이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include "robots.h"
using namespace std;
const int MAXT = 1e6+2;
vector<pair<int,int>> T;
int ex[MAXT];
multiset<pair<int,int>> bt;
bool check(int a, int b, int t, int X[], int Y[], int cp) {
for (int i=0; i<t; i++) ex[i] = 1;
for (int i=0; i<b; i++) bt.insert({Y[i], cp});
for (int i=0; i<t; i++) {
auto it = bt.lower_bound({T[i].second, 1});
if (it == bt.end()) continue;
pair<int,int> q = *it;
bt.erase(it); q.second--; if (q.second) bt.insert(q);
ex[i] = 0;
}
vector<int> W; for (int i=t-1; i>=0; i--) if (ex[i]) W.push_back(T[i].first);
if (W.empty()) return 1;
if (W[W.size()-1] > X[a-1]) return 0;
int mc = a-1; int toy = W.size()-1; int cnt = 0;
vector<int> exc(a, 0);
while (mc){
while (X[mc-1] < W[toy]) toy--, cnt++;
exc[mc] = cnt; cnt = 0; mc--;
}
exc[mc] = toy+1;
// for (int i=0; i<a; i++) cout<<exc[i]<<' ';
int ans = 1;
for (int i=a-2; i>=0; i--) exc[i] = exc[i+1]+exc[i];
for (int i=0; i<a; i++) ans = max(ans, (exc[i]+a-1-i)/(a-i));
return (ans<=cp);
}
int putaway(int a, int b, int t, int X[], int Y[], int W[], int S[]){
for (int i=0; i<t; i++) W[i]++;
for (int i=0; i<t; i++) S[i]++;
sort(X, X+a); sort(Y, Y+b);
for (int i = 0; i < t; i++) T.push_back(make_pair(W[i],S[i]));
sort(T.begin(),T.end(), greater<pair<int,int>>());
int l = 1, r = t+1;
while (l<r) {
bt.clear();
int m = (l+r)/2;
if (check(a,b,t,X,Y,m)) r = m;
else l = m+1;
}
if (l==t+1) return -1; else return l;
}
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