Submission #992735

#	Time	Username	Problem	Language	Result	Execution time	Memory
992735		vivkostov	Red-blue table (IZhO19_stones)	C++14	0 / 100	1 ms	600 KiB

stones

#include<bits/stdc++.h>
#define endl "\n"
using namespace std;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int t,n,m;
char a1,a2,h;
string s[1005];
void resh()
{
    int br=0;
    for(int i=1; i<=(n-1)/2; i++)
    {
        for(int j=1; j<=m/2+1; j++)
        {
            s[i][j]=a1;
        }
        for(int j=m/2+2; j<=m; j++)
        {
            s[i][j]=a2;
        }
        br++;
    }
    for(int i=(n-1)/2+1; i<=n; i++)
    {
        for(int j=1; j<=(m-1)/2; j++)
        {
            s[i][j]=a2;
        }
        for(int j=(m-1)/2+1; j<=m; j++)
        {
            s[i][j]=a1;
        }
        br++;
    }
    cout<<br<<endl;
    if(h)
    {
        for(int i=1; i<=m; i++)
        {
            for(int j=1; j<=n; j++)
            {
                cout<<s[j][i]<<" ";
            }
            cout<<endl;
        }
        return;
    }
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=m; j++)
        {
            cout<<s[i][j]<<" ";
        }
        cout<<endl;
    }
}
void read()
{
    cin>>t;
    for(int z=1; z<=t; z++)
    {
        cin>>n>>m;
        if(n<m)
        {
            swap(n,m);
            a1='-';
            a2='+';
            h=1;
        }
        else
        {
            a1='+';
            a2='-';
        }
        resh();
    }
}
int main()
{
    speed();
    read();
    return 0;
}

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