제출 #385423

#제출 시각아이디문제언어결과실행 시간메모리
385423alireza_kaviani철로 (IOI14_rail)C++11
56 / 100
415 ms620 KiB
#include <bits/stdc++.h> #include "rail.h" using namespace std; const int MAXN = 5010; const int MOD = 1e9 + 7; int n , mark[MAXN] , mn[MAXN]; void findLocation(int N, int first, int location[], int stype[]){ n = N; fill(mn , mn + MAXN , MOD); mn[0] = 0 ; location[0] = first; stype[0] = 1; for(int i = 0 ; i < n ; i++){ int v = -1; for(int j = 0 ; j < n ; j++){ if(!mark[j] && (v == -1 || mn[j] < mn[v])) v = j; } mark[v] = 1; for(int j = 0 ; j < n ; j++){ if(mark[j]) continue; int dist = getDistance(v , j); if(dist < mn[j]){ mn[j] = dist; location[j] = location[v] + dist * (stype[v] == 1 ? 1 : -1); stype[j] = 3 - stype[v]; } } } }
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