#include<bits/stdc++.h> using namespace std; int n, m, k; int a[1005][1005]; bool r[1005], c[1005]; // 分别记录行和列是否被轰炸

struct node{ int val,x,y; }e[1000005];

bool cmp(node a,node b) { return a.val > b.val; } int main() { cin >> n >> m >> k; int cnt = 0; for(int i = 1 ; i <= n ; i++) { for(int j = 1 ; j <= m ; j++) { cin >> a[i][j]; e[++cnt] = {a[i][j],i,j}; } } queue<pair<int,int> >q; sort(e+1,e+1+cnt,cmp); //cout<<cnt<<endl; for(int i = 1 ; i <= cnt ; i ++) { q.push({e[i].x,e[i].y}); } int sum = 0; while(!q.empty()) { int u = q.front().first; int v = q.front().second; q.pop(); if(r[u] || c[v]) continue; if(sum == k) break; sum++;

	r[u] = 1;
	c[v] = 1;
}
for(int i = 1 ; i <= n ; i++)
{
	if(r[i]) continue;
	for(int j = 1 ; j <= m ; j++ )
	{
		if(!c[j])
		{
			cout<<a[i][j]<<" ";
		}
	}
	cout<<endl;
}

return 0;

}

#include<bits/stdc++.h> using namespace std; int main(){ float t,n;cin>>t>>n; printf("%.3f",t/n); cout<<endl<<2*n; return 0; }

include<bits/stdc++.h> using namespace std; int main(){ float t,n;cin>>t>>n; printf("%.3f",t/n); cout<<endl<<2*n; return 0; } 忘加井号了懒得加

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#include<bits/stdc++.h> using namespace std; int main(){ float t,n;cin>>t>>n; printf("%.3f",t/n); cout<<endl<<2*n; return 0; }

#include<bits/stdc++.h>
using namespace std;
int main(){
	float t,n;cin>>t>>n;
	printf("%.3f",t/n);
	cout<<endl<<2*n;
	return 0;
}

#include<bits/stdc++.h> using namespace std; int main(){ float t,n;cin>>t>>n; printf("%.3f",t/n); cout<<endl<<2*n; return 0; }