oj.uz

Submission #338108

# Submission time Handle Problem Language Result Execution time Memory
338108 2020-12-22T13:58:07 Z BeanZ Nice sequence (IZhO18_sequence) C++14
15 / 100
 65 ms 25196 KB 
// I_Love_LPL
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
const int N = 1e6 + 50;
long long mod = 1e9 + 7;
const int lim = 700;
const int lg = 18;
const int base = 311;
const long double eps = 1e-6;
ll n, m;
vector<ll> node[N];
vector<ll> topo;
ll vis[N], id[N];
void dfs(ll u){
    vis[u] = 1;
    for (auto j : node[u]){
        if (vis[j]) continue;
        dfs(j);
    }
    topo.push_back(u);
}
bool chk(ll mid){
    for (int i = 0; i <= mid; i++) node[i].clear(), vis[i] = 0;
    for (int i = 0; i <= mid; i++){
        if (i >= n) node[i - n].push_back(i);
        if (i >= m) node[i].push_back(i - m);
    }
    topo.clear();
    for (int i = 0; i <= mid; i++){
        if (vis[i]) continue;
        dfs(i);
    }
    for (int i = 0; i < topo.size(); i++){
        id[topo[i]] = i;
    }
    for (int i = 0; i <= mid; i++){
        for (auto j : node[i]){
            if (id[i] < id[j]) return false;
        }
    }
    return true;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    if (fopen("tests.inp", "r")){
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
    }
    ll t;
    cin >> t;
    while (t--){
        cin >> n >> m;
        ll l = 1, h = max(n, m);
        while (l <= h){
            ll mid = (l + h) >> 1;
            if (chk(mid)) l = mid + 1;
            else h = mid - 1;
        }
        cout << h << endl;
        chk(h);
        for (int i = 1; i <= h; i++){
            cout << id[i] - id[i - 1] << " ";
        }
        cout << endl;
    }
}
/*
Ans:

Out:
*/

Compilation message

sequence.cpp: In function 'bool chk(long long int)':
sequence.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for (int i = 0; i < topo.size(); i++){
      |                     ~~^~~~~~~~~~~~~
sequence.cpp: In function 'int main()':
sequence.cpp:49:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   49 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sequence.cpp:50:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   50 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Ok
2 Correct 16 ms 23900 KB Ok
3 Correct 16 ms 23788 KB Ok
4 Correct 17 ms 23916 KB Ok
5 Correct 16 ms 23788 KB Ok
6 Correct 18 ms 23788 KB Ok
7 Correct 19 ms 23788 KB Ok
8 Correct 17 ms 23936 KB Ok
9 Correct 18 ms 23788 KB Ok
10 Correct 17 ms 23788 KB Ok
11 Correct 17 ms 23788 KB Ok
12 Correct 17 ms 23808 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Ok
2 Correct 17 ms 23788 KB Ok
3 Correct 17 ms 23916 KB Ok
4 Correct 19 ms 23788 KB Ok
5 Correct 18 ms 23788 KB Ok
6 Correct 25 ms 24044 KB Ok
7 Correct 50 ms 24940 KB Ok
8 Correct 31 ms 24300 KB Ok
9 Correct 65 ms 25196 KB Ok
10 Correct 39 ms 24556 KB Ok

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Ok
2 Correct 16 ms 23916 KB Ok
3 Correct 16 ms 23788 KB Ok
4 Incorrect 17 ms 23788 KB Jury has the better answer : jans = 9, pans = 8
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 23788 KB Jury has the better answer : jans = 5, pans = 4
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Ok
2 Correct 16 ms 23900 KB Ok
3 Correct 16 ms 23788 KB Ok
4 Correct 17 ms 23916 KB Ok
5 Correct 16 ms 23788 KB Ok
6 Correct 18 ms 23788 KB Ok
7 Correct 19 ms 23788 KB Ok
8 Correct 17 ms 23936 KB Ok
9 Correct 18 ms 23788 KB Ok
10 Correct 17 ms 23788 KB Ok
11 Correct 17 ms 23788 KB Ok
12 Correct 17 ms 23808 KB Ok
13 Correct 16 ms 23788 KB Ok
14 Correct 16 ms 23916 KB Ok
15 Correct 16 ms 23788 KB Ok
16 Incorrect 17 ms 23788 KB Jury has the better answer : jans = 9, pans = 8
17 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Ok
2 Correct 16 ms 23900 KB Ok
3 Correct 16 ms 23788 KB Ok
4 Correct 17 ms 23916 KB Ok
5 Correct 16 ms 23788 KB Ok
6 Correct 18 ms 23788 KB Ok
7 Correct 19 ms 23788 KB Ok
8 Correct 17 ms 23936 KB Ok
9 Correct 18 ms 23788 KB Ok
10 Correct 17 ms 23788 KB Ok
11 Correct 17 ms 23788 KB Ok
12 Correct 17 ms 23808 KB Ok
13 Correct 17 ms 23788 KB Ok
14 Correct 17 ms 23788 KB Ok
15 Correct 17 ms 23916 KB Ok
16 Correct 19 ms 23788 KB Ok
17 Correct 18 ms 23788 KB Ok
18 Correct 25 ms 24044 KB Ok
19 Correct 50 ms 24940 KB Ok
20 Correct 31 ms 24300 KB Ok
21 Correct 65 ms 25196 KB Ok
22 Correct 39 ms 24556 KB Ok
23 Correct 16 ms 23788 KB Ok
24 Correct 16 ms 23916 KB Ok
25 Correct 16 ms 23788 KB Ok
26 Incorrect 17 ms 23788 KB Jury has the better answer : jans = 9, pans = 8
27 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Ok
2 Correct 16 ms 23900 KB Ok
3 Correct 16 ms 23788 KB Ok
4 Correct 17 ms 23916 KB Ok
5 Correct 16 ms 23788 KB Ok
6 Correct 18 ms 23788 KB Ok
7 Correct 19 ms 23788 KB Ok
8 Correct 17 ms 23936 KB Ok
9 Correct 18 ms 23788 KB Ok
10 Correct 17 ms 23788 KB Ok
11 Correct 17 ms 23788 KB Ok
12 Correct 17 ms 23808 KB Ok
13 Correct 17 ms 23788 KB Ok
14 Correct 17 ms 23788 KB Ok
15 Correct 17 ms 23916 KB Ok
16 Correct 19 ms 23788 KB Ok
17 Correct 18 ms 23788 KB Ok
18 Correct 25 ms 24044 KB Ok
19 Correct 50 ms 24940 KB Ok
20 Correct 31 ms 24300 KB Ok
21 Correct 65 ms 25196 KB Ok
22 Correct 39 ms 24556 KB Ok
23 Correct 16 ms 23788 KB Ok
24 Correct 16 ms 23916 KB Ok
25 Correct 16 ms 23788 KB Ok
26 Incorrect 17 ms 23788 KB Jury has the better answer : jans = 9, pans = 8
27 Halted 0 ms 0 KB -