oj.uz

Submission #173818

# Submission time Handle Problem Language Result Execution time Memory
173818 2020-01-05T13:17:10 Z davitmarg Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 94524 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();
        used[i] = 0;
        a[i] = i;
    }

    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];
        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(' ');
        }
        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:82:27: 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:124:12: warning: variable 'l' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
            ^
sequence.cpp:124:15: warning: variable 'r' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
               ^
sequence.cpp:124:18: 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 47352 KB Ok
5 Correct 44 ms 47228 KB Ok
6 Correct 44 ms 47356 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 44 ms 47352 KB Ok
9 Correct 44 ms 47352 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 44 ms 47352 KB Ok
12 Correct 44 ms 47352 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 47228 KB Ok
2 Correct 44 ms 47324 KB Ok
3 Correct 45 ms 47312 KB Ok
4 Correct 45 ms 47352 KB Ok
5 Correct 51 ms 47352 KB Ok
6 Correct 50 ms 47480 KB Ok
7 Correct 56 ms 48216 KB Ok
8 Correct 49 ms 47736 KB Ok
9 Correct 57 ms 48376 KB Ok
10 Correct 51 ms 47892 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 47352 KB Ok
2 Correct 44 ms 47304 KB Ok
3 Correct 44 ms 47356 KB Ok
4 Correct 44 ms 47256 KB Ok
5 Correct 45 ms 47352 KB Ok
6 Correct 44 ms 47352 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 44 ms 47480 KB Ok
9 Correct 44 ms 47352 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 45 ms 47352 KB Ok
2 Correct 45 ms 47352 KB Ok
3 Correct 45 ms 47328 KB Ok
4 Correct 44 ms 47352 KB Ok
5 Correct 44 ms 47352 KB Ok
6 Correct 146 ms 62080 KB Ok
7 Correct 127 ms 62432 KB Ok
8 Correct 191 ms 64880 KB Ok
9 Correct 194 ms 61932 KB Ok
10 Correct 107 ms 56944 KB Ok
11 Correct 174 ms 65516 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 47352 KB Ok
5 Correct 44 ms 47228 KB Ok
6 Correct 44 ms 47356 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 44 ms 47352 KB Ok
9 Correct 44 ms 47352 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 44 ms 47352 KB Ok
12 Correct 44 ms 47352 KB Ok
13 Correct 45 ms 47352 KB Ok
14 Correct 44 ms 47304 KB Ok
15 Correct 44 ms 47356 KB Ok
16 Correct 44 ms 47256 KB Ok
17 Correct 45 ms 47352 KB Ok
18 Correct 44 ms 47352 KB Ok
19 Correct 44 ms 47352 KB Ok
20 Correct 44 ms 47480 KB Ok
21 Correct 44 ms 47352 KB Ok
22 Correct 44 ms 47352 KB Ok
23 Correct 44 ms 47352 KB Ok
24 Correct 45 ms 47480 KB Ok
25 Correct 46 ms 47480 KB Ok
26 Correct 45 ms 47460 KB Ok
27 Correct 46 ms 47480 KB Ok
28 Correct 45 ms 47480 KB Ok
29 Correct 45 ms 47480 KB Ok
30 Correct 46 ms 47352 KB Ok
31 Correct 45 ms 47480 KB Ok
32 Correct 46 ms 47480 KB Ok
33 Correct 46 ms 47480 KB Ok
