oj.uz

Submission #173823

# Submission time Handle Problem Language Result Execution time Memory
173823 2020-01-05T13:27:49 Z davitmarg Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 100044 KB 
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <fstream>
#define mod 1000000007ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(), v.end()
using namespace std;

const int N = 10 * 200005;

int gcd(int a, int b)
{
    if (!a || !b)
        return a + b;
    return gcd(b, a % b);
}

LL lca(LL a, LL b)
{
    return a * b / gcd(a, b);
}

int q, n, m, k, a[N], used[N], tin[N];
vector<int> t, g[N];

void dfs(int v)
{
    used[v] = 1;
    for (int i = 0; i < g[v].size(); i++)
    {
        int to = g[v][i];
        if (used[to])
            continue;
        dfs(to);
    }
    //tin[v] = -t.size();
    t.PB(v);
}

bool check(int x)
{
    t.clear();
    for (int i = 0; i <= x; i++)
        g[i].clear();

    for (int i = 0; i <= x; i++)
    {
        if (i - m >= 0)
            g[i - m].PB(i);
        if (i + n <= x)
            g[i + n].PB(i);
    }
    for (int i = 0; i <= x; i++)
        if (!used[i])
            dfs(i);
    //cout << "!!!!!" << x << endl;
    int v, to;
    for (int i = t.size() - 1; i >= 0; i--)
    {
        v = t[i];
        a[v] = t.size() - i;
        for (int j = 0; j < g[v].size(); j++)
        {
            to = g[v][j];
            // if (tin[to] <= tin[v])
            //     return 0;
            //cout << v << " : " << to << endl;
            a[to] = max(a[to], a[v] + 1);
        }
    }
    return 1;
}

char uu[12];
void tp(int x)
{
    if (x == 0)
    {
        putchar('0');
        return;
    }
    if (x < 0)
    {
        putchar('-');
        x *= (-1);
    }
    int i = 0;
    while (x)
    {
        uu[i++] = (x % 10) + '0';
        x /= 10;
    }
    for (i = i - 1; i >= 0; --i)
        putchar(uu[i]);
}

int main()
{
    cin >> q;
    while (q--)
    {
        k = 0;
        cin >> n >> m;
        LL l, r, mid;
        l = 0;
        r = n + m - 1;
        // while (l <= r)
        // {
        //     mid = (l + r) / 2;
        //     if (check(mid))
        //     {
        //         k = mid;
        //         l = mid + 1;
        //     }
        //     else
        //         r = mid - 1;
        // }
        k = n + m - gcd(n, m) - 1;
        check(k);
        tp(k);
        putchar('\n');
        for (int i = 1; i <= k; i++)
        {
            //printf("%d ", a[i] - a[i - 1]);
            tp(a[i] - a[i - 1]);
            putchar(' ');
            used[i] = 0;
        }
        used[0] = 0;
        putchar('\n');
    }
    return 0;
}

