26 Correct 0 ms 600 KB Ok
27 Correct 0 ms 348 KB Ok
28 Correct 0 ms 348 KB Ok
29 Correct 0 ms 348 KB Ok
30 Correct 0 ms 348 KB Ok
31 Correct 0 ms 348 KB Ok
32 Correct 0 ms 348 KB Ok
33 Correct 0 ms 348 KB Ok
34 Correct 1 ms 348 KB Ok
35 Correct 0 ms 344 KB Ok
36 Correct 0 ms 348 KB Ok
37 Correct 0 ms 344 KB Ok
38 Correct 0 ms 348 KB Ok
39 Correct 54 ms 6356 KB Ok
40 Correct 50 ms 5972 KB Ok
41 Correct 84 ms 9808 KB Ok
42 Correct 65 ms 9044 KB Ok
43 Correct 49 ms 4212 KB Ok
44 Correct 73 ms 8244 KB Ok
45 Correct 1 ms 348 KB Ok
46 Correct 1 ms 348 KB Ok
47 Correct 1 ms 348 KB Ok
48 Correct 1 ms 348 KB Ok
49 Correct 1 ms 480 KB Ok
50 Correct 1 ms 348 KB Ok
51 Correct 1 ms 348 KB Ok
52 Correct 1 ms 348 KB Ok
53 Correct 1 ms 452 KB Ok
54 Correct 1 ms 348 KB Ok
55 Correct 2 ms 604 KB Ok
56 Correct 3 ms 604 KB Ok
57 Correct 2 ms 664 KB Ok
58 Correct 3 ms 600 KB Ok
59 Correct 3 ms 600 KB Ok
60 Correct 5 ms 604 KB Ok
61 Correct 3 ms 604 KB Ok
62 Correct 3 ms 604 KB Ok
63 Correct 2 ms 604 KB Ok
64 Correct 3 ms 604 KB Ok
65 Correct 44 ms 2408 KB Ok
66 Correct 43 ms 2640 KB Ok
67 Correct 44 ms 2980 KB Ok
68 Correct 32 ms 2124 KB Ok
69 Correct 39 ms 2388 KB Ok
70 Correct 38 ms 2128 KB Ok
71 Correct 33 ms 2128 KB Ok
72 Correct 33 ms 2136 KB Ok
73 Correct 43 ms 2384 KB Ok
74 Correct 42 ms 2132 KB Ok
75 Correct 41 ms 2420 KB Ok
76 Correct 40 ms 2644 KB Ok
77 Correct 48 ms 2520 KB Ok
78 Correct 33 ms 2148 KB Ok
79 Correct 37 ms 2104 KB Ok
80 Correct 70 ms 9172 KB Ok
81 Correct 74 ms 11344 KB Ok
82 Correct 67 ms 7708 KB Ok
83 Correct 103 ms 10008 KB Ok
84 Correct 67 ms 8532 KB Ok
85 Correct 71 ms 6824 KB Ok
86 Correct 65 ms 7428 KB Ok
87 Correct 72 ms 10952 KB Ok
88 Correct 64 ms 6104 KB Ok
89 Correct 91 ms 10712 KB Ok
90 Correct 116 ms 9300 KB Ok
91 Correct 69 ms 8784 KB Ok
92 Correct 70 ms 9812 KB Ok
93 Correct 68 ms 8868 KB Ok
94 Correct 65 ms 6992 KB Ok
95 Correct 94 ms 5624 KB Ok
96 Correct 138 ms 8528 KB Ok
97 Correct 138 ms 7572 KB Ok
98 Correct 103 ms 5972 KB Ok
99 Correct 128 ms 7492 KB Ok
100 Correct 120 ms 6660 KB Ok
101 Correct 123 ms 7248 KB Ok
102 Correct 120 ms 6744 KB Ok
103 Correct 121 ms 6896 KB Ok
104 Correct 137 ms 7508 KB Ok
105 Correct 129 ms 7508 KB Ok
106 Correct 117 ms 7368 KB Ok
107 Correct 124 ms 6992 KB Ok
108 Correct 144 ms 7764 KB Ok
109 Correct 126 ms 8276 KB Ok
110 Correct 256 ms 27872 KB Ok
111 Correct 280 ms 42656 KB Ok
112 Correct 258 ms 29900 KB Ok
113 Correct 276 ms 37096 KB Ok
114 Correct 293 ms 38016 KB Ok
115 Correct 297 ms 38860 KB Ok
116 Correct 270 ms 37352 KB Ok
117 Correct 295 ms 39012 KB Ok
118 Correct 276 ms 30448 KB Ok
119 Correct 330 ms 40964 KB Ok
120 Correct 275 ms 32544 KB Ok
121 Correct 286 ms 30884 KB Ok
122 Correct 308 ms 35276 KB Ok
123 Correct 318 ms 44092 KB Ok
124 Correct 265 ms 25552 KB Ok
125 Correct 251 ms 23900 KB Ok