using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LeetCode.QuestionBank.Question0304
{
    /// <summary>
    /// Your NumMatrix object will be instantiated and called as such:
    /// NumMatrix obj = new NumMatrix(matrix);
    /// int param_1 = obj.SumRegion(row1, col1, row2, col2);
    /// </summary>
    public interface Interface0304
    {
        public int SumRegion(int row1, int col1, int row2, int col2);
    }
}