/*
 
4
3 1
2 3
1 1
2 2
 
 
*/

Compilation message

sequence.cpp: In function 'void dfs(int)':
sequence.cpp:46:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < g[v].size(); i++)
                     ~~^~~~~~~~~~~~~
sequence.cpp: In function 'bool check(int)':
sequence.cpp:79:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < g[v].size(); j++)
                         ~~^~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:121:12: warning: variable 'l' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
            ^
sequence.cpp:121:15: warning: variable 'r' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
               ^
sequence.cpp:121:18: warning: unused variable 'mid' [-Wunused-variable]
         LL l, r, mid;
                  ^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47396 KB Ok
5 Correct 47 ms 47324 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 54 ms 47352 KB Ok
8 Correct 45 ms 47352 KB Ok
9 Correct 45 ms 47352 KB Ok
10 Correct 45 ms 47352 KB Ok
11 Correct 45 ms 47352 KB Ok
12 Correct 44 ms 47224 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47280 KB Ok
2 Correct 44 ms 47236 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47224 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 54 ms 47480 KB Ok
7 Correct 62 ms 48376 KB Ok
8 Correct 57 ms 47864 KB Ok
9 Correct 59 ms 48504 KB Ok
10 Correct 51 ms 47964 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 43 ms 47224 KB Ok
4 Correct 45 ms 47352 KB Ok
5 Correct 44 ms 47228 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 45 ms 47352 KB Ok
9 Correct 44 ms 47224 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 44 ms 47352 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47376 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 52 ms 47352 KB Ok
4 Correct 48 ms 47352 KB Ok
5 Correct 49 ms 47352 KB Ok
6 Correct 165 ms 62960 KB Ok
7 Correct 129 ms 62576 KB Ok
8 Correct 211 ms 65736 KB Ok
9 Correct 217 ms 62960 KB Ok
10 Correct 135 ms 58092 KB Ok
11 Correct 203 ms 66780 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47396 KB Ok
5 Correct 47 ms 47324 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 54 ms 47352 KB Ok
8 Correct 45 ms 47352 KB Ok
9 Correct 45 ms 47352 KB Ok
10 Correct 45 ms 47352 KB Ok
11 Correct 45 ms 47352 KB Ok
12 Correct 44 ms 47224 KB Ok
13 Correct 44 ms 47352 KB Ok
14 Correct 44 ms 47352 KB Ok
15 Correct 43 ms 47224 KB Ok
16 Correct 45 ms 47352 KB Ok
17 Correct 44 ms 47228 KB Ok
18 Correct 44 ms 47352 KB Ok
19 Correct 44 ms 47352 KB Ok
20 Correct 45 ms 47352 KB Ok
21 Correct 44 ms 47224 KB Ok
22 Correct 44 ms 47352 KB Ok
23 Correct 44 ms 47352 KB Ok
24 Correct 48 ms 47468 KB Ok
25 Correct 47 ms 47480 KB Ok
26 Correct 46 ms 47480 KB Ok
27 Correct 46 ms 47480 KB Ok
28 Correct 47 ms 47452 KB Ok
29 Correct 45 ms 47480 KB Ok
30 Correct 46 ms 47480 KB Ok
31 Correct 46 ms 47480 KB Ok
32 Correct 46 ms 47480 KB Ok
33 Correct 46 ms 47480 KB Ok
34 Correct 50 ms 47708 KB Ok
