80分求助呜呜呜呜

// ConsoleApplication1.cpp : Defines the entry point for the console application.

//
#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<cstring>
using namespace std;
int pos[4][2] = { { 0, 1 }, { 0, -1 }, { 1, 0 }, { -1, 0 } };
struct po{
    int x;
    int y;
    int height;
};
bool cmp(po p1,po p2){
    return p1.height>p2.height;
}
po p[10010];
int h[101][101];
int s[101][101];
int main() {
    int m, n;
    cin >> m >> n;
    for (int i = 0; i < m; i++)
        for (int j = 0; j < n; j++) {
           p[i*m+j].x = i;
           p[i*m+j].y = j;
           cin>>p[i*m+j].height ;
           h[i][j] = p[i*m+j].height ;
           s[i][j] = 1;
    }
    sort(p,p+m*n,cmp);
    for(int i = 0; i < m*n;i++)
        for(int k = 0; k < 4;k++){
        int xx = p[i].x + pos[k][0];
        int yy = p[i].y + pos[k][1];
        if (xx >= 0 && xx < m&&yy>=0 && yy < n && h[xx][yy] < p[i].height)
            s[xx][yy] =max(s[p[i].x][p[i].y]+1,s[xx][yy]);
    }
    int ma = 1,mi,mj;
    cout<<endl<<endl;
    for (int i = 0; i < m; i++){
         for(int j = 0; j < n; j++)
        {ma = max(ma,s[i][j]);
        mi = i;
        mj = j;
        cout<<s[i][j]<<" ";
        }
        cout<<endl;
    }
   // cout<<ma<<" "<<mi<<" "<<mj<<endl;
    return 0;
}