Submission #602628

#	Time	Username	Problem	Language	Result	Execution time	Memory
602628		WongChun1234	Olympiads (BOI19_olympiads)	C++14	44 / 100	1907 ms	262144 KiB

olympiads

#include<bits/stdc++.h>
using namespace std;
int n,m,k,a[7][550];
vector<int> srt,tmp;
void exh(int id,int curr,vector<int> &hv){
	if (curr==k){
		int ans=0;
		for (int i=1;i<=k;i++){
			int cmx=0;
			for (int j:hv) cmx=max(cmx,a[i][j]);
			ans+=cmx;
		}
		srt.push_back(ans);
		return;
	}
	for (int i=id+1;i<=n;i++){
		hv.push_back(i);
		exh(i,curr+1,hv);
		hv.pop_back();
	}
}
int main(){
	cin>>n>>k>>m;
	for (int i=1;i<=n;i++) for (int j=1;j<=k;j++) cin>>a[j][i];
	exh(0,0,tmp);
	nth_element(srt.begin(),srt.begin()+m-1,srt.end(),greater<int>());
	cout<<srt[m-1]<<"\n";
}

• Subtask 1: 13 / 13
• Subtask 2: 31 / 31
• Subtask 3: 0 / 24
• Subtask 4: 0 / 32