oj.uz

Submission #173825

# Submission time Handle Problem Language Result Execution time Memory
173825 2020-01-05T13:28:16 Z davitmarg Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 100128 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;
        scanf("%d%d", &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;
                  ^~~
sequence.cpp:120:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &n, &m);
         ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47392 KB Ok
4 Correct 44 ms 47352 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 50 ms 47364 KB Ok
8 Correct 45 ms 47272 KB Ok
9 Correct 45 ms 47332 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 45 ms 47320 KB Ok
12 Correct 44 ms 47228 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47224 KB Ok
3 Correct 45 ms 47360 KB Ok
4 Correct 45 ms 47356 KB Ok
5 Correct 44 ms 47360 KB Ok
6 Correct 47 ms 47452 KB Ok
7 Correct 56 ms 48248 KB Ok
8 Correct 50 ms 47680 KB Ok
9 Correct 61 ms 48556 KB Ok
10 Correct 52 ms 47896 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47440 KB Ok
2 Correct 45 ms 47352 KB Ok
3 Correct 51 ms 47352 KB Ok
4 Correct 45 ms 47264 KB Ok
5 Correct 45 ms 47244 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 45 ms 47332 KB Ok
8 Correct 44 ms 47224 KB Ok
9 Correct 46 ms 47228 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 55 ms 47224 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47324 KB Ok
2 Correct 44 ms 47224 KB Ok
3 Correct 44 ms 47352 KB Ok
4 Correct 44 ms 47300 KB Ok
5 Correct 45 ms 47464 KB Ok
6 Correct 175 ms 62952 KB Ok
7 Correct 131 ms 62448 KB Ok
8 Correct 212 ms 65704 KB Ok
9 Correct 220 ms 62972 KB Ok
10 Correct 135 ms 58128 KB Ok
11 Correct 203 ms 66924 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47392 KB Ok
4 Correct 44 ms 47352 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 50 ms 47364 KB Ok
8 Correct 45 ms 47272 KB Ok
9 Correct 45 ms 47332 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 45 ms 47320 KB Ok
12 Correct 44 ms 47228 KB Ok
13 Correct 45 ms 47440 KB Ok
14 Correct 45 ms 47352 KB Ok
15 Correct 51 ms 47352 KB Ok
16 Correct 45 ms 47264 KB Ok
17 Correct 45 ms 47244 KB Ok
18 Correct 44 ms 47352 KB Ok
19 Correct 45 ms 47332 KB Ok
20 Correct 44 ms 47224 KB Ok
21 Correct 46 ms 47228 KB Ok
22 Correct 44 ms 47352 KB Ok
23 Correct 55 ms 47224 KB Ok
24 Correct 46 ms 47476 KB Ok
25 Correct 46 ms 47552 KB Ok
26 Correct 48 ms 47484 KB Ok
27 Correct 46 ms 47480 KB Ok
28 Correct 46 ms 47608 KB Ok
29 Correct 47 ms 47444 KB Ok
30 Correct 47 ms 47480 KB Ok
31 Correct 47 ms 47516 KB Ok
32 Correct 47 ms 47504 KB Ok
33 Correct 46 ms 47480 KB Ok
34 Correct 50 ms 47736 KB Ok
35 Correct 50 ms 47764 KB Ok
36 Correct 50 ms 47736 KB Ok
37 Correct 50 ms 47736 KB Ok
38 Correct 50 ms 47736 KB Ok
39 Correct 49 ms 47608 KB Ok
40 Correct 50 ms 47772 KB Ok
41 Correct 50 ms 47656 KB Ok
