oj.uz

Submission #344175

# Submission time Handle Problem Language Result Execution time Memory
344175 2021-01-05T08:23:16 Z VEGAnn Nice sequence (IZhO18_sequence) C++14
100 / 100
 1423 ms 46820 KB 
#include <bits/stdc++.h>
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")
#define ft first
#define sd second
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define pll pair<ll, ll>
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long ll;
const int N = 400100;
vector<int> ts;
int n, m, len, mrk[N], pf[N];
bool cyc;
 
void dfs(int v){
    if (cyc) return;
 
    mrk[v] = 1;
 
    if (v >= m){
        if (mrk[v - m] == 0)
            dfs(v - m);
        else if (mrk[v - m] == 1){
            cyc = 1;
            return;
        }
    }
 
    if (v + n <= len){
        if (mrk[v + n] == 0)
            dfs(v + n);
        else if (mrk[v + n] == 1){
            cyc = 1;
            return;
        }
    }
 
    mrk[v] = 2;
}
 
bool ok(){
    fill(mrk, mrk + len + 1, 0);
    cyc = 0;
 
    for (int i = 0; i <= len && !cyc; i++)
        if (mrk[i] == 0)
            dfs(i);
 
    return !cyc;
}
 
void DFS(int v){
    mrk[v] = 1;
 
    if (v >= m){
        if (mrk[v - m] == 0)
            DFS(v - m);
    }
 
    if (v + n <= len){
        if (mrk[v + n] == 0)
            DFS(v + n);
    }
 
    ts.PB(v);
}
 
 
int main(){
#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#else
    ios_base::sync_with_stdio(0); cin.tie(0);
#endif // _LOCAL
 
    int qq; cin >> qq;
 
    for (; qq; qq--){
        cin >> n >> m;
 
        int l = 0, r = (n + m) * 2;
 
        while (l < r){
            int md = (l + r + 1) >> 1;
            len = md;
 
            if (ok())
                l = md;
            else r = md - 1;
        }
      
      	l = n + m - __gcd(n, m) - 1;
 
        cout << l << '\n';
        len = l;
        fill(mrk, mrk + len + 1, 0);
        fill(pf, pf + len + 1, -1);
        ts.clear();
 
        for (int i = 0; i <= len; i++)
            if (!mrk[i])
                DFS(i);
 
        int it = -len;
 
        for (int v : ts){
            int mx = it;
            it++;
 
            if (v >= m)
                mx = max(mx, pf[v - m]);
 
            if (v + n <= len)
                mx = max(mx, pf[v + n]);
 
            pf[v] = mx + 1;
        }
 
        for (int i = 1; i <= len; i++)
            cout << pf[i] - pf[i - 1] << " ";
        cout << '\n';
    }
 
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 364 KB Ok
9 Correct 1 ms 364 KB Ok
10 Correct 1 ms 364 KB Ok
11 Correct 1 ms 364 KB Ok
12 Correct 1 ms 364 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 4 ms 492 KB Ok
7 Correct 20 ms 1260 KB Ok
8 Correct 9 ms 748 KB Ok
9 Correct 20 ms 1344 KB Ok
10 Correct 12 ms 876 KB Ok

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 364 KB Ok
9 Correct 1 ms 364 KB Ok
10 Correct 1 ms 364 KB Ok
11 Correct 1 ms 364 KB Ok

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 219 ms 10708 KB Ok
7 Correct 203 ms 11112 KB Ok
8 Correct 398 ms 14312 KB Ok
9 Correct 260 ms 12520 KB Ok
10 Correct 133 ms 6640 KB Ok
11 Correct 226 ms 12592 KB Ok

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 364 KB Ok
9 Correct 1 ms 364 KB Ok
10 Correct 1 ms 364 KB Ok
11 Correct 1 ms 364 KB Ok
12 Correct 1 ms 364 KB Ok
13 Correct 1 ms 364 KB Ok
14 Correct 1 ms 364 KB Ok
15 Correct 1 ms 364 KB Ok
16 Correct 1 ms 364 KB Ok
17 Correct 1 ms 364 KB Ok
18 Correct 1 ms 364 KB Ok
19 Correct 1 ms 364 KB Ok
20 Correct 1 ms 364 KB Ok
21 Correct 1 ms 364 KB Ok
22 Correct 1 ms 364 KB Ok
23 Correct 1 ms 364 KB Ok
24 Correct 3 ms 492 KB Ok
25 Correct 3 ms 492 KB Ok
26 Correct 3 ms 492 KB Ok
27 Correct 3 ms 492 KB Ok
28 Correct 3 ms 492 KB Ok
29 Correct 3 ms 492 KB Ok
30 Correct 2 ms 364 KB Ok
31 Correct 3 ms 492 KB Ok
32 Correct 3 ms 492 KB Ok
33 Correct 3 ms 492 KB Ok
34 Correct 7 ms 620 KB Ok
35 Correct 8 ms 620 KB Ok
36 Correct 8 ms 748 KB Ok
37 Correct 9 ms 876 KB Ok
38 Correct 7 ms 748 KB Ok
39 Correct 7 ms 620 KB Ok
40 Correct 8 ms 748 KB Ok
41 Correct 8 ms 620 KB Ok
42 Correct 8 ms 620 KB Ok
43 Correct 8 ms 748 KB Ok

