Submission #944275

#	Time	Username	Problem	Language	Result	Execution time	Memory
944275		dilanyan	Nice sequence (IZhO18_sequence)	C++17	15 / 100	10 ms	796 KiB

sequence

//-------------dilanyan------------\\ 
 
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
 
//------------------KarginDefines--------------------\\ 
 
#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define umap unordered_map
#define uset unordered_set
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);
 
 
//-------------------KarginConstants------------------\\ 
 
const ll mod = 1000000007;
const ll inf = 1e18;
 
//-------------------KarginCode------------------------\\ 
 
const int N = 300005;

void KarginSolve() {
    int n, m;
    cin >> n >> m;
    if (max(n, m) % min(n, m) == 0) {
        cout << max(n, m) - 1 << '\n';
        for (int i = 1;i < max(n, m);i++) {
            if (n >= m) cout << 1 << ' ';
            else cout << -1 << ' ';
        }
        cout << '\n';
    }
    else if (min(n, m) == 2) {
        if (max(n, m) % 2 == 0) {
            cout << max(n, m) - 1 << '\n';
            for (int i = 1;i < max(n, m);i++) {
                if (n == 2) cout << -1 << ' ';
                else cout << 1 << '\n';
            }
            cout << '\n';
        }
        else {
            int c = max(n, m) - 1;
            int k = c / 2;
            cout << c + 1 << '\n';
            k++;
            for (int i = 1;i <= c;i += 2) {
                if (n == 2) cout << k << ' ' << (-k - 1) << ' ';
                else cout << -k << ' ' << k + 1 << ' ';
            }
            if (n == 2) cout << k << '\n';
            else cout << -k << '\n';
        }
    }
}
 
int main() {
    //Usaco
    Kargin;
    int test = 1;
    cin >> test;
    while (test--) {
        KarginSolve();
    }
    return 0;
}

Compilation message (stderr)

sequence.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
sequence.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
sequence.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
sequence.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^

• Subtask 1: 6 / 6
• Subtask 2: 9 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 14
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24