Submission #513592

# Submission time Handle Problem Language Result Execution time Memory
513592 2022-01-17T09:39:36 Z Killer2501 Nice sequence (IZhO18_sequence) C++14
76 / 100
2000 ms 55548 KB
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fi first
#define se second
using namespace std;
const int N = 5e5+5;
const int M = (1<<17);
const ll inf = 1e15;
const ll mod = 1e15+7;
int n, t, k, m, d[N], in[N], out[N];
ll ans, tong, a[N], b[N], c[N];
string s[N];
struct node
{
    int x[2];
    set<int> vi;
    node(){}
    node( int _x, int _y)
    {
        x[0] = _x;
        x[1] = _y;
    }

};
vector<node> q;
vector<int> adj[N], kq;
void dfs(int u)
{
    a[u] = ++t;
    if(u+m <= k && a[u+m] == 0)dfs(u+m);
    if(u-n >= 0 && a[u-n] == 0)dfs(u-n);
}
bool check(int mid)
{
    k = mid;
    for(int i = 0; i <= k; i ++)adj[i].clear();
    fill_n(a, k+1, 0);
    t = 0;
    for(int i = 0; i <= k; i ++)
    {
        if(i+m <= k)
        {
            adj[i].pb(i+m);
            ++a[i+m];
        }
        if(i >= n)
        {
            adj[i].pb(i-n);
            ++a[i-n];
        }
    }
    queue<int> q;
    for(int i = 0; i <= k; i ++)if(a[i] == 0)q.push(i);
    while(!q.empty())
    {
        int u = q.front();
        q.pop();
        a[u] = ++t;
        for(int v: adj[u])
        {
            --a[v];
            if(a[v] == 0)q.push(v);
        }
    }
    if(t == k+1)return true;
    return false;
}
void sol()
{
    cin >> n >> m;
    int l = 1, r = 5e5, mid;
    while(l <= r)
    {
        mid = (l+r)>>1;
        if(check(mid))l = mid+1;
        else r = mid-1;
    }
    check(r);
    cout << r << '\n';
    for(int i = 1; i <= r; i ++)cout << a[i]-a[i-1] <<" ";
    cout << '\n';
}
int main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    #define task "test"
    if(fopen(task".inp", "r"))
	{
		freopen(task".inp", "r", stdin);
		freopen(task".out", "w", stdout);
    }
    int ntest = 1;
    cin >> ntest;
    while(ntest -- > 0)
    sol();
}

Compilation message

sequence.cpp: In function 'int main()':
sequence.cpp:96:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |   freopen(task".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:97:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   97 |   freopen(task".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 129 ms 37492 KB Ok
2 Correct 110 ms 37492 KB Ok
3 Correct 116 ms 37496 KB Ok
4 Correct 119 ms 37512 KB Ok
5 Correct 119 ms 37492 KB Ok
6 Correct 122 ms 37492 KB Ok
7 Correct 116 ms 37444 KB Ok
8 Correct 108 ms 37488 KB Ok
9 Correct 112 ms 37488 KB Ok
10 Correct 112 ms 37496 KB Ok
11 Correct 126 ms 37504 KB Ok
12 Correct 114 ms 37504 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 109 ms 37384 KB Ok
