Submission #1186607

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186607		kl0989e	Olympiads (BOI19_olympiads)	C++20	44 / 100	2101 ms	263212 KiB

olympiads

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define fi first
#define se second
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
#define pi pair<int, int>
#define pl pair<ll,ll>
#define all(x) (x).begin(),(x).end()

vi sco;

vi cur;
vector<vi> peop;

void dfs(int ind, int used) {
	if (used==cur.size()) {
		sco.pb(accumulate(all(cur),0));
		return;
	}
	if (ind==peop.size()) {
		return;
	}
	dfs(ind+1,used);
	vi t=cur;
	for (int i=0; i<cur.size(); i++) {
		cur[i]=max(cur[i],peop[ind][i]);
	}
	dfs(ind+1,used+1);
	cur=t;
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
	int n,k,c;
	cin >> n >> k >> c;
	cur.resize(k,0);
	peop.resize(n,vi(k,0));
	for (int i=0; i<n; i++) {
		for (int j=0; j<k; j++) {
			cin >> peop[i][j];
		}
	}
	dfs(0,0);
	sort(all(sco),[](int a, int b){return a>b;});
	cout << sco[c-1] << '\n';
	return 0;
}

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