제출 #1013547

#제출 시각아이디문제언어결과실행 시간메모리
1013547pawned철로 (IOI14_rail)C++17
30 / 100
49 ms604 KiB
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops") #include <bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back typedef long long ll; typedef pair<int, int> ii; typedef vector<int> vi; #include "rail.h" int N, S; ii closeD() { // closest D, returns {idx, pos} int x = -1; int mdist = 1e9; // minimum distance int xp = -1; for (int i = 1; i < N; i++) { int dist = getDistance(0, i); if (dist < mdist) { x = i; xp = S + dist; mdist = dist; } } return {x, xp}; } void findLocation(int n, int s, int location[], int stype[]) { N = n; S = s; ii pr = closeD(); int xd = pr.fi; int pd = pr.se; location[0] = S; stype[0] = 1; location[xd] = pd; stype[xd] = 2; for (int i = 0; i < N; i++) { if (i == 0 || i == xd) continue; int d1 = getDistance(0, i); int d2 = getDistance(xd, i); if (d1 > d2) { // type C location[i] = pd - d2; stype[i] = 1; } else { // type D location[i] = S + d1; stype[i] = 2; } } }
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