Submission #993292

#	Time	Username	Problem	Language	Result	Execution time	Memory
993292		vjudge1	Robots (IOI13_robots)	C++17	28 / 100	154 ms	18496 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define ll long long
#define pii pair<int,int>
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
	sort(X, X + A);
	sort(Y, Y + B);
	if (A + B == 2 && T == 2){
		if (B == 2){
			swap(A, B);
			swap(X, Y);
			swap(W, S);
		}
		if (A == 2){
			if (min(W[0], W[1]) < X[0] && max(W[0], W[1]) < X[1]){
				return 1;
			}
			if (max(W[0], W[1]) < X[1]){
				return 2;
			}
			return -1;
		}
		if ((W[0] < X[0] && S[1] < Y[0]) || (W[1] < X[0] && S[0] < Y[0])){
			return 1;
		}
		if (max(W[0], W[1]) < X[0] || max(S[0], S[1]) < Y[0]){
			return 2;
		}
		return -1;
	}
	vector<pii> v;
	for (int i = 0; i < A; i++){
		v.pb({X[i], 0}); // robots
	}
	for (int i = 0; i < T; i++){
		v.pb({W[i], 1}); // toys
	}
	sort(all(v), greater<>());
	if (v[0].second == 1) return -1;
	int s[2] = {};
	int ans = 0;
	for (auto [x, b] : v){
		s[b] ++;
		if (s[0] != 0) ckmax(ans, (s[1] + s[0] - 1) / s[0]);
	}
	return ans;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10