제출 #578973

#제출 시각아이디문제언어결과실행 시간메모리
578973Mazaalai로봇 (IOI13_robots)C++17
53 / 100
1913 ms18064 KiB
#include "robots.h" #include <bits/stdc++.h> #define ub upper_bound #define lb lower_bound #define mp make_pair #define ff first #define ss second #define LINE "--------------------\n" using namespace std; using PII = pair <int, int>; int n, m, k, a, b; const int N = 5e4+5; const int M = 1e6+5; int wLimit[N], szLimit[N]; int w[M], sz[M]; bool removed[N]; bool solve(int lim) { priority_queue <PII> vals, vals1; for (int i = 0; i < n; i++) vals.push({w[i], sz[i]}); for (int i = a-1; i >= 0; i--) { for (int j = 0; j < lim && !vals.empty(); j++) { while(!vals.empty()) { PII tmp = vals.top(); if (wLimit[i] <= tmp.ff) { vals.pop(); vals1.push({tmp.ss, tmp.ff}); continue; } break; } if (!vals.empty()) vals.pop(); } } while(!vals.empty()) { PII tmp = vals.top(); vals.pop(); vals1.push({tmp.ss, tmp.ff}); } for (int i = b-1; i >= 0; i--) { for (int j = 0; j < lim && !vals1.empty(); j++) { while(!vals1.empty()) { PII tmp = vals1.top(); if (szLimit[i] <= tmp.ff) return 0; break; } if (!vals1.empty()) vals1.pop(); } } return vals1.size() == 0; } int putaway(int weak, int small, int _n, int _wLimit[], int _szLimit[], int _w[], int _sz[]) { n = _n; if (weak > 0) sort(_wLimit, _wLimit+weak); if (small > 0) sort(_szLimit, _szLimit+small); a = weak; b = small; for (int i = 0; i < weak; i++) wLimit[i] = _wLimit[i]; for (int i = 0; i < small; i++) szLimit[i] = _szLimit[i]; for (int i = 0; i < n; i++) w[i] = _w[i], sz[i] = _sz[i]; if (n == 0) return 0; int l = 1, r = n, ans = 1e9; while (l <= r) { int mid = (l+r)>>1; if (solve(mid)) { r = mid-1; ans = mid; } else { l = mid+1; } } return ans == 1e9 ? -1 : ans; }
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