Submission #363524

#	Time	Username	Problem	Language	Result	Execution time	Memory
363524		silverfish	Rail (IOI14_rail)	C++14	30 / 100	86 ms	492 KiB

rail

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

typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<int, int> pii;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

#define pb push_back
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define TC int __TC__; cin >> __TC__; while(__TC__--)
#define ar array

const int INF = 1e9 + 7;

// C (down) : 1
// D (up) : 2

void findLocation(int n, int first, int loc[], int type[]){
	loc[0] = first;
	type[0] = 1;

	ar<int,2> mn = {INF, -1};
	for(int i = 1; i < n; ++i){
		mn = min(mn, {getDistance(0, i), i});
	}
	mn[0] += first;
	type[mn[1]] = 2;
	loc[mn[1]] = mn[0];
	int first_d = mn[1];

	for(int i = 1; i < n; ++i){
		if(i == mn[1]) continue;
		int dist0 = getDistance(0, i), dist1 = getDistance(mn[1], i);
		if(dist0 > dist1){
			type[i] = 1;
			loc[i] = mn[0] -  dist1;
		}else{
			type[i] = 2;
			loc[i] = first + dist0;
		}
	}

	return;
}

Compilation message (stderr)

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:32:6: warning: unused variable 'first_d' [-Wunused-variable]
   32 |  int first_d = mn[1];
      |      ^~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44