Submission #310406

#	Time	Username	Problem	Language	Result	Execution time	Memory
310406		aZvezda	Towns (IOI15_towns)	C++14	25 / 100	23 ms	1024 KiB

towns

#include "towns.h"

#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
#define endl "\n"
typedef long long ll;
template<class T, class T2> inline ostream &operator <<(ostream &out, const pair<T, T2> &x) { out << x.first << " " << x.second; return out;}
template<class T, class T2> inline istream &operator >>(istream &in, pair<T, T2> &x) { in >> x.first >> x.second; return in;}
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const ll mod = 1e9 + 7;
#define out(x) "{" << (#x) << ": " << x << "} "

const int MAX_N = 115;
int dist0[MAX_N], dist1[MAX_N];
pair<vector<int>, int> comp[MAX_N];

int hubDistance(int N, int sub) {
    int first = 0;
    for(int i = 1; i < N; i ++) {
        dist0[i] = getDistance(0, i);
        if(dist0[i] > dist0[first]) {
            first = i;
        }
    }
    int R = mod;
    int second = 0;
    for(int i = 0; i < N; i ++) {
        dist1[i] = getDistance(first, i);
        if(dist1[i] > dist1[second]) {
            second = i;
        }
    }
    for(int i = 0; i < N; i ++) {
        int now = dist0[i] + dist1[i] - dist1[0]; now /= 2; now = dist1[i] - now;
        chkmin(R, max({now, dist1[second] - now}));
    }
	return R;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:20:28: warning: unused parameter 'sub' [-Wunused-parameter]
   20 | int hubDistance(int N, int sub) {
      |                        ~~~~^~~

• Subtask 1: 13 / 13
• Subtask 2: 12 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 39