35 Correct 50 ms 47740 KB Ok
36 Correct 51 ms 47768 KB Ok
37 Correct 50 ms 47684 KB Ok
38 Correct 50 ms 47736 KB Ok
39 Correct 57 ms 47608 KB Ok
40 Correct 51 ms 47736 KB Ok
41 Correct 50 ms 47736 KB Ok
42 Correct 50 ms 47736 KB Ok
43 Correct 50 ms 47736 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47396 KB Ok
5 Correct 47 ms 47324 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 54 ms 47352 KB Ok
8 Correct 45 ms 47352 KB Ok
9 Correct 45 ms 47352 KB Ok
10 Correct 45 ms 47352 KB Ok
11 Correct 45 ms 47352 KB Ok
12 Correct 44 ms 47224 KB Ok
13 Correct 44 ms 47280 KB Ok
14 Correct 44 ms 47236 KB Ok
15 Correct 44 ms 47352 KB Ok
16 Correct 44 ms 47224 KB Ok
17 Correct 44 ms 47352 KB Ok
18 Correct 54 ms 47480 KB Ok
19 Correct 62 ms 48376 KB Ok
20 Correct 57 ms 47864 KB Ok
21 Correct 59 ms 48504 KB Ok
22 Correct 51 ms 47964 KB Ok
23 Correct 44 ms 47352 KB Ok
24 Correct 44 ms 47352 KB Ok
25 Correct 43 ms 47224 KB Ok
26 Correct 45 ms 47352 KB Ok
27 Correct 44 ms 47228 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 44 ms 47352 KB Ok
30 Correct 45 ms 47352 KB Ok
31 Correct 44 ms 47224 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 44 ms 47352 KB Ok
34 Correct 48 ms 47468 KB Ok
35 Correct 47 ms 47480 KB Ok
36 Correct 46 ms 47480 KB Ok
37 Correct 46 ms 47480 KB Ok
38 Correct 47 ms 47452 KB Ok
39 Correct 45 ms 47480 KB Ok
40 Correct 46 ms 47480 KB Ok
41 Correct 46 ms 47480 KB Ok
42 Correct 46 ms 47480 KB Ok
43 Correct 46 ms 47480 KB Ok
44 Correct 50 ms 47708 KB Ok
45 Correct 50 ms 47740 KB Ok
46 Correct 51 ms 47768 KB Ok
47 Correct 50 ms 47684 KB Ok
48 Correct 50 ms 47736 KB Ok
49 Correct 57 ms 47608 KB Ok
50 Correct 51 ms 47736 KB Ok
51 Correct 50 ms 47736 KB Ok
52 Correct 50 ms 47736 KB Ok
53 Correct 50 ms 47736 KB Ok
54 Correct 118 ms 53496 KB Ok
55 Correct 131 ms 53872 KB Ok
56 Correct 128 ms 53868 KB Ok
57 Correct 102 ms 52848 KB Ok
58 Correct 128 ms 53616 KB Ok
59 Correct 127 ms 53276 KB Ok
60 Correct 119 ms 52844 KB Ok
61 Correct 107 ms 53232 KB Ok
62 Correct 203 ms 54132 KB Ok
63 Correct 146 ms 53104 KB Ok
64 Correct 136 ms 53872 KB Ok
65 Correct 129 ms 53744 KB Ok
66 Correct 111 ms 53360 KB Ok
67 Correct 109 ms 52976 KB Ok
68 Correct 124 ms 53740 KB Ok
69 Correct 393 ms 60876 KB Ok
70 Correct 354 ms 60916 KB Ok
71 Correct 369 ms 59352 KB Ok
72 Correct 354 ms 60772 KB Ok
73 Correct 398 ms 59792 KB Ok
74 Correct 330 ms 60380 KB Ok
75 Correct 357 ms 60744 KB Ok
76 Correct 380 ms 60824 KB Ok
77 Correct 345 ms 60192 KB Ok
78 Correct 371 ms 60868 KB Ok
79 Correct 416 ms 60404 KB Ok
80 Correct 380 ms 59480 KB Ok
81 Correct 346 ms 60916 KB Ok
82 Correct 363 ms 60276 KB Ok
83 Correct 361 ms 60940 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47396 KB Ok
5 Correct 47 ms 47324 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 54 ms 47352 KB Ok
8 Correct 45 ms 47352 KB Ok
9 Correct 45 ms 47352 KB Ok
10 Correct 45 ms 47352 KB Ok
11 Correct 45 ms 47352 KB Ok
12 Correct 44 ms 47224 KB Ok
