Submission #1127725

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127725		boris_7	Nice sequence (IZhO18_sequence)	C++20	15 / 100	6 ms	1020 KiB

sequence

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

int mx = 1e8;

void solve(){
    int n,m;
    cin>>n>>m;
    if(max(n,m)%min(n,m)==0){
        cout<<max(n,m)-1<<endl;
        if(n>m){
            for(int i = 1;i<n;i++) cout<<1<<" ";
            cout<<endl;
        }
        else{
            for(int i = 1;i<m;i++) cout<<-1<<" ";
            cout<<endl;
        }
    }
    else if(min(n,m)==2){
        cout<<max(n,m)<<endl;
        if(n>m){
            for(int i = 1;i<=n;i++) {
                if(i%2==0) cout<<mx<<" ";
                else cout<<-mx+1<<" ";
            }
        }
        else{
            for(int i = 1;i<=m;i++) {
                if(i%2==0) cout<<-mx<<" ";
                else cout<<mx-1<<" ";
            }
        }
    }
    else{
        if(max(n,m)==8) {
            cout<<m<<endl;
            for(int i = 1;i<=m;i++){
                cout<<1<<" ";
            }
            cout<<endl;
            return;
        }
        cout<<max(n,m)<<endl;
        if(n-m==1){
            int sum = 4*(n-2);
            cout<<1-sum<<" ";
            for(int i = 2;i<n;i++){
                cout<<4<<" ";
            }
            cout<<1-sum<<endl;
        }
        else if(m-n==1){
            int sum = 4*(m-2);
            cout<<sum-1<<" ";
            for(int i = 2;i<m;i++){
                cout<<-4<<" ";
            }
            cout<<sum-1<<endl;
        }
        else if(n-m==2){
            for(int i = 0;i<n;i++){
                if(i%m==0) cout<<-(m-1)*100+1<<" ";
                else cout<<100<<" ";
            }
            cout<<endl;
        }
        else{
            for(int i = 0;i<m;i++){
                if(i%n==0) cout<<(n-1)*100-1<<" ";
                else cout<<-100<<" ";
            }
            cout<<endl;
        }
    }
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    int t;cin>>t;while(t--)
        solve();
}

• 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