2 Correct 117 ms 37604 KB Ok
3 Correct 123 ms 37492 KB Ok
4 Correct 123 ms 37440 KB Ok
5 Correct 111 ms 37460 KB Ok
6 Correct 113 ms 37532 KB Ok
7 Correct 145 ms 37768 KB Ok
8 Correct 118 ms 37660 KB Ok
9 Correct 134 ms 37844 KB Ok
10 Correct 121 ms 37656 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 54 ms 37528 KB Ok
2 Correct 115 ms 37492 KB Ok
3 Correct 113 ms 37492 KB Ok
4 Correct 114 ms 37492 KB Ok
5 Correct 136 ms 37492 KB Ok
6 Correct 126 ms 37444 KB Ok
7 Correct 113 ms 37540 KB Ok
8 Correct 113 ms 37496 KB Ok
9 Correct 115 ms 37496 KB Ok
10 Correct 110 ms 37492 KB Ok
11 Correct 113 ms 37584 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 111 ms 37392 KB Ok
2 Correct 125 ms 37492 KB Ok
3 Correct 115 ms 37492 KB Ok
4 Correct 113 ms 37492 KB Ok
5 Correct 113 ms 37492 KB Ok
6 Correct 376 ms 40476 KB Ok
7 Correct 306 ms 39668 KB Ok
8 Correct 609 ms 41844 KB Ok
9 Correct 436 ms 42344 KB Ok
10 Correct 272 ms 39364 KB Ok
11 Correct 479 ms 41192 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 129 ms 37492 KB Ok
2 Correct 110 ms 37492 KB Ok
3 Correct 116 ms 37496 KB Ok
4 Correct 119 ms 37512 KB Ok
5 Correct 119 ms 37492 KB Ok
6 Correct 122 ms 37492 KB Ok
7 Correct 116 ms 37444 KB Ok
8 Correct 108 ms 37488 KB Ok
9 Correct 112 ms 37488 KB Ok
10 Correct 112 ms 37496 KB Ok
11 Correct 126 ms 37504 KB Ok
12 Correct 114 ms 37504 KB Ok
13 Correct 54 ms 37528 KB Ok
14 Correct 115 ms 37492 KB Ok
15 Correct 113 ms 37492 KB Ok
16 Correct 114 ms 37492 KB Ok
17 Correct 136 ms 37492 KB Ok
18 Correct 126 ms 37444 KB Ok
19 Correct 113 ms 37540 KB Ok
20 Correct 113 ms 37496 KB Ok
21 Correct 115 ms 37496 KB Ok
22 Correct 110 ms 37492 KB Ok
23 Correct 113 ms 37584 KB Ok
24 Correct 118 ms 37524 KB Ok
25 Correct 131 ms 37644 KB Ok
26 Correct 119 ms 37448 KB Ok
27 Correct 125 ms 37532 KB Ok
28 Correct 114 ms 37632 KB Ok
29 Correct 115 ms 37444 KB Ok
30 Correct 127 ms 37628 KB Ok
31 Correct 110 ms 37504 KB Ok
32 Correct 111 ms 37536 KB Ok
33 Correct 128 ms 37528 KB Ok
34 Correct 119 ms 37704 KB Ok
35 Correct 117 ms 37640 KB Ok
36 Correct 118 ms 37524 KB Ok
37 Correct 120 ms 37640 KB Ok
38 Correct 133 ms 37592 KB Ok
39 Correct 123 ms 37560 KB Ok
40 Correct 130 ms 37536 KB Ok
41 Correct 117 ms 37600 KB Ok
42 Correct 116 ms 37572 KB Ok
43 Correct 126 ms 37624 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 129 ms 37492 KB Ok
2 Correct 110 ms 37492 KB Ok
3 Correct 116 ms 37496 KB Ok
4 Correct 119 ms 37512 KB Ok
5 Correct 119 ms 37492 KB Ok
6 Correct 122 ms 37492 KB Ok
7 Correct 116 ms 37444 KB Ok
8 Correct 108 ms 37488 KB Ok
9 Correct 112 ms 37488 KB Ok
10 Correct 112 ms 37496 KB Ok
11 Correct 126 ms 37504 KB Ok
12 Correct 114 ms 37504 KB Ok
13 Correct 109 ms 37384 KB Ok
14 Correct 117 ms 37604 KB Ok
