Submission #882124

#	Time	Username	Problem	Language	Result	Execution time	Memory
882124		presko	Red-blue table (IZhO19_stones)	C++14	27 / 100	2 ms	1372 KiB

stones

#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main()
{
    int t,n,m;
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>t;
    for(int q=0;q<t;q++)
    {
        cin>>n>>m;
        int res1=n>>1,res2=m>>1;
        if(!(n&1))res1--;
        if(!(m&1))res2--;
        if(n+res2>=m+res1)//build more rows
        {
            cout<<n+res2<<"\n";
            string row="";
            for(int i=0;i<m-res2;i++)row+="+";
            for(int i=m-res2;i<m;i++)row+="-";
            for(int i=0;i<n;i++)cout<<row<<"\n";
        }
        else //build more columns
        {
            cout<<m+res1<<"\n";
            string row1="",row2="";
            for(int i=0;i<m;i++){row1+="-";row2+="+";}
            for(int i=0;i<n-res1;i++)cout<<row1<<"\n";
            for(int i=n-res1;i<n;i++)cout<<row2<<"\n";
        }
    }
}

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