2025-09-12 14:50:25 -03:00

141 lines
2.5 KiB
C++

/* Problem URL: https://codeforces.com/gym/105446/problem/F */
#include <bits/stdc++.h>
using namespace std;
#define V vector
#define rmin(a, b) a = min(a, b)
#define rmax(a, b) a = max(a, b)
#define rep(i, lim) for (int i = 0; i < (lim); i++)
#define nrep(i, s, lim) for (int i = s; i < (lim); i++)
#define repv(i, v) for (auto &i : (v))
#define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; }
#define sortv(v) sort(v.begin(), v.end())
#define all(v) (v).begin(), (v).end()
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vvvvi = vector<vvvi>;
using ll = long long;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vvvvl = vector<vvvl>;
template<class v>
auto operator<<(ostream &os, const vector<v> &vec)->ostream& {
os << vec[0];
for (size_t i = 1; i < vec.size(); i++) {
os << ' ' << vec[i];
}
os << '\n';
return os;
}
template<class v>
auto operator>>(istream &is, vector<v> &vec)->istream& {
for (auto &i : vec) {
is >> i;
}
return is;
}
template<class v>
auto operator<<(ostream &os, const vector<vector<v>> &vec)->ostream& {
for (auto &i : vec) {
os << i[0];
for (size_t j = 1; j < i.size(); j++) {
os << ' ' << i[j];
}
os << '\n';
}
return os;
}
template<class v>
auto operator>>(istream &is, vector<vector<v>> &vec)->istream& {
for (auto &i : vec) {
for (auto &j : i) {
is >> j;
}
}
return is;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, l, k;
cin >> n >> l >> k;
V<bool> vis(n);
V<string> rev(n);
vvi s(n, vi(l));
rep(i, n) {
string fds;
cin >> fds;
rev[i] = fds;
rep(j, l) {
cin >> s[i][j];
}
}
auto diff = [&](int i, int j) {
int ans = 0;
rep(f, l) {
ans += abs(s[i][f] - s[j][f]);
}
return ans;
};
vi dis(n, INT32_MAX);
vi choices;
int now = 0;
int maximal = 0;
nrep(i, 1, n) {
int d = diff(0, i);
if (d > maximal) {
maximal = d;
now = i;
}
}
choices.push_back(now);
nrep(i, 1, k) {
now = 0;
maximal = 0;
rep(j, n) {
rmin(dis[j], diff(choices.back(), j));
if (dis[j] > maximal) {
maximal = dis[j];
now = j;
}
}
choices.push_back(now);
}
repv(i, choices) {
cout << rev[i] << '\n';
}
}