34 Correct 49 ms 47644 KB Ok
35 Correct 49 ms 47736 KB Ok
36 Correct 49 ms 47736 KB Ok
37 Correct 50 ms 47736 KB Ok
38 Correct 49 ms 47744 KB Ok
39 Correct 49 ms 47608 KB Ok
40 Correct 50 ms 47736 KB Ok
41 Correct 49 ms 47736 KB Ok
42 Correct 48 ms 47636 KB Ok
43 Correct 49 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 47352 KB Ok
5 Correct 44 ms 47228 KB Ok
6 Correct 44 ms 47356 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 44 ms 47352 KB Ok
9 Correct 44 ms 47352 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 44 ms 47352 KB Ok
12 Correct 44 ms 47352 KB Ok
13 Correct 44 ms 47228 KB Ok
14 Correct 44 ms 47324 KB Ok
15 Correct 45 ms 47312 KB Ok
16 Correct 45 ms 47352 KB Ok
17 Correct 51 ms 47352 KB Ok
18 Correct 50 ms 47480 KB Ok
19 Correct 56 ms 48216 KB Ok
20 Correct 49 ms 47736 KB Ok
21 Correct 57 ms 48376 KB Ok
22 Correct 51 ms 47892 KB Ok
23 Correct 45 ms 47352 KB Ok
24 Correct 44 ms 47304 KB Ok
25 Correct 44 ms 47356 KB Ok
26 Correct 44 ms 47256 KB Ok
27 Correct 45 ms 47352 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 44 ms 47352 KB Ok
30 Correct 44 ms 47480 KB Ok
31 Correct 44 ms 47352 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 44 ms 47352 KB Ok
34 Correct 45 ms 47480 KB Ok
35 Correct 46 ms 47480 KB Ok
36 Correct 45 ms 47460 KB Ok
37 Correct 46 ms 47480 KB Ok
38 Correct 45 ms 47480 KB Ok
39 Correct 45 ms 47480 KB Ok
40 Correct 46 ms 47352 KB Ok
41 Correct 45 ms 47480 KB Ok
42 Correct 46 ms 47480 KB Ok
43 Correct 46 ms 47480 KB Ok
44 Correct 49 ms 47644 KB Ok
45 Correct 49 ms 47736 KB Ok
46 Correct 49 ms 47736 KB Ok
47 Correct 50 ms 47736 KB Ok
48 Correct 49 ms 47744 KB Ok
49 Correct 49 ms 47608 KB Ok
50 Correct 50 ms 47736 KB Ok
51 Correct 49 ms 47736 KB Ok
52 Correct 48 ms 47636 KB Ok
53 Correct 49 ms 47736 KB Ok
54 Correct 100 ms 52620 KB Ok
55 Correct 109 ms 52928 KB Ok
56 Correct 107 ms 52844 KB Ok
57 Correct 87 ms 52208 KB Ok
58 Correct 109 ms 52592 KB Ok
59 Correct 103 ms 52464 KB Ok
60 Correct 101 ms 51956 KB Ok
61 Correct 93 ms 52544 KB Ok
62 Correct 123 ms 52956 KB Ok
63 Correct 106 ms 52184 KB Ok
64 Correct 118 ms 52748 KB Ok
65 Correct 106 ms 52820 KB Ok
66 Correct 93 ms 52592 KB Ok
67 Correct 105 ms 52256 KB Ok
68 Correct 117 ms 52692 KB Ok
69 Correct 339 ms 60020 KB Ok
70 Correct 381 ms 61044 KB Ok
71 Correct 335 ms 57776 KB Ok
72 Correct 321 ms 60660 KB Ok
73 Correct 353 ms 58384 KB Ok
74 Correct 283 ms 58236 KB Ok
75 Correct 272 ms 58484 KB Ok
76 Correct 336 ms 60916 KB Ok
77 Correct 295 ms 57584 KB Ok
78 Correct 398 ms 60788 KB Ok
79 Correct 325 ms 59508 KB Ok
80 Correct 348 ms 58588 KB Ok
81 Correct 448 ms 60280 KB Ok
82 Correct 310 ms 59288 KB Ok
83 Correct 275 ms 58868 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 47352 KB Ok
5 Correct 44 ms 47228 KB Ok
6 Correct 44 ms 47356 KB Ok
7 Correct 44 ms 47352 KB Ok
8 Correct 44 ms 47352 KB Ok
9 Correct 44 ms 47352 KB Ok
10 Correct 44 ms 47352 KB Ok
11 Correct 44 ms 47352 KB Ok