42 Correct 51 ms 47736 KB Ok
43 Correct 49 ms 47740 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47392 KB Ok
4 Correct 44 ms 47352 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 50 ms 47364 KB Ok
8 Correct 45 ms 47272 KB Ok
9 Correct 45 ms 47332 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 45 ms 47320 KB Ok
12 Correct 44 ms 47228 KB Ok
13 Correct 45 ms 47352 KB Ok
14 Correct 44 ms 47224 KB Ok
15 Correct 45 ms 47360 KB Ok
16 Correct 45 ms 47356 KB Ok
17 Correct 44 ms 47360 KB Ok
18 Correct 47 ms 47452 KB Ok
19 Correct 56 ms 48248 KB Ok
20 Correct 50 ms 47680 KB Ok
21 Correct 61 ms 48556 KB Ok
22 Correct 52 ms 47896 KB Ok
23 Correct 45 ms 47440 KB Ok
24 Correct 45 ms 47352 KB Ok
25 Correct 51 ms 47352 KB Ok
26 Correct 45 ms 47264 KB Ok
27 Correct 45 ms 47244 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 45 ms 47332 KB Ok
30 Correct 44 ms 47224 KB Ok
31 Correct 46 ms 47228 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 55 ms 47224 KB Ok
34 Correct 46 ms 47476 KB Ok
35 Correct 46 ms 47552 KB Ok
36 Correct 48 ms 47484 KB Ok
37 Correct 46 ms 47480 KB Ok
38 Correct 46 ms 47608 KB Ok
39 Correct 47 ms 47444 KB Ok
40 Correct 47 ms 47480 KB Ok
41 Correct 47 ms 47516 KB Ok
42 Correct 47 ms 47504 KB Ok
43 Correct 46 ms 47480 KB Ok
44 Correct 50 ms 47736 KB Ok
45 Correct 50 ms 47764 KB Ok
46 Correct 50 ms 47736 KB Ok
47 Correct 50 ms 47736 KB Ok
48 Correct 50 ms 47736 KB Ok
49 Correct 49 ms 47608 KB Ok
50 Correct 50 ms 47772 KB Ok
51 Correct 50 ms 47656 KB Ok
52 Correct 51 ms 47736 KB Ok
53 Correct 49 ms 47740 KB Ok
54 Correct 119 ms 53384 KB Ok
55 Correct 129 ms 53872 KB Ok
56 Correct 132 ms 53824 KB Ok
57 Correct 103 ms 52748 KB Ok
58 Correct 128 ms 53700 KB Ok
59 Correct 123 ms 53360 KB Ok
60 Correct 114 ms 52772 KB Ok
61 Correct 107 ms 53228 KB Ok
62 Correct 144 ms 54180 KB Ok
63 Correct 124 ms 53016 KB Ok
64 Correct 142 ms 53872 KB Ok
65 Correct 131 ms 53872 KB Ok
66 Correct 112 ms 53276 KB Ok
67 Correct 111 ms 52976 KB Ok
68 Correct 140 ms 53544 KB Ok
69 Correct 348 ms 60856 KB Ok
70 Correct 400 ms 60912 KB Ok
71 Correct 344 ms 59576 KB Ok
72 Correct 327 ms 60896 KB Ok
73 Correct 349 ms 59688 KB Ok
74 Correct 351 ms 60144 KB Ok
75 Correct 359 ms 60532 KB Ok
76 Correct 346 ms 60916 KB Ok
77 Correct 356 ms 60020 KB Ok
78 Correct 366 ms 61044 KB Ok
79 Correct 377 ms 60624 KB Ok
80 Correct 321 ms 59724 KB Ok
81 Correct 335 ms 60860 KB Ok
82 Correct 344 ms 60360 KB Ok
83 Correct 356 ms 60916 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47352 KB Ok
3 Correct 44 ms 47392 KB Ok
4 Correct 44 ms 47352 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 50 ms 47364 KB Ok
8 Correct 45 ms 47272 KB Ok
9 Correct 45 ms 47332 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 45 ms 47320 KB Ok
12 Correct 44 ms 47228 KB Ok
13 Correct 45 ms 47352 KB Ok
14 Correct 44 ms 47224 KB Ok
15 Correct 45 ms 47360 KB Ok
