Submission #298184

#	Time	Username	Problem	Language	Result	Execution time	Memory
298184		williamMBDK	Robots (IOI13_robots)	C++11	28 / 100	296 ms	8696 KiB

robots

#include<bits/stdc++.h>
using namespace std;
#include "robots.h"
vector<int> xs, ys, as, bs;
int solveb(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
	as = vector<int> (A), bs = vector<int> (B), xs = vector<int> (T), ys = vector<int> (T);
	for(int i = 0; i < T; i++) xs[i] = W[i]; //cout << xs[i] << " ";
	for(int i = 0; i < T; i++) ys[i] = S[i];
	for(int i = 0; i < A; i++) as[i] = X[i]; //cout << i << " " << as[i] << " ";
	for(int i = 0; i < B; i++) bs[i] = Y[i];
	sort(xs.begin(), xs.end());
	sort(ys.begin(), ys.end());
	sort(as.begin(), as.end());
	sort(bs.begin(), bs.end());
	if(A == 0 || xs[T-1] >= as[A-1]) return -1;
	int res = 0;
	priority_queue<int> q;
	for(int i = T - 1; i >= 0; i--){
		if(q.empty()) q.push(A-1), res++;
		auto t = q.top(); q.pop();
		if(xs[i] >= as[t]){
			q.push(t);
			if(A > 1) q.push(A-2);
			res++;
		}else if(t > 0) q.push(t-1);
	}
	return res;
}
int solvea(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
	as = vector<int> (A), bs = vector<int> (B), xs = vector<int> (T), ys = vector<int> (T);
	for(int i = 0; i < T; i++) xs[i] = W[i]; //cout << xs[i] << " ";
	for(int i = 0; i < T; i++) ys[i] = S[i];
	for(int i = 0; i < A; i++) as[i] = X[i]; //cout << i << " " << as[i] << " ";
	for(int i = 0; i < B; i++) bs[i] = Y[i];
	sort(xs.begin(), xs.end());
	sort(ys.begin(), ys.end());
	sort(as.begin(), as.end());
	sort(bs.begin(), bs.end());
	pair<int,int> m1 = {W[0], S[0]};
	pair<int,int> m2 = {W[1], S[1]};
	if(A == 2){
		if(as[1] > xs[1] && as[0] > xs[0]) return 1;
		else if(as[1] > xs[1]) return 2;
		return -1;
	}else if(B == 2){
		if(bs[1] > ys[1] && bs[0] > ys[0]) return 1;
		else if(bs[1] > ys[1]) return 2;
		return -1;
	}else{
		if(as[0] > m1.first && bs[0] > m2.second) return 1;
		else if(as[0] > m2.first && bs[0] > m1.second) return 1;
		else if(as[0] > m2.first && as[0] > m1.first) return 2;
		else if(bs[0] > m2.second && bs[0] > m1.second) return 2;
		return -1;
	}
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
	if(B == 0) return solveb(A, B, T, X, Y, W, S);
	return solvea(A, B, T, X, Y, W, S);
}

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