15 Correct 123 ms 37492 KB Ok
16 Correct 123 ms 37440 KB Ok
17 Correct 111 ms 37460 KB Ok
18 Correct 113 ms 37532 KB Ok
19 Correct 145 ms 37768 KB Ok
20 Correct 118 ms 37660 KB Ok
21 Correct 134 ms 37844 KB Ok
22 Correct 121 ms 37656 KB Ok
23 Correct 54 ms 37528 KB Ok
24 Correct 115 ms 37492 KB Ok
25 Correct 113 ms 37492 KB Ok
26 Correct 114 ms 37492 KB Ok
27 Correct 136 ms 37492 KB Ok
28 Correct 126 ms 37444 KB Ok
29 Correct 113 ms 37540 KB Ok
30 Correct 113 ms 37496 KB Ok
31 Correct 115 ms 37496 KB Ok
32 Correct 110 ms 37492 KB Ok
33 Correct 113 ms 37584 KB Ok
34 Correct 118 ms 37524 KB Ok
35 Correct 131 ms 37644 KB Ok
36 Correct 119 ms 37448 KB Ok
37 Correct 125 ms 37532 KB Ok
38 Correct 114 ms 37632 KB Ok
39 Correct 115 ms 37444 KB Ok
40 Correct 127 ms 37628 KB Ok
41 Correct 110 ms 37504 KB Ok
42 Correct 111 ms 37536 KB Ok
43 Correct 128 ms 37528 KB Ok
44 Correct 119 ms 37704 KB Ok
45 Correct 117 ms 37640 KB Ok
46 Correct 118 ms 37524 KB Ok
47 Correct 120 ms 37640 KB Ok
48 Correct 133 ms 37592 KB Ok
49 Correct 123 ms 37560 KB Ok
50 Correct 130 ms 37536 KB Ok
51 Correct 117 ms 37600 KB Ok
52 Correct 116 ms 37572 KB Ok
53 Correct 126 ms 37624 KB Ok
54 Correct 312 ms 38924 KB Ok
55 Correct 363 ms 39280 KB Ok
56 Correct 351 ms 39128 KB Ok
57 Correct 315 ms 39008 KB Ok
58 Correct 366 ms 38980 KB Ok
59 Correct 323 ms 39012 KB Ok
60 Correct 283 ms 38784 KB Ok
61 Correct 306 ms 38844 KB Ok
62 Correct 374 ms 39204 KB Ok
63 Correct 314 ms 38856 KB Ok
64 Correct 370 ms 39168 KB Ok
65 Correct 357 ms 39096 KB Ok
66 Correct 337 ms 38964 KB Ok
67 Correct 273 ms 38920 KB Ok
68 Correct 316 ms 39000 KB Ok
69 Correct 534 ms 42880 KB Ok
70 Correct 589 ms 44384 KB Ok
71 Correct 537 ms 42172 KB Ok
72 Correct 614 ms 43220 KB Ok
73 Correct 621 ms 42704 KB Ok
74 Correct 504 ms 41600 KB Ok
75 Correct 490 ms 41664 KB Ok
76 Correct 624 ms 43796 KB Ok
77 Correct 543 ms 41300 KB Ok
78 Correct 565 ms 43572 KB Ok
79 Correct 574 ms 43072 KB Ok
80 Correct 509 ms 42672 KB Ok
81 Correct 573 ms 43288 KB Ok
82 Correct 517 ms 42800 KB Ok
83 Correct 534 ms 41752 KB Ok
# Verdict Execution time Memory Grader output
1 Correct 129 ms 37492 KB Ok
2 Correct 110 ms 37492 KB Ok
3 Correct 116 ms 37496 KB Ok
4 Correct 119 ms 37512 KB Ok
5 Correct 119 ms 37492 KB Ok
6 Correct 122 ms 37492 KB Ok
7 Correct 116 ms 37444 KB Ok
8 Correct 108 ms 37488 KB Ok
9 Correct 112 ms 37488 KB Ok
10 Correct 112 ms 37496 KB Ok
11 Correct 126 ms 37504 KB Ok
12 Correct 114 ms 37504 KB Ok
13 Correct 109 ms 37384 KB Ok
14 Correct 117 ms 37604 KB Ok
15 Correct 123 ms 37492 KB Ok
16 Correct 123 ms 37440 KB Ok
17 Correct 111 ms 37460 KB Ok
18 Correct 113 ms 37532 KB Ok
19 Correct 145 ms 37768 KB Ok
20 Correct 118 ms 37660 KB Ok
21 Correct 134 ms 37844 KB Ok