13 Correct 44 ms 47280 KB Ok
14 Correct 44 ms 47236 KB Ok
15 Correct 44 ms 47352 KB Ok
16 Correct 44 ms 47224 KB Ok
17 Correct 44 ms 47352 KB Ok
18 Correct 54 ms 47480 KB Ok
19 Correct 62 ms 48376 KB Ok
20 Correct 57 ms 47864 KB Ok
21 Correct 59 ms 48504 KB Ok
22 Correct 51 ms 47964 KB Ok
23 Correct 44 ms 47352 KB Ok
24 Correct 44 ms 47352 KB Ok
25 Correct 43 ms 47224 KB Ok
26 Correct 45 ms 47352 KB Ok
27 Correct 44 ms 47228 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 44 ms 47352 KB Ok
30 Correct 45 ms 47352 KB Ok
31 Correct 44 ms 47224 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 44 ms 47352 KB Ok
34 Correct 44 ms 47376 KB Ok
35 Correct 44 ms 47352 KB Ok
36 Correct 52 ms 47352 KB Ok
37 Correct 48 ms 47352 KB Ok
38 Correct 49 ms 47352 KB Ok
39 Correct 165 ms 62960 KB Ok
40 Correct 129 ms 62576 KB Ok
41 Correct 211 ms 65736 KB Ok
42 Correct 217 ms 62960 KB Ok
43 Correct 135 ms 58092 KB Ok
44 Correct 203 ms 66780 KB Ok
45 Correct 48 ms 47468 KB Ok
46 Correct 47 ms 47480 KB Ok
47 Correct 46 ms 47480 KB Ok
48 Correct 46 ms 47480 KB Ok
49 Correct 47 ms 47452 KB Ok
50 Correct 45 ms 47480 KB Ok
51 Correct 46 ms 47480 KB Ok
52 Correct 46 ms 47480 KB Ok
53 Correct 46 ms 47480 KB Ok
54 Correct 46 ms 47480 KB Ok
55 Correct 50 ms 47708 KB Ok
56 Correct 50 ms 47740 KB Ok
57 Correct 51 ms 47768 KB Ok
58 Correct 50 ms 47684 KB Ok
59 Correct 50 ms 47736 KB Ok
60 Correct 57 ms 47608 KB Ok
61 Correct 51 ms 47736 KB Ok
62 Correct 50 ms 47736 KB Ok
63 Correct 50 ms 47736 KB Ok
64 Correct 50 ms 47736 KB Ok
65 Correct 118 ms 53496 KB Ok
66 Correct 131 ms 53872 KB Ok
67 Correct 128 ms 53868 KB Ok
68 Correct 102 ms 52848 KB Ok
69 Correct 128 ms 53616 KB Ok
70 Correct 127 ms 53276 KB Ok
71 Correct 119 ms 52844 KB Ok
72 Correct 107 ms 53232 KB Ok
73 Correct 203 ms 54132 KB Ok
74 Correct 146 ms 53104 KB Ok
75 Correct 136 ms 53872 KB Ok
76 Correct 129 ms 53744 KB Ok
77 Correct 111 ms 53360 KB Ok
78 Correct 109 ms 52976 KB Ok
79 Correct 124 ms 53740 KB Ok
80 Correct 393 ms 60876 KB Ok
81 Correct 354 ms 60916 KB Ok
82 Correct 369 ms 59352 KB Ok
83 Correct 354 ms 60772 KB Ok
84 Correct 398 ms 59792 KB Ok
85 Correct 330 ms 60380 KB Ok
86 Correct 357 ms 60744 KB Ok
87 Correct 380 ms 60824 KB Ok
88 Correct 345 ms 60192 KB Ok
89 Correct 371 ms 60868 KB Ok
90 Correct 416 ms 60404 KB Ok
91 Correct 380 ms 59480 KB Ok
92 Correct 346 ms 60916 KB Ok
93 Correct 363 ms 60276 KB Ok
94 Correct 361 ms 60940 KB Ok
95 Correct 273 ms 63324 KB Ok
96 Correct 454 ms 71100 KB Ok
97 Correct 454 ms 67160 KB Ok
98 Correct 290 ms 66664 KB Ok
99 Correct 280 ms 66156 KB Ok
100 Correct 358 ms 66464 KB Ok
101 Correct 298 ms 68784 KB Ok
102 Correct 366 ms 67148 KB Ok
103 Correct 385 ms 68392 KB Ok
104 Correct 411 ms 69924 KB Ok
105 Correct 485 ms 70612 KB Ok
106 Correct 333 ms 69724 KB Ok
107 Correct 396 ms 69472 KB Ok
108 Correct 453 ms 70932 KB Ok
109 Correct 406 ms 71140 KB Ok
110 Execution timed out 2056 ms 100044 KB Time limit exceeded
111 Halted 0 ms 0 KB -