oj.uz

Submission #173826

# Submission time Handle Problem Language Result Execution time Memory
173826 2020-01-05T13:31:18 Z davitmarg Nice sequence (IZhO18_sequence) C++17
76 / 100
 2000 ms 62692 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 = 2 * 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];
            //a[to] = max(a[to], a[v] + 1);
            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:119:12: warning: variable 'l' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
            ^
sequence.cpp:119:15: warning: variable 'r' set but not used [-Wunused-but-set-variable]
         LL l, r, mid;
               ^
sequence.cpp:119:18: warning: unused variable 'mid' [-Wunused-variable]
         LL l, r, mid;
                  ^~~
sequence.cpp:118:14: 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 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 10 ms 9720 KB Ok
4 Correct 4 ms 9720 KB Ok
5 Correct 10 ms 9720 KB Ok
6 Correct 10 ms 9720 KB Ok
7 Correct 10 ms 9720 KB Ok
8 Correct 11 ms 9692 KB Ok
9 Correct 10 ms 9720 KB Ok
10 Correct 10 ms 9720 KB Ok
11 Correct 10 ms 9720 KB Ok
12 Correct 10 ms 9720 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 11 ms 9720 KB Ok
4 Correct 11 ms 9692 KB Ok
5 Correct 11 ms 9720 KB Ok
6 Correct 13 ms 9848 KB Ok
7 Correct 22 ms 10744 KB Ok
8 Correct 16 ms 10204 KB Ok
9 Correct 25 ms 10872 KB Ok
10 Correct 18 ms 10360 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9724 KB Ok
3 Correct 10 ms 9720 KB Ok
4 Correct 10 ms 9720 KB Ok
5 Correct 11 ms 9720 KB Ok
6 Correct 10 ms 9720 KB Ok
7 Correct 11 ms 9720 KB Ok
8 Correct 12 ms 9688 KB Ok
9 Correct 10 ms 9720 KB Ok
10 Correct 10 ms 9720 KB Ok
11 Correct 10 ms 9720 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 11 ms 9720 KB Ok
4 Correct 10 ms 9720 KB Ok
5 Correct 11 ms 9848 KB Ok
6 Correct 131 ms 25324 KB Ok
7 Correct 97 ms 24944 KB Ok
8 Correct 175 ms 28120 KB Ok
9 Correct 199 ms 25324 KB Ok
10 Correct 95 ms 20464 KB Ok
11 Correct 167 ms 29292 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 10 ms 9720 KB Ok
4 Correct 4 ms 9720 KB Ok
5 Correct 10 ms 9720 KB Ok
6 Correct 10 ms 9720 KB Ok
7 Correct 10 ms 9720 KB Ok
8 Correct 11 ms 9692 KB Ok
9 Correct 10 ms 9720 KB Ok
10 Correct 10 ms 9720 KB Ok
11 Correct 10 ms 9720 KB Ok
12 Correct 10 ms 9720 KB Ok
13 Correct 10 ms 9720 KB Ok
14 Correct 10 ms 9724 KB Ok
15 Correct 10 ms 9720 KB Ok
16 Correct 10 ms 9720 KB Ok
17 Correct 11 ms 9720 KB Ok
18 Correct 10 ms 9720 KB Ok
19 Correct 11 ms 9720 KB Ok
20 Correct 12 ms 9688 KB Ok
21 Correct 10 ms 9720 KB Ok
22 Correct 10 ms 9720 KB Ok
23 Correct 10 ms 9720 KB Ok
24 Correct 12 ms 9976 KB Ok
25 Correct 12 ms 9976 KB Ok
26 Correct 12 ms 9976 KB Ok
27 Correct 12 ms 9976 KB Ok
28 Correct 12 ms 9976 KB Ok
29 Correct 12 ms 9848 KB Ok
30 Correct 11 ms 9848 KB Ok
31 Correct 12 ms 9848 KB Ok
32 Correct 12 ms 9848 KB Ok
33 Correct 12 ms 9976 KB Ok
34 Correct 16 ms 10104 KB Ok