Subtask #6
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 364 KB Ok
9 Correct 1 ms 364 KB Ok
10 Correct 1 ms 364 KB Ok
11 Correct 1 ms 364 KB Ok
12 Correct 1 ms 364 KB Ok
13 Correct 1 ms 364 KB Ok
14 Correct 1 ms 364 KB Ok
15 Correct 1 ms 364 KB Ok
16 Correct 1 ms 364 KB Ok
17 Correct 1 ms 364 KB Ok
18 Correct 4 ms 492 KB Ok
19 Correct 20 ms 1260 KB Ok
20 Correct 9 ms 748 KB Ok
21 Correct 20 ms 1344 KB Ok
22 Correct 12 ms 876 KB Ok
23 Correct 1 ms 364 KB Ok
24 Correct 1 ms 364 KB Ok
25 Correct 1 ms 364 KB Ok
26 Correct 1 ms 364 KB Ok
27 Correct 1 ms 364 KB Ok
28 Correct 1 ms 364 KB Ok
29 Correct 1 ms 364 KB Ok
30 Correct 1 ms 364 KB Ok
31 Correct 1 ms 364 KB Ok
32 Correct 1 ms 364 KB Ok
33 Correct 1 ms 364 KB Ok
34 Correct 3 ms 492 KB Ok
35 Correct 3 ms 492 KB Ok
36 Correct 3 ms 492 KB Ok
37 Correct 3 ms 492 KB Ok
38 Correct 3 ms 492 KB Ok
39 Correct 3 ms 492 KB Ok
40 Correct 2 ms 364 KB Ok
41 Correct 3 ms 492 KB Ok
42 Correct 3 ms 492 KB Ok
43 Correct 3 ms 492 KB Ok
44 Correct 7 ms 620 KB Ok
45 Correct 8 ms 620 KB Ok
46 Correct 8 ms 748 KB Ok
47 Correct 9 ms 876 KB Ok
48 Correct 7 ms 748 KB Ok
49 Correct 7 ms 620 KB Ok
50 Correct 8 ms 748 KB Ok
51 Correct 8 ms 620 KB Ok
52 Correct 8 ms 620 KB Ok
53 Correct 8 ms 748 KB Ok
54 Correct 121 ms 3308 KB Ok
55 Correct 142 ms 3564 KB Ok
56 Correct 154 ms 3692 KB Ok
57 Correct 97 ms 2796 KB Ok
58 Correct 118 ms 3180 KB Ok
59 Correct 104 ms 2924 KB Ok
60 Correct 96 ms 2796 KB Ok
61 Correct 95 ms 2928 KB Ok
62 Correct 123 ms 3416 KB Ok
63 Correct 107 ms 2924 KB Ok
64 Correct 135 ms 3564 KB Ok
65 Correct 120 ms 3304 KB Ok
66 Correct 112 ms 3052 KB Ok
67 Correct 108 ms 2924 KB Ok
68 Correct 109 ms 3052 KB Ok
69 Correct 284 ms 10732 KB Ok
70 Correct 295 ms 11372 KB Ok
71 Correct 264 ms 10968 KB Ok
72 Correct 285 ms 10732 KB Ok
73 Correct 266 ms 11040 KB Ok
74 Correct 260 ms 10604 KB Ok
75 Correct 288 ms 10348 KB Ok
76 Correct 298 ms 11116 KB Ok
77 Correct 255 ms 10348 KB Ok
78 Correct 287 ms 10860 KB Ok
79 Correct 283 ms 10988 KB Ok
80 Correct 276 ms 10988 KB Ok
81 Correct 298 ms 10988 KB Ok
82 Correct 271 ms 10988 KB Ok
83 Correct 258 ms 10388 KB Ok

