using System; using System.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; class Program { public void Solve() { int N = Reader.Int(), M = Reader.Int(); var table = Reader.IntTable(M); double maxEx = -1; int bestIndex = 0; for (int i = 0; i < M; i++) { int ex = 0; var V = table[i]; var min = new int[N, N + 1]; var max = new int[N, N + 1]; for (int L = 0; L < N; L++) { min[L, L + 1] = max[L, L + 1] = V[L]; for (int R = L + 2; R <= N; R++) { min[L, R] = Math.Min(V[R - 1], min[L, R - 1]); max[L, R] = Math.Max(V[R - 1], max[L, R - 1]); } } for (int a = 0; a < N; a++) for (int b = a + 1; b < N; b++) if (V[a] < V[b]) { int val = 0; // c > a < b if (a > 0 && max[0, a] > V[a]) val = Math.Max(max[0, a], V[b]); // a > c < b if (a + 1 < b && min[a + 1, b] < V[a]) CheckMax(ref val, V[b]); // a < c > b if (a + 1 < b && max[a + 1, b] > V[b]) CheckMax(ref val, max[a + 1, b]); // a < b > c if (b + 1 < N && min[b + 1, N] < V[b]) CheckMax(ref val, V[b]); ex += val; } else { // a > b int val = 0; // c < a > b if (a > 0 && min[0, a] < V[a]) val = V[a]; // a > c < b if (a + 1 < b && min[a + 1, b] < V[b]) CheckMax(ref val, V[a]); // a < c > b if (a + 1 < b && max[a + 1, b] > V[a]) CheckMax(ref val, max[a + 1, b]); // a > b < c if (b + 1 < N && max[b + 1, N] > V[b]) CheckMax(ref val, Math.Max(V[a], max[b + 1, N])); ex += val; } if (ex > maxEx) { maxEx = ex; bestIndex = i; } } Console.WriteLine(bestIndex); } static void CheckMax(ref int a, int b) { if (b > a) a = b; } } class Entry { static void Main() { new Program().Solve(); } } class Reader { private static TextReader reader = Console.In; private static readonly char[] separator = { ' ' }; private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; private static string[] A = new string[0]; private static int i; private static void Init() { A = new string[0]; } public static void Set(TextReader r) { reader = r; Init(); } public static void Set(string file) { reader = new StreamReader(file); Init(); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); } public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); } public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Next()).ToArray(); } public static string Line() { return reader.ReadLine().Trim(); } private static string[] Split(string s) { return s.Split(separator, op); } private static string Next() { CheckNext(); return A[i++]; } private static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }