Submission #868056

#	Time	Username	Problem	Language	Result	Execution time	Memory
868056		alexdd	Red-blue table (IZhO19_stones)	C++17	27 / 100	18 ms	1372 KiB

stones

#include<bits/stdc++.h>
using namespace std;
int n,m;
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    int t;
    cin>>t;
    while(t--)
    {
        cin>>n>>m;
        if(m+(n-1)/2 > n+(m-1)/2)
        {
            cout<<m+(n-1)/2<<"\n";
            for(int i=1;i<=n;i++)
            {
                for(int j=1;j<=m;j++)
                {
                    if(i<=n-(n-1)/2)
                        cout<<'-';
                    else
                        cout<<'+';
                }
                cout<<"\n";
            }
        }
        else
        {
            cout<<n+(m-1)/2<<"\n";
            for(int i=1;i<=n;i++)
            {
                for(int j=1;j<=m;j++)
                {
                    if(j<=m-(m-1)/2)
                        cout<<'+';
                    else
                        cout<<'-';
                }
                cout<<"\n";
            }
        }
    }
    return 0;
}

• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 0 / 16
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 31