#include <math.h>
#include <stdio.h>
#include <iostream>
#include <string.h>
#include <algorithm>
using namespace std;
const int N=1e4+10;
int a[N][N],maxx[N],minn[N],n,m;
bool f;
int main()
{
    cin>>n>>m;
	memset(minn,0x3f3f3f,N);
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			cin>>a[i][j];
			minn[i]=min(minn[i],a[i][j]);
		}
	}
	for(int j=1;j<=m;j++)
	{
		for(int i=1;i<=n;i++)
		{
			maxx[j]=max(maxx[j],a[i][j]);
		}
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=m;j++)
		{
			if(minn[i]==a[i][j] && maxx[j]==a[i][j])
			{
				cout<<i<<" "<<j<<' '<<a[i][j]<<endl;
				f=1;
			}
		}
	}
	if(!f)
	{
		cout<<"no find";
	}
    return 0;
}

暴力枚举 AC

#include<bits/stdc++.h>
using namespace std;
const int N = 105;
int n,m,a[N][N],maxi[N],mini[N];
 
int main(){
	cin>>n>>m;
	for (int i=1; i<=n; i++)
		for (int j=1; j<=m; j++) cin>>a[i][j];
	for (int i=1; i<=n; i++){	//每行最小值
		mini[i] = a[i][1];
		for (int j=2; j<=m; j++)
			if (mini[i]>a[i][j]) mini[i]=a[i][j];
	}
	for (int j=1; j<=m; j++){	//每列最大值
		maxi[j] = a[1][j];
		for (int i=2; i<=n; i++)
			if (maxi[j]<a[i][j]) maxi[j]=a[i][j];
	}
	int cnt=0;	//计数
	for (int i=1; i<=n; i++)
		for (int j=1; j<=m; j++)
			if (a[i][j]==mini[i] && a[i][j]==maxi[j]){
				cout<<i<<" "<<j<<" "<<a[i][j]<<endl;
				cnt++;
			}
	if (!cnt) cout<<"no find\n";
	return 0;
}