oj.uz

Submission #334962

# Submission time Handle Problem Language Result Execution time Memory
334962 2020-12-10T13:09:03 Z beksultan04 Nice sequence (IZhO18_sequence) C++14
100 / 100
 670 ms 49492 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define pb push_back
#define endi puts("");
const int N = 5e5+12,INF=1e9+7;
int sz,vis[N],pref[N],m,n;
vector <int> v;
void dfs(int x){
    vis[x]=1;
    if (x-m >= 0 && !vis[x-m]){
        dfs(x-m);
    }
    if (x+n<=sz && !vis[x+n]){
        dfs(x+n);
    }
    v.pb(x);
}

bool is(int x){
    sz = x;
    v.clear();
    int i;
    for (i=0;i<=sz;++i)
        vis[i]=0;
    for (i=0;i<=sz;++i)
        if (!vis[i])dfs(i);
    for (i=0;i<v.size();++i){
        pref[v[i]]=i;
    }
    for (i=0;i<=sz;++i){
        if (i-m >= 0 && pref[i] <= pref[i-m])ret 0;
        if (i+n <= sz && pref[i] <= pref[i+n])ret 0;
    }
    ret 1;
}

main(){
    ios_base::sync_with_stdio;
    int t;
    cin>>t;
    while (t--){
        int i,j;
        cin>>n>>m;
        int l=n+m-1-__gcd(n,m);
        is(l);
        cout <<l<<"\n";
        for (i=1;i<=l;++i){
            cout <<pref[i]-pref[i-1]<<" ";
        }
        endi
    }
}

Compilation message

sequence.cpp: In function 'bool is(long long int)':
sequence.cpp:37:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for (i=0;i<v.size();++i){
      |              ~^~~~~~~~~
sequence.cpp: At global scope:
sequence.cpp:47:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main(){
      |      ^
sequence.cpp: In function 'int main()':
sequence.cpp:48:15: warning: statement is a reference, not call, to function 'std::ios_base::sync_with_stdio' [-Waddress]
   48 |     ios_base::sync_with_stdio;
      |     ~~~~~~~~~~^~~~~~~~~~~~~~~
sequence.cpp:48:15: warning: statement has no effect [-Wunused-value]
sequence.cpp:52:15: warning: unused variable 'j' [-Wunused-variable]
   52 |         int i,j;
      |               ^