12 Correct 44 ms 47352 KB Ok
13 Correct 44 ms 47228 KB Ok
14 Correct 44 ms 47324 KB Ok
15 Correct 45 ms 47312 KB Ok
16 Correct 45 ms 47352 KB Ok
17 Correct 51 ms 47352 KB Ok
18 Correct 50 ms 47480 KB Ok
19 Correct 56 ms 48216 KB Ok
20 Correct 49 ms 47736 KB Ok
21 Correct 57 ms 48376 KB Ok
22 Correct 51 ms 47892 KB Ok
23 Correct 45 ms 47352 KB Ok
24 Correct 44 ms 47304 KB Ok
25 Correct 44 ms 47356 KB Ok
26 Correct 44 ms 47256 KB Ok
27 Correct 45 ms 47352 KB Ok
28 Correct 44 ms 47352 KB Ok
29 Correct 44 ms 47352 KB Ok
30 Correct 44 ms 47480 KB Ok
31 Correct 44 ms 47352 KB Ok
32 Correct 44 ms 47352 KB Ok
33 Correct 44 ms 47352 KB Ok
34 Correct 45 ms 47352 KB Ok
35 Correct 45 ms 47352 KB Ok
36 Correct 45 ms 47328 KB Ok
37 Correct 44 ms 47352 KB Ok
38 Correct 44 ms 47352 KB Ok
39 Correct 146 ms 62080 KB Ok
40 Correct 127 ms 62432 KB Ok
41 Correct 191 ms 64880 KB Ok
42 Correct 194 ms 61932 KB Ok
43 Correct 107 ms 56944 KB Ok
44 Correct 174 ms 65516 KB Ok
45 Correct 45 ms 47480 KB Ok
46 Correct 46 ms 47480 KB Ok
47 Correct 45 ms 47460 KB Ok
48 Correct 46 ms 47480 KB Ok
49 Correct 45 ms 47480 KB Ok
50 Correct 45 ms 47480 KB Ok
51 Correct 46 ms 47352 KB Ok
52 Correct 45 ms 47480 KB Ok
53 Correct 46 ms 47480 KB Ok
54 Correct 46 ms 47480 KB Ok
55 Correct 49 ms 47644 KB Ok
56 Correct 49 ms 47736 KB Ok
57 Correct 49 ms 47736 KB Ok
58 Correct 50 ms 47736 KB Ok
59 Correct 49 ms 47744 KB Ok
60 Correct 49 ms 47608 KB Ok
61 Correct 50 ms 47736 KB Ok
62 Correct 49 ms 47736 KB Ok
63 Correct 48 ms 47636 KB Ok
64 Correct 49 ms 47736 KB Ok
65 Correct 100 ms 52620 KB Ok
66 Correct 109 ms 52928 KB Ok
67 Correct 107 ms 52844 KB Ok
68 Correct 87 ms 52208 KB Ok
69 Correct 109 ms 52592 KB Ok
70 Correct 103 ms 52464 KB Ok
71 Correct 101 ms 51956 KB Ok
72 Correct 93 ms 52544 KB Ok
73 Correct 123 ms 52956 KB Ok
74 Correct 106 ms 52184 KB Ok
75 Correct 118 ms 52748 KB Ok
76 Correct 106 ms 52820 KB Ok
77 Correct 93 ms 52592 KB Ok
78 Correct 105 ms 52256 KB Ok
79 Correct 117 ms 52692 KB Ok
80 Correct 339 ms 60020 KB Ok
81 Correct 381 ms 61044 KB Ok
82 Correct 335 ms 57776 KB Ok
83 Correct 321 ms 60660 KB Ok
84 Correct 353 ms 58384 KB Ok
85 Correct 283 ms 58236 KB Ok
86 Correct 272 ms 58484 KB Ok
87 Correct 336 ms 60916 KB Ok
88 Correct 295 ms 57584 KB Ok
89 Correct 398 ms 60788 KB Ok
90 Correct 325 ms 59508 KB Ok
91 Correct 348 ms 58588 KB Ok
92 Correct 448 ms 60280 KB Ok
93 Correct 310 ms 59288 KB Ok
94 Correct 275 ms 58868 KB Ok
95 Correct 216 ms 61132 KB Ok
96 Correct 357 ms 67428 KB Ok
97 Correct 313 ms 64076 KB Ok
98 Correct 241 ms 64356 KB Ok
99 Correct 209 ms 63848 KB Ok
100 Correct 311 ms 63204 KB Ok
101 Correct 246 ms 66276 KB Ok
102 Correct 323 ms 64044 KB Ok
103 Correct 307 ms 65156 KB Ok
104 Correct 335 ms 66664 KB Ok
105 Correct 419 ms 67212 KB Ok
106 Correct 274 ms 67300 KB Ok
107 Correct 314 ms 66664 KB Ok
108 Correct 386 ms 67044 KB Ok
109 Correct 324 ms 68204 KB Ok
110 Execution timed out 2068 ms 94524 KB Time limit exceeded
111 Halted 0 ms 0 KB -