Submission #294176

#	Time	Username	Problem	Language	Result	Execution time	Memory
294176		Saboon	Seats (IOI18_seats)	C++17	11 / 100	4102 ms	24312 KiB

seats

#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 10;
int n, h, w;
vector<int> r, c;

int MxC[4*maxn], MxR[4*maxn], MnC[4*maxn], MnR[4*maxn];

void give_initial_chart(int H, int W, vector<int> R, vector<int> C){
	h = H, w = W, r = R, c = C;
	n = h*w;
}

int swap_seats(int a, int b){
	swap(r[a],r[b]);
	swap(c[a],c[b]);
	int MnR = r[0], MxR = r[0], MnC = c[0], MxC = c[0];
	int cnt = 0;
	for (int i = 0; i < n; i++){
		MnR = min(MnR, r[i]);
		MxR = max(MxR, r[i]);
		MnC = min(MnC, c[i]);
		MxC = max(MxC, c[i]);
		int T = (MxR-MnR+1)*(MxC-MnC+1);
		if (T == i+1)
			cnt ++;
	}
	return cnt;
}

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