16 Correct 45 ms 47356 KB Ok
17 Correct 44 ms 47360 KB Ok
18 Correct 47 ms 47452 KB Ok
19 Correct 56 ms 48248 KB Ok
20 Correct 50 ms 47680 KB Ok
21 Correct 61 ms 48556 KB Ok
22 Correct 52 ms 47896 KB Ok
23 Correct 45 ms 47440 KB Ok
24 Correct 45 ms 47352 KB Ok
25 Correct 51 ms 47352 KB Ok
26 Correct 45 ms 47264 KB Ok
27 Correct 45 ms 47244 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 45 ms 47332 KB Ok
30 Correct 44 ms 47224 KB Ok
31 Correct 46 ms 47228 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 55 ms 47224 KB Ok
34 Correct 45 ms 47324 KB Ok
35 Correct 44 ms 47224 KB Ok
36 Correct 44 ms 47352 KB Ok
37 Correct 44 ms 47300 KB Ok
38 Correct 45 ms 47464 KB Ok
39 Correct 175 ms 62952 KB Ok
40 Correct 131 ms 62448 KB Ok
41 Correct 212 ms 65704 KB Ok
42 Correct 220 ms 62972 KB Ok
43 Correct 135 ms 58128 KB Ok
44 Correct 203 ms 66924 KB Ok
45 Correct 46 ms 47476 KB Ok
46 Correct 46 ms 47552 KB Ok
47 Correct 48 ms 47484 KB Ok
48 Correct 46 ms 47480 KB Ok
49 Correct 46 ms 47608 KB Ok
50 Correct 47 ms 47444 KB Ok
51 Correct 47 ms 47480 KB Ok
52 Correct 47 ms 47516 KB Ok
53 Correct 47 ms 47504 KB Ok
54 Correct 46 ms 47480 KB Ok
55 Correct 50 ms 47736 KB Ok
56 Correct 50 ms 47764 KB Ok
57 Correct 50 ms 47736 KB Ok
58 Correct 50 ms 47736 KB Ok
59 Correct 50 ms 47736 KB Ok
60 Correct 49 ms 47608 KB Ok
61 Correct 50 ms 47772 KB Ok
62 Correct 50 ms 47656 KB Ok
63 Correct 51 ms 47736 KB Ok
64 Correct 49 ms 47740 KB Ok
65 Correct 119 ms 53384 KB Ok
66 Correct 129 ms 53872 KB Ok
67 Correct 132 ms 53824 KB Ok
68 Correct 103 ms 52748 KB Ok
69 Correct 128 ms 53700 KB Ok
70 Correct 123 ms 53360 KB Ok
71 Correct 114 ms 52772 KB Ok
72 Correct 107 ms 53228 KB Ok
73 Correct 144 ms 54180 KB Ok
74 Correct 124 ms 53016 KB Ok
75 Correct 142 ms 53872 KB Ok
76 Correct 131 ms 53872 KB Ok
77 Correct 112 ms 53276 KB Ok
78 Correct 111 ms 52976 KB Ok
79 Correct 140 ms 53544 KB Ok
80 Correct 348 ms 60856 KB Ok
81 Correct 400 ms 60912 KB Ok
82 Correct 344 ms 59576 KB Ok
83 Correct 327 ms 60896 KB Ok
84 Correct 349 ms 59688 KB Ok
85 Correct 351 ms 60144 KB Ok
86 Correct 359 ms 60532 KB Ok
87 Correct 346 ms 60916 KB Ok
88 Correct 356 ms 60020 KB Ok
89 Correct 366 ms 61044 KB Ok
90 Correct 377 ms 60624 KB Ok
91 Correct 321 ms 59724 KB Ok
92 Correct 335 ms 60860 KB Ok
93 Correct 344 ms 60360 KB Ok
94 Correct 356 ms 60916 KB Ok
95 Correct 261 ms 63324 KB Ok
96 Correct 439 ms 71076 KB Ok
97 Correct 394 ms 67104 KB Ok
98 Correct 288 ms 66816 KB Ok
99 Correct 279 ms 66376 KB Ok
100 Correct 385 ms 66660 KB Ok
101 Correct 306 ms 68808 KB Ok
102 Correct 372 ms 67140 KB Ok
103 Correct 385 ms 68560 KB Ok
104 Correct 412 ms 70120 KB Ok
105 Correct 462 ms 70732 KB Ok
106 Correct 345 ms 69708 KB Ok
107 Correct 388 ms 69604 KB Ok
108 Correct 483 ms 70872 KB Ok
109 Correct 402 ms 71120 KB Ok
110 Execution timed out 2064 ms 100128 KB Time limit exceeded
111 Halted 0 ms 0 KB -