#include using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,M; int A[1010]; ll ma=0; int mid=0; ll calc() { int x,y; ll pat=0; FOR(x,N) { set S; for(y=x+1;ymax(A[x],A[y])) pat += *S.rbegin(); else if(*S.begin()>N>>M; FOR(y,M) { FOR(x,N) cin>>A[x]; ll v=calc(); if(v>ma) ma=v,mid=y; } cout<