Submission #798442

#	Time	Username	Problem	Language	Result	Execution time	Memory
798442		Joshi503	Best Place (NOI17_bestplace)	C++17	3 / 100	193 ms	2504 KiB

bestplace

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

using ll = long long;
#define int ll
using db = long double;
using str = string;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using pd = pair<db, db>;
#define f first
#define s second

#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>;
tcT, size_t SZ > using AR = array<T, SZ>;
using vi = V<int>;
using vb = V<bool>;
using vl = V<ll>;
using vd = V<db>;
using vs = V<str>;
using vpi = V<pi>;
using vpl = V<pl>;

#define sz(x) int((x).size())
#define bg(x) begin(x)
#define all(x) bg(x), end(x)
#define rall(x) x.rbegin(), x.rend() 
#define sor(x) sort(all(x)) 
#define pb push_back
#define yes cout << "Y" << "e" << "s\n";
#define no cout << "N" << "o\n";

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = ((b)-1); i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define rep(a) F0R(_,a)
#define each(a,x) for (auto& a: x)

const int MOD = 1e9+7;
const int MOD98 = 998244353;
const int MX = 1e9;
// const int INF = 1e18;
const db PI = acos((db)-1);
// const int dx[] = { 1,0,-1,0 };
// const int dy[] = { 0,1,0,-1 };
mt19937 rng((uint32_t)chrono::steady_clock::now().time_since_epoch().count());
template<class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
void setIO(string name = "") {
    ios_base::sync_with_stdio(0); cin.tie(0);
    if ((ll)(name.size())) {
        freopen((name + ".in").c_str(), "r", stdin);
        freopen((name + ".out").c_str(), "w", stdout);
    }
}
template<class T> bool ckmin(T& a, const T& b) {
    return b < a ? a = b, 1 : 0; 
} 
template<class T> bool ckmax(T& a, const T& b) {
    return a < b ? a = b, 1 : 0; 
}
void _print(char i) { cerr << i; }
void _print(string i) { cerr << i; }
void _print(float i) { cerr << i; }
void _print(int i) { cerr << i; }
void _print(double i) { cerr << i; }
void _print() { cerr << "\n"; };
template<typename x, typename y> void _print(pair<x, y>& t) { cerr << "{";_print(t.first);cerr << ", ";_print(t.second);cerr << "},"; }
template<typename x> void _print(x& t) { cerr << "{"; for (int i = 0;i < (int)t.size();i++) { _print(t[i]); if (i < (int)t.size() - 1) cerr << ", "; } cerr << "}"; }
template<typename x, typename... y> void _print(x a, y... b) { _print(a);if (sizeof...(b)) cerr << ", ";_print(b...); }
#define dbg(x...) cerr<<"["<<#x<<"] = [";_print(x);cerr<<"]\n";
int test;

/*


*/

void solve(){

    int n; cin >> n;

    int res_x = 0, res_y = 0;

    vpi c;

    F0R(i, n){
        int x, y; cin >> x >> y;
        res_x += x;
        res_y += y;
        c.pb({x, y});
    }    

    res_x /= n;
    res_y /= n;

    int ans = 1e18, ans_x, ans_y;

    for(int i = max(0LL, res_x - 20); i < res_x + 20; i++){
        for(int j = max(0LL, res_y - 20); j < res_y + 20; j++){
            int ans_mini = 0;
            F0R(k, n){
                ans_mini += abs(i - c[k].f) + abs(j - c[k].s);
            }
            if(ans > ans_mini){
                ans_x = i, ans_y = j;
                ans = ans_mini;
            }
        }
    }

    cout << ans_x << " " << ans_y << "\n";

}

signed main() {
    setIO("");
    int T = 1;
    // cin >> T;
    for (test = 1; test <= T; test++) {
        // cout << "Case #" << test << ": " << a.f << " " << a.s << "\n";
        solve();
    }
}

Compilation message (stderr)

bestplace.cpp: In function 'void setIO(std::string)':
bestplace.cpp:54:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen((name + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bestplace.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 20
• Subtask 3: 0 / 28
• Subtask 4: 0 / 13
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19