35 Correct 16 ms 10104 KB Ok
36 Correct 16 ms 10104 KB Ok
37 Correct 16 ms 10104 KB Ok
38 Correct 18 ms 10104 KB Ok
39 Correct 15 ms 10104 KB Ok
40 Correct 16 ms 10104 KB Ok
41 Correct 16 ms 10136 KB Ok
42 Correct 15 ms 10232 KB Ok
43 Correct 15 ms 10232 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 10 ms 9720 KB Ok
4 Correct 4 ms 9720 KB Ok
5 Correct 10 ms 9720 KB Ok
6 Correct 10 ms 9720 KB Ok
7 Correct 10 ms 9720 KB Ok
8 Correct 11 ms 9692 KB Ok
9 Correct 10 ms 9720 KB Ok
10 Correct 10 ms 9720 KB Ok
11 Correct 10 ms 9720 KB Ok
12 Correct 10 ms 9720 KB Ok
13 Correct 10 ms 9720 KB Ok
14 Correct 10 ms 9720 KB Ok
15 Correct 11 ms 9720 KB Ok
16 Correct 11 ms 9692 KB Ok
17 Correct 11 ms 9720 KB Ok
18 Correct 13 ms 9848 KB Ok
19 Correct 22 ms 10744 KB Ok
20 Correct 16 ms 10204 KB Ok
21 Correct 25 ms 10872 KB Ok
22 Correct 18 ms 10360 KB Ok
23 Correct 10 ms 9720 KB Ok
24 Correct 10 ms 9724 KB Ok
25 Correct 10 ms 9720 KB Ok
26 Correct 10 ms 9720 KB Ok
27 Correct 11 ms 9720 KB Ok
28 Correct 10 ms 9720 KB Ok
29 Correct 11 ms 9720 KB Ok
30 Correct 12 ms 9688 KB Ok
31 Correct 10 ms 9720 KB Ok
32 Correct 10 ms 9720 KB Ok
33 Correct 10 ms 9720 KB Ok
34 Correct 12 ms 9976 KB Ok
35 Correct 12 ms 9976 KB Ok
36 Correct 12 ms 9976 KB Ok
37 Correct 12 ms 9976 KB Ok
38 Correct 12 ms 9976 KB Ok
39 Correct 12 ms 9848 KB Ok
40 Correct 11 ms 9848 KB Ok
41 Correct 12 ms 9848 KB Ok
42 Correct 12 ms 9848 KB Ok
43 Correct 12 ms 9976 KB Ok
44 Correct 16 ms 10104 KB Ok
45 Correct 16 ms 10104 KB Ok
46 Correct 16 ms 10104 KB Ok
47 Correct 16 ms 10104 KB Ok
48 Correct 18 ms 10104 KB Ok
49 Correct 15 ms 10104 KB Ok
50 Correct 16 ms 10104 KB Ok
51 Correct 16 ms 10136 KB Ok
52 Correct 15 ms 10232 KB Ok
53 Correct 15 ms 10232 KB Ok
54 Correct 83 ms 15896 KB Ok
55 Correct 94 ms 16372 KB Ok
56 Correct 93 ms 16212 KB Ok
57 Correct 68 ms 15212 KB Ok
58 Correct 95 ms 16188 KB Ok
59 Correct 90 ms 15700 KB Ok
60 Correct 81 ms 15216 KB Ok
61 Correct 74 ms 15676 KB Ok
62 Correct 114 ms 16500 KB Ok
63 Correct 86 ms 15468 KB Ok
64 Correct 100 ms 16288 KB Ok
65 Correct 94 ms 16112 KB Ok
66 Correct 76 ms 15856 KB Ok
67 Correct 71 ms 15472 KB Ok
68 Correct 90 ms 16104 KB Ok
69 Correct 321 ms 23408 KB Ok
70 Correct 328 ms 23332 KB Ok
71 Correct 273 ms 21876 KB Ok
72 Correct 266 ms 23284 KB Ok
73 Correct 298 ms 22104 KB Ok
74 Correct 305 ms 22760 KB Ok
75 Correct 289 ms 23156 KB Ok
76 Correct 318 ms 23316 KB Ok
77 Correct 325 ms 22384 KB Ok
78 Correct 302 ms 23332 KB Ok
79 Correct 317 ms 23000 KB Ok
80 Correct 296 ms 22128 KB Ok
81 Correct 318 ms 23516 KB Ok
82 Correct 321 ms 22900 KB Ok
83 Correct 289 ms 23412 KB Ok

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Ok
2 Correct 10 ms 9720 KB Ok
3 Correct 10 ms 9720 KB Ok
4 Correct 4 ms 9720 KB Ok
5 Correct 10 ms 9720 KB Ok
6 Correct 10 ms 9720 KB Ok
7 Correct 10 ms 9720 KB Ok
8 Correct 11 ms 9692 KB Ok
9 Correct 10 ms 9720 KB Ok
10 Correct 10 ms 9720 KB Ok
11 Correct 10 ms 9720 KB Ok