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 3 ms 492 KB Ok
7 Correct 14 ms 1260 KB Ok
8 Correct 7 ms 748 KB Ok
9 Correct 15 ms 1260 KB Ok
10 Correct 9 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 0 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 114 ms 9692 KB Ok
7 Correct 98 ms 13404 KB Ok
8 Correct 190 ms 16348 KB Ok
9 Correct 146 ms 14300 KB Ok
10 Correct 74 ms 7264 KB Ok
11 Correct 127 ms 11612 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 0 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 2 ms 492 KB Ok
28 Correct 2 ms 492 KB Ok
29 Correct 2 ms 364 KB Ok
30 Correct 2 ms 492 KB Ok
31 Correct 3 ms 492 KB Ok
32 Correct 2 ms 492 KB Ok
33 Correct 2 ms 492 KB Ok
34 Correct 6 ms 620 KB Ok
35 Correct 5 ms 748 KB Ok
36 Correct 6 ms 620 KB Ok
37 Correct 5 ms 748 KB Ok
38 Correct 5 ms 748 KB Ok
39 Correct 5 ms 620 KB Ok
40 Correct 6 ms 748 KB Ok
41 Correct 5 ms 620 KB Ok
42 Correct 6 ms 620 KB Ok
43 Correct 6 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 3 ms 492 KB Ok
19 Correct 14 ms 1260 KB Ok
20 Correct 7 ms 748 KB Ok
21 Correct 15 ms 1260 KB Ok
22 Correct 9 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 0 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 2 ms 492 KB Ok
38 Correct 2 ms 492 KB Ok
39 Correct 2 ms 364 KB Ok
40 Correct 2 ms 492 KB Ok
41 Correct 3 ms 492 KB Ok
42 Correct 2 ms 492 KB Ok
43 Correct 2 ms 492 KB Ok
44 Correct 6 ms 620 KB Ok
45 Correct 5 ms 748 KB Ok
46 Correct 6 ms 620 KB Ok
47 Correct 5 ms 748 KB Ok
48 Correct 5 ms 748 KB Ok
49 Correct 5 ms 620 KB Ok
50 Correct 6 ms 748 KB Ok
51 Correct 5 ms 620 KB Ok
52 Correct 6 ms 620 KB Ok
53 Correct 6 ms 748 KB Ok
54 Correct 85 ms 4448 KB Ok
55 Correct 96 ms 4576 KB Ok
56 Correct 98 ms 4832 KB Ok
57 Correct 68 ms 3808 KB Ok
58 Correct 79 ms 4064 KB Ok
59 Correct 76 ms 3808 KB Ok
60 Correct 65 ms 3552 KB Ok
61 Correct 68 ms 4028 KB Ok
62 Correct 90 ms 4448 KB Ok
63 Correct 74 ms 3936 KB Ok
64 Correct 95 ms 4576 KB Ok
65 Correct 83 ms 4320 KB Ok
66 Correct 78 ms 4064 KB Ok
67 Correct 70 ms 3936 KB Ok
68 Correct 76 ms 4320 KB Ok
69 Correct 153 ms 11744 KB Ok
70 Correct 158 ms 12408 KB Ok
71 Correct 156 ms 11872 KB Ok
72 Correct 155 ms 11744 KB Ok
73 Correct 156 ms 11484 KB Ok
74 Correct 154 ms 11104 KB Ok
75 Correct 151 ms 11104 KB Ok
76 Correct 158 ms 12000 KB Ok
77 Correct 152 ms 10720 KB Ok
78 Correct 154 ms 11232 KB Ok
79 Correct 155 ms 11744 KB Ok
80 Correct 155 ms 11872 KB Ok
81 Correct 157 ms 11360 KB Ok
82 Correct 158 ms 11616 KB Ok
83 Correct 158 ms 11232 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 3 ms 492 KB Ok
19 Correct 14 ms 1260 KB Ok
20 Correct 7 ms 748 KB Ok
21 Correct 15 ms 1260 KB Ok
22 Correct 9 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 0 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 114 ms 9692 KB Ok
40 Correct 98 ms 13404 KB Ok
41 Correct 190 ms 16348 KB Ok
42 Correct 146 ms 14300 KB Ok
43 Correct 74 ms 7264 KB Ok
44 Correct 127 ms 11612 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 2 ms 492 KB Ok
49 Correct 2 ms 492 KB Ok
50 Correct 2 ms 364 KB Ok
51 Correct 2 ms 492 KB Ok
52 Correct 3 ms 492 KB Ok
53 Correct 2 ms 492 KB Ok
54 Correct 2 ms 492 KB Ok
55 Correct 6 ms 620 KB Ok
56 Correct 5 ms 748 KB Ok
57 Correct 6 ms 620 KB Ok
58 Correct 5 ms 748 KB Ok
59 Correct 5 ms 748 KB Ok
60 Correct 5 ms 620 KB Ok
61 Correct 6 ms 748 KB Ok
62 Correct 5 ms 620 KB Ok
63 Correct 6 ms 620 KB Ok
64 Correct 6 ms 748 KB Ok
65 Correct 85 ms 4448 KB Ok
66 Correct 96 ms 4576 KB Ok
67 Correct 98 ms 4832 KB Ok
68 Correct 68 ms 3808 KB Ok
69 Correct 79 ms 4064 KB Ok
70 Correct 76 ms 3808 KB Ok
71 Correct 65 ms 3552 KB Ok
72 Correct 68 ms 4028 KB Ok
73 Correct 90 ms 4448 KB Ok
74 Correct 74 ms 3936 KB Ok
75 Correct 95 ms 4576 KB Ok
76 Correct 83 ms 4320 KB Ok
77 Correct 78 ms 4064 KB Ok
78 Correct 70 ms 3936 KB Ok
79 Correct 76 ms 4320 KB Ok
80 Correct 153 ms 11744 KB Ok
81 Correct 158 ms 12408 KB Ok
82 Correct 156 ms 11872 KB Ok
83 Correct 155 ms 11744 KB Ok
84 Correct 156 ms 11484 KB Ok
85 Correct 154 ms 11104 KB Ok
86 Correct 151 ms 11104 KB Ok
87 Correct 158 ms 12000 KB Ok
88 Correct 152 ms 10720 KB Ok
89 Correct 154 ms 11232 KB Ok
90 Correct 155 ms 11744 KB Ok
91 Correct 155 ms 11872 KB Ok
92 Correct 157 ms 11360 KB Ok
93 Correct 158 ms 11616 KB Ok
94 Correct 158 ms 11232 KB Ok
95 Correct 198 ms 10496 KB Ok
96 Correct 286 ms 14420 KB Ok
97 Correct 277 ms 12372 KB Ok
98 Correct 211 ms 11732 KB Ok
99 Correct 247 ms 11732 KB Ok
100 Correct 249 ms 11732 KB Ok
101 Correct 253 ms 13396 KB Ok
102 Correct 253 ms 12372 KB Ok
103 Correct 244 ms 12628 KB Ok
104 Correct 297 ms 14292 KB Ok
105 Correct 282 ms 14292 KB Ok
106 Correct 245 ms 14420 KB Ok
107 Correct 267 ms 13652 KB Ok
108 Correct 293 ms 14396 KB Ok
109 Correct 270 ms 15060 KB Ok
110 Correct 639 ms 46420 KB Ok
111 Correct 662 ms 48900 KB Ok
112 Correct 654 ms 46292 KB Ok
113 Correct 656 ms 48980 KB Ok
114 Correct 666 ms 49492 KB Ok
115 Correct 653 ms 46804 KB Ok
116 Correct 668 ms 49108 KB Ok
117 Correct 649 ms 48212 KB Ok
118 Correct 650 ms 48696 KB Ok
119 Correct 652 ms 47828 KB Ok
120 Correct 646 ms 47700 KB Ok
121 Correct 650 ms 47316 KB Ok
122 Correct 660 ms 47700 KB Ok
123 Correct 670 ms 49236 KB Ok
124 Correct 639 ms 44176 KB Ok
125 Correct 520 ms 32468 KB Ok