Subtask #7
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Ok
2 Correct 1 ms 364 KB Ok
3 Correct 1 ms 364 KB Ok
4 Correct 1 ms 364 KB Ok
5 Correct 1 ms 364 KB Ok
6 Correct 1 ms 364 KB Ok
7 Correct 1 ms 364 KB Ok
8 Correct 1 ms 364 KB Ok
9 Correct 1 ms 364 KB Ok
10 Correct 1 ms 364 KB Ok
11 Correct 1 ms 364 KB Ok
12 Correct 1 ms 364 KB Ok
13 Correct 1 ms 364 KB Ok
14 Correct 1 ms 364 KB Ok
15 Correct 1 ms 364 KB Ok
16 Correct 1 ms 364 KB Ok
17 Correct 1 ms 364 KB Ok
18 Correct 4 ms 492 KB Ok
19 Correct 20 ms 1260 KB Ok
20 Correct 9 ms 748 KB Ok
21 Correct 20 ms 1344 KB Ok
22 Correct 12 ms 876 KB Ok
23 Correct 1 ms 364 KB Ok
24 Correct 1 ms 364 KB Ok
25 Correct 1 ms 364 KB Ok
26 Correct 1 ms 364 KB Ok
27 Correct 1 ms 364 KB Ok
28 Correct 1 ms 364 KB Ok
29 Correct 1 ms 364 KB Ok
30 Correct 1 ms 364 KB Ok
31 Correct 1 ms 364 KB Ok
32 Correct 1 ms 364 KB Ok
33 Correct 1 ms 364 KB Ok
34 Correct 1 ms 364 KB Ok
35 Correct 1 ms 364 KB Ok
36 Correct 1 ms 364 KB Ok
37 Correct 1 ms 364 KB Ok
38 Correct 1 ms 364 KB Ok
39 Correct 219 ms 10708 KB Ok
40 Correct 203 ms 11112 KB Ok
41 Correct 398 ms 14312 KB Ok
42 Correct 260 ms 12520 KB Ok
43 Correct 133 ms 6640 KB Ok
44 Correct 226 ms 12592 KB Ok
45 Correct 3 ms 492 KB Ok
46 Correct 3 ms 492 KB Ok
47 Correct 3 ms 492 KB Ok
48 Correct 3 ms 492 KB Ok
49 Correct 3 ms 492 KB Ok
50 Correct 3 ms 492 KB Ok
51 Correct 2 ms 364 KB Ok
52 Correct 3 ms 492 KB Ok
53 Correct 3 ms 492 KB Ok
54 Correct 3 ms 492 KB Ok
55 Correct 7 ms 620 KB Ok
56 Correct 8 ms 620 KB Ok
57 Correct 8 ms 748 KB Ok
58 Correct 9 ms 876 KB Ok
59 Correct 7 ms 748 KB Ok
60 Correct 7 ms 620 KB Ok
61 Correct 8 ms 748 KB Ok
62 Correct 8 ms 620 KB Ok
63 Correct 8 ms 620 KB Ok
64 Correct 8 ms 748 KB Ok
65 Correct 121 ms 3308 KB Ok
66 Correct 142 ms 3564 KB Ok
67 Correct 154 ms 3692 KB Ok
68 Correct 97 ms 2796 KB Ok
69 Correct 118 ms 3180 KB Ok
70 Correct 104 ms 2924 KB Ok
71 Correct 96 ms 2796 KB Ok
72 Correct 95 ms 2928 KB Ok
73 Correct 123 ms 3416 KB Ok
74 Correct 107 ms 2924 KB Ok
75 Correct 135 ms 3564 KB Ok
76 Correct 120 ms 3304 KB Ok
77 Correct 112 ms 3052 KB Ok
78 Correct 108 ms 2924 KB Ok
79 Correct 109 ms 3052 KB Ok
80 Correct 284 ms 10732 KB Ok
81 Correct 295 ms 11372 KB Ok
82 Correct 264 ms 10968 KB Ok
83 Correct 285 ms 10732 KB Ok
84 Correct 266 ms 11040 KB Ok
85 Correct 260 ms 10604 KB Ok
86 Correct 288 ms 10348 KB Ok
87 Correct 298 ms 11116 KB Ok
88 Correct 255 ms 10348 KB Ok
89 Correct 287 ms 10860 KB Ok
90 Correct 283 ms 10988 KB Ok
91 Correct 276 ms 10988 KB Ok
92 Correct 298 ms 10988 KB Ok
93 Correct 271 ms 10988 KB Ok
94 Correct 258 ms 10388 KB Ok
95 Correct 291 ms 7784 KB Ok
96 Correct 413 ms 10448 KB Ok
97 Correct 373 ms 9188 KB Ok
98 Correct 286 ms 8164 KB Ok
99 Correct 354 ms 8676 KB Ok
100 Correct 374 ms 8708 KB Ok
101 Correct 383 ms 9444 KB Ok
102 Correct 396 ms 9256 KB Ok
103 Correct 366 ms 9188 KB Ok
104 Correct 464 ms 10596 KB Ok
105 Correct 403 ms 10212 KB Ok
106 Correct 375 ms 9956 KB Ok
107 Correct 392 ms 9828 KB Ok
108 Correct 439 ms 10468 KB Ok
109 Correct 392 ms 10468 KB Ok
110 Correct 1322 ms 42724 KB Ok
111 Correct 1412 ms 45508 KB Ok
112 Correct 1318 ms 45284 KB Ok
113 Correct 1387 ms 44844 KB Ok
114 Correct 1366 ms 46820 KB Ok
115 Correct 1414 ms 44500 KB Ok
116 Correct 1398 ms 45840 KB Ok
117 Correct 1411 ms 44208 KB Ok
118 Correct 1268 ms 44372 KB Ok
119 Correct 1405 ms 44388 KB Ok
120 Correct 1291 ms 44084 KB Ok
121 Correct 1301 ms 42852 KB Ok
122 Correct 1361 ms 45072 KB Ok
123 Correct 1423 ms 45572 KB Ok
124 Correct 1376 ms 43036 KB Ok
125 Correct 1292 ms 27804 KB Ok