제출 #598971

#제출 시각아이디문제언어결과실행 시간메모리
598971proma철로 (IOI14_rail)C++17
56 / 100
687 ms98444 KiB
#include "rail.h" #include <bits/stdc++.h> using namespace std; int d[5001][5001], used[5001]; void findLocation(int N, int first, int location[], int stype[]) { for (int i = 0; i < N; i ++) { d[i][i] = 0; for (int j = i + 1; j < N; j ++) { d[i][j] = d[j][i] = getDistance(i, j); } } int nxt = -1, mn = 1e9; for (int i = 1; i < N; i ++) { if (mn > d[0][i]) { mn = d[0][i]; nxt = i; } } stype[0] = 1; location[0] = first; stype[nxt] = 2; location[nxt] = first + mn; // finding D that go before 0 for (int i = 1; i < N; i ++) { if (i == nxt) continue; int flag = 0; for (int j = 1; j < N; j ++) { if (j == i or j == nxt) continue; if (d[0][i] == d[0][nxt] + d[nxt][j] + d[j][i]) { flag = 1; stype[i] = 2; location[i] = first + d[0][nxt] - d[nxt][j] + d[j][i]; break; } } if (!flag) { for (int j = 1; j < N; j ++) { if (i == j) continue; if (d[0][i] == d[0][j] + d[j][i]) { flag = 1; stype[i] = 1; location[i] = first + d[0][j] - d[j][i]; break; } } } if (!flag) { stype[i] = 2; location[i] = first + d[0][i]; } // cout << i << ": " << stype[i] << " " << location[i] << endl; } }
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