Submission #949181

#	Time	Username	Problem	Language	Result	Execution time	Memory
949181		vjudge1	Best Place (NOI17_bestplace)	C++17	100 / 100	32 ms	2136 KiB

bestplace

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

#define int long long
#define pb push_back
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define sz(v) (int)v.size()

const int INF = 1e18;
const int mod = 998244353;
const int N = 1e5+5;

void solve(){
	int n; cin >> n;
	vector<int> x(n), y(n);
	for(int i = 0; i < n; i++){
		cin >> x[i] >> y[i];
	}
	
	int l = 0, r = 1e9;
	int xans = 0;
	while(l <= r){
		int m1 = l + (r - l) / 3;
		int m2 = r - (r - l) / 3;
		int res1 = 0, res2 = 0;
		for(int i = 0; i < n; i++){
			res1 += abs(m1 - x[i]);
			res2 += abs(m2 - x[i]);
		}
		if(res1 < res2){
			r = m2 - 1;
			xans = m1;
		}else{
			l = m1 + 1;
			xans = m2;
		}
	}
	
	l = 0;
	r = 1e9;
	int yans = 0;
	while(l <= r){
		int m1 = l + (r - l) / 3;
		int m2 = r - (r - l) / 3;
		int res1 = 0, res2 = 0;
		for(int i = 0; i < n; i++){
			res1 += abs(m1 - y[i]);
			res2 += abs(m2 - y[i]);
		}
		if(res1 < res2){
			r = m2 - 1;
			yans = m1;
		}else{
			l = m1 + 1;
			yans = m2;
		}
	}
	
	cout << xans << ' ' << yans;
}

main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int tt = 1;
    //cin >> tt;
    while (tt--) {
        solve();
    }
}

Compilation message (stderr)

bestplace.cpp:65:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   65 | main(){
      | ^~~~

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