Submission #110111

#	Time	Username	Problem	Language	Result	Execution time	Memory
110111		SirCeness	Seats (IOI18_seats)	C++14	11 / 100	4086 ms	41040 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>

using namespace std;

int h, w;
vector<int> r, c;

void maxi(int& a, int b){
	a = max(a, b);
}

void mini(int& a, int b){
	a = min(a, b);
}

int getans(){
	int rmax = r[0];
	int rmin = r[0];
	int cmax = c[0];
	int cmin = c[0];
	//cout << rmax << " " << rmin << " - " << cmax << " " << cmin << endl;
	int ans = 1;
	for (int i = 1; i < h*w; i++){
		maxi(rmax, r[i]);
		mini(rmin, r[i]);
		maxi(cmax, c[i]);
		mini(cmin, c[i]);
		//cout << rmax << " " << rmin << " - " << cmax << " " << cmin << endl;
		if ((rmax-rmin+1)*(cmax-cmin+1) == i+1) ans++;
	}
	return ans;
}

void give_initial_chart(int H, int W, vector<int> R, vector<int> C) {
	h = H;
	w = W;
	for (int i = 0; i < h*w; i++){
		r.push_back(R[i]);
		c.push_back(C[i]);
	}
}

int swap_seats(int a, int b) {
	int tmp = r[a];
	r[a] = r[b];
	r[b] = tmp;
	tmp = c[a];
	c[a] = c[b];
	c[b] = tmp;
	return getans();
}

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 0 / 20
• Subtask 4: 0 / 6
• Subtask 5: 0 / 33
• Subtask 6: 0 / 30