22 Correct 121 ms 37656 KB Ok
23 Correct 54 ms 37528 KB Ok
24 Correct 115 ms 37492 KB Ok
25 Correct 113 ms 37492 KB Ok
26 Correct 114 ms 37492 KB Ok
27 Correct 136 ms 37492 KB Ok
28 Correct 126 ms 37444 KB Ok
29 Correct 113 ms 37540 KB Ok
30 Correct 113 ms 37496 KB Ok
31 Correct 115 ms 37496 KB Ok
32 Correct 110 ms 37492 KB Ok
33 Correct 113 ms 37584 KB Ok
34 Correct 111 ms 37392 KB Ok
35 Correct 125 ms 37492 KB Ok
36 Correct 115 ms 37492 KB Ok
37 Correct 113 ms 37492 KB Ok
38 Correct 113 ms 37492 KB Ok
39 Correct 376 ms 40476 KB Ok
40 Correct 306 ms 39668 KB Ok
41 Correct 609 ms 41844 KB Ok
42 Correct 436 ms 42344 KB Ok
43 Correct 272 ms 39364 KB Ok
44 Correct 479 ms 41192 KB Ok
45 Correct 118 ms 37524 KB Ok
46 Correct 131 ms 37644 KB Ok
47 Correct 119 ms 37448 KB Ok
48 Correct 125 ms 37532 KB Ok
49 Correct 114 ms 37632 KB Ok
50 Correct 115 ms 37444 KB Ok
51 Correct 127 ms 37628 KB Ok
52 Correct 110 ms 37504 KB Ok
53 Correct 111 ms 37536 KB Ok
54 Correct 128 ms 37528 KB Ok
55 Correct 119 ms 37704 KB Ok
56 Correct 117 ms 37640 KB Ok
57 Correct 118 ms 37524 KB Ok
58 Correct 120 ms 37640 KB Ok
59 Correct 133 ms 37592 KB Ok
60 Correct 123 ms 37560 KB Ok
61 Correct 130 ms 37536 KB Ok
62 Correct 117 ms 37600 KB Ok
63 Correct 116 ms 37572 KB Ok
64 Correct 126 ms 37624 KB Ok
65 Correct 312 ms 38924 KB Ok
66 Correct 363 ms 39280 KB Ok
67 Correct 351 ms 39128 KB Ok
68 Correct 315 ms 39008 KB Ok
69 Correct 366 ms 38980 KB Ok
70 Correct 323 ms 39012 KB Ok
71 Correct 283 ms 38784 KB Ok
72 Correct 306 ms 38844 KB Ok
73 Correct 374 ms 39204 KB Ok
74 Correct 314 ms 38856 KB Ok
75 Correct 370 ms 39168 KB Ok
76 Correct 357 ms 39096 KB Ok
77 Correct 337 ms 38964 KB Ok
78 Correct 273 ms 38920 KB Ok
79 Correct 316 ms 39000 KB Ok
80 Correct 534 ms 42880 KB Ok
81 Correct 589 ms 44384 KB Ok
82 Correct 537 ms 42172 KB Ok
83 Correct 614 ms 43220 KB Ok
84 Correct 621 ms 42704 KB Ok
85 Correct 504 ms 41600 KB Ok
86 Correct 490 ms 41664 KB Ok
87 Correct 624 ms 43796 KB Ok
88 Correct 543 ms 41300 KB Ok
89 Correct 565 ms 43572 KB Ok
90 Correct 574 ms 43072 KB Ok
91 Correct 509 ms 42672 KB Ok
92 Correct 573 ms 43288 KB Ok
93 Correct 517 ms 42800 KB Ok
94 Correct 534 ms 41752 KB Ok
95 Correct 687 ms 41428 KB Ok
96 Correct 1036 ms 47728 KB Ok
97 Correct 1008 ms 47520 KB Ok
98 Correct 746 ms 46536 KB Ok
99 Correct 932 ms 47168 KB Ok
100 Correct 984 ms 46912 KB Ok
101 Correct 966 ms 46996 KB Ok
102 Correct 926 ms 46784 KB Ok
103 Correct 911 ms 46936 KB Ok
104 Correct 1086 ms 47856 KB Ok
105 Correct 1051 ms 47288 KB Ok
106 Correct 814 ms 46700 KB Ok
107 Correct 962 ms 47368 KB Ok
108 Correct 1107 ms 47980 KB Ok
109 Correct 980 ms 49548 KB Ok
110 Execution timed out 2100 ms 55548 KB Time limit exceeded
111 Halted 0 ms 0 KB -