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Submission #495778

# Submission time Handle Problem Language Result Execution time Memory
495778 2021-12-20T04:59:43 Z armashka Nice sequence (IZhO18_sequence) C++17
15 / 100
 8 ms 844 KB 
#include <bits/stdc++.h>
 
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
 
#define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
#define all(v) v.begin(),v.end()
#define pb push_back
#define sz size()
#define ft first
#define sd second
 
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef unsigned long long ull;
 
const int N = 3e5 + 5;
const ll M = 1e8;
const ll inf = 1e3;
const ll mod = 1e9;
const double Pi = acos(-1); 
 
ll binpow(ll x, ll ti) { ll res = 1;while (ti){if(ti & 1)res *= x;x *= x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll binmul(ll x, ll ti) { ll res = 0;while (ti){if(ti & 1)res += x;x += x;ti >>= 1; x %= mod; res %= mod;} return res;}
ll nok(ll a, ll b) { return (a*b)/__gcd(abs(a),abs(b)) * (a*b > 0 ? 1 : -1); }
bool odd(ll n) { return (n % 2 == 1); }
bool even(ll n) { return (n % 2 == 0); }            
 
ll n, m;
 
const void solve(/*Armashka*/) {
    cin >> n >> m;
    if (max(n, m) % min(n, m) == 0 || n % 2 == m % 2 || even(max(n, m))) {
        ll len = max(n, m) - 1;
        cout << len << "\n";
        for (int i = 1; i <= len; ++ i) {
            if (min(n, m) == n) cout << -i << " ";
            else cout << i << " ";
        }
        cout << "\n";
    } else {
        cout << max(n, m) << "\n";
        if (n % 2) {
            ll a = (n + 2) / 2, b = (n + 2 - a);
            for (int i = 1; i < max(n, m); i += 2) {
                cout << -a << " " << b << " ";
            }
            cout << -a << "\n";
        } else {
            ll a = (m + 2) / 2, b = (m + 2 - a);
            for (int i = 1; i < max(n, m); i += 2) {
                cout << a << " " << -b << " ";
            }
            cout << a << "\n";
        }
    }
}
 
signed main() {
    fast;
    //freopen("divide.in", "r", stdin);
    //freopen("divide.out", "w", stdout);
    int tt = 1;
    cin >> tt;
    while (tt --) {
        solve();
    }
}
 
/*
5 4 4
1 2
3 1
3 4
5 3
4 5 2 3
2 1 3 1
1 3 5
2 3 4 5
2 1 3 1
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 204 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 1 ms 276 KB Ok
7 Correct 0 ms 204 KB Ok
8 Correct 0 ms 204 KB Ok
9 Correct 0 ms 204 KB Ok
10 Correct 0 ms 204 KB Ok
11 Correct 1 ms 204 KB Ok
12 Correct 1 ms 204 KB Ok

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 0 ms 204 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 0 ms 204 KB Ok
5 Correct 1 ms 204 KB Ok
6 Correct 1 ms 332 KB Ok
7 Correct 8 ms 712 KB Ok
8 Correct 3 ms 460 KB Ok
9 Correct 7 ms 844 KB Ok
10 Correct 5 ms 588 KB Ok

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 0 ms 204 KB Ok
3 Correct 1 ms 204 KB Ok
4 Incorrect 0 ms 204 KB Jury has the better answer : jans = 9, pans = 7
5 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Jury has the better answer : jans = 5, pans = 3
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 204 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 1 ms 276 KB Ok
7 Correct 0 ms 204 KB Ok
8 Correct 0 ms 204 KB Ok
9 Correct 0 ms 204 KB Ok
10 Correct 0 ms 204 KB Ok
11 Correct 1 ms 204 KB Ok
12 Correct 1 ms 204 KB Ok
13 Correct 0 ms 204 KB Ok
14 Correct 0 ms 204 KB Ok
15 Correct 1 ms 204 KB Ok
16 Incorrect 0 ms 204 KB Jury has the better answer : jans = 9, pans = 7
17 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 204 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 1 ms 276 KB Ok
7 Correct 0 ms 204 KB Ok
8 Correct 0 ms 204 KB Ok
9 Correct 0 ms 204 KB Ok
10 Correct 0 ms 204 KB Ok
11 Correct 1 ms 204 KB Ok
12 Correct 1 ms 204 KB Ok
13 Correct 0 ms 204 KB Ok
14 Correct 0 ms 204 KB Ok
15 Correct 0 ms 204 KB Ok
16 Correct 0 ms 204 KB Ok
17 Correct 1 ms 204 KB Ok
18 Correct 1 ms 332 KB Ok
19 Correct 8 ms 712 KB Ok
20 Correct 3 ms 460 KB Ok
21 Correct 7 ms 844 KB Ok
22 Correct 5 ms 588 KB Ok
23 Correct 0 ms 204 KB Ok
24 Correct 0 ms 204 KB Ok
25 Correct 1 ms 204 KB Ok
26 Incorrect 0 ms 204 KB Jury has the better answer : jans = 9, pans = 7
27 Halted 0 ms 0 KB -

Subtask #7
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Ok
2 Correct 1 ms 204 KB Ok
3 Correct 0 ms 204 KB Ok
4 Correct 1 ms 204 KB Ok
5 Correct 0 ms 204 KB Ok
6 Correct 1 ms 276 KB Ok
7 Correct 0 ms 204 KB Ok
8 Correct 0 ms 204 KB Ok
9 Correct 0 ms 204 KB Ok
10 Correct 0 ms 204 KB Ok
11 Correct 1 ms 204 KB Ok
12 Correct 1 ms 204 KB Ok
13 Correct 0 ms 204 KB Ok
14 Correct 0 ms 204 KB Ok
15 Correct 0 ms 204 KB Ok
16 Correct 0 ms 204 KB Ok
17 Correct 1 ms 204 KB Ok
18 Correct 1 ms 332 KB Ok
19 Correct 8 ms 712 KB Ok
20 Correct 3 ms 460 KB Ok
21 Correct 7 ms 844 KB Ok
22 Correct 5 ms 588 KB Ok
23 Correct 0 ms 204 KB Ok
24 Correct 0 ms 204 KB Ok
25 Correct 1 ms 204 KB Ok
26 Incorrect 0 ms 204 KB Jury has the better answer : jans = 9, pans = 7
27 Halted 0 ms 0 KB -