Submission #4897806

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include "bits/stdc++.h"
using namespace std;
#define rep(i, n) for(int i=0; i<(n); ++i)
#define FOR(i, m, n) for(int i=(m); i<(n); ++i)
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(),(x).end()
#define mp make_pair
#define pb push_back
#define Cout(x) cout << (x) << endl
#define Cout2(x, y) cout << (x) << " " << (y) << endl
#define dump(x) cerr << #x << " = " << (x) << endl;
typedef long long LL;
typedef vector<int> VI;
typedef vector<LL> VL;
typedef vector<string> VS;
typedef vector<bool> VB;
typedef vector<vector<int>> VVI;
typedef pair<int, int> PII;
const int inf = (int)1e9;
const double pi = acos(-1.0);

int main() {
	int a, b, c, d;
	cin >> a >> b >> c >> d;
	VVI e(c, VI(a));
	rep(i, c)rep(j, a)cin >> e[i][j];

	int ans;
	for (int p = 100; p >= 0; p--) {
		int cnt = 0;
		rep(i, a) {
			int g = 0;
			rep(j, c)g += e[j][i] >= p;
			cnt += g >= b;
		}
		if (cnt >= d) { ans = p; break; }
	}
	Cout(ans);
}

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