12 Correct 10 ms 9720 KB Ok
13 Correct 10 ms 9720 KB Ok
14 Correct 10 ms 9720 KB Ok
15 Correct 11 ms 9720 KB Ok
16 Correct 11 ms 9692 KB Ok
17 Correct 11 ms 9720 KB Ok
18 Correct 13 ms 9848 KB Ok
19 Correct 22 ms 10744 KB Ok
20 Correct 16 ms 10204 KB Ok
21 Correct 25 ms 10872 KB Ok
22 Correct 18 ms 10360 KB Ok
23 Correct 10 ms 9720 KB Ok
24 Correct 10 ms 9724 KB Ok
25 Correct 10 ms 9720 KB Ok
26 Correct 10 ms 9720 KB Ok
27 Correct 11 ms 9720 KB Ok
28 Correct 10 ms 9720 KB Ok
29 Correct 11 ms 9720 KB Ok
30 Correct 12 ms 9688 KB Ok
31 Correct 10 ms 9720 KB Ok
32 Correct 10 ms 9720 KB Ok
33 Correct 10 ms 9720 KB Ok
34 Correct 10 ms 9720 KB Ok
35 Correct 10 ms 9720 KB Ok
36 Correct 11 ms 9720 KB Ok
37 Correct 10 ms 9720 KB Ok
38 Correct 11 ms 9848 KB Ok
39 Correct 131 ms 25324 KB Ok
40 Correct 97 ms 24944 KB Ok
41 Correct 175 ms 28120 KB Ok
42 Correct 199 ms 25324 KB Ok
43 Correct 95 ms 20464 KB Ok
44 Correct 167 ms 29292 KB Ok
45 Correct 12 ms 9976 KB Ok
46 Correct 12 ms 9976 KB Ok
47 Correct 12 ms 9976 KB Ok
48 Correct 12 ms 9976 KB Ok
49 Correct 12 ms 9976 KB Ok
50 Correct 12 ms 9848 KB Ok
51 Correct 11 ms 9848 KB Ok
52 Correct 12 ms 9848 KB Ok
53 Correct 12 ms 9848 KB Ok
54 Correct 12 ms 9976 KB Ok
55 Correct 16 ms 10104 KB Ok
56 Correct 16 ms 10104 KB Ok
57 Correct 16 ms 10104 KB Ok
58 Correct 16 ms 10104 KB Ok
59 Correct 18 ms 10104 KB Ok
60 Correct 15 ms 10104 KB Ok
61 Correct 16 ms 10104 KB Ok
62 Correct 16 ms 10136 KB Ok
63 Correct 15 ms 10232 KB Ok
64 Correct 15 ms 10232 KB Ok
65 Correct 83 ms 15896 KB Ok
66 Correct 94 ms 16372 KB Ok
67 Correct 93 ms 16212 KB Ok
68 Correct 68 ms 15212 KB Ok
69 Correct 95 ms 16188 KB Ok
70 Correct 90 ms 15700 KB Ok
71 Correct 81 ms 15216 KB Ok
72 Correct 74 ms 15676 KB Ok
73 Correct 114 ms 16500 KB Ok
74 Correct 86 ms 15468 KB Ok
75 Correct 100 ms 16288 KB Ok
76 Correct 94 ms 16112 KB Ok
77 Correct 76 ms 15856 KB Ok
78 Correct 71 ms 15472 KB Ok
79 Correct 90 ms 16104 KB Ok
80 Correct 321 ms 23408 KB Ok
81 Correct 328 ms 23332 KB Ok
82 Correct 273 ms 21876 KB Ok
83 Correct 266 ms 23284 KB Ok
84 Correct 298 ms 22104 KB Ok
85 Correct 305 ms 22760 KB Ok
86 Correct 289 ms 23156 KB Ok
87 Correct 318 ms 23316 KB Ok
88 Correct 325 ms 22384 KB Ok
89 Correct 302 ms 23332 KB Ok
90 Correct 317 ms 23000 KB Ok
91 Correct 296 ms 22128 KB Ok
92 Correct 318 ms 23516 KB Ok
93 Correct 321 ms 22900 KB Ok
94 Correct 289 ms 23412 KB Ok
95 Correct 226 ms 25760 KB Ok
96 Correct 422 ms 33548 KB Ok
97 Correct 326 ms 29540 KB Ok
98 Correct 251 ms 29156 KB Ok
99 Correct 239 ms 28648 KB Ok
100 Correct 332 ms 29032 KB Ok
101 Correct 263 ms 31376 KB Ok
102 Correct 353 ms 29548 KB Ok
103 Correct 345 ms 30932 KB Ok
104 Correct 375 ms 32356 KB Ok
105 Correct 415 ms 33132 KB Ok
106 Correct 305 ms 32100 KB Ok
107 Correct 345 ms 31896 KB Ok
108 Correct 417 ms 33316 KB Ok
109 Correct 351 ms 33640 KB Ok
110 Execution timed out 2096 ms 62692 KB Time limit exceeded
111 Halted 0 ms 0 KB -