Submission #209665

#	Time	Username	Problem	Language	Result	Execution time	Memory
209665		TAISA_	Seats (IOI18_seats)	C++14	11 / 100	4098 ms	40828 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
void chmin(int& a,int b){a=min(a,b);}
void chmax(int& a,int b){a=max(a,b);}
vector<int> r,c;
int h,w;
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
	r=R;
	c=C;
	h=H;
	w=W;
}

int swap_seats(int a, int b) {
	swap(r[a],r[b]);
	swap(c[a],c[b]);
	int xmi=c[0],xma=c[0],ymi=r[0],yma=r[0];
	int res=0;
	for(int i=0;i<h*w;i++){
		chmin(xmi,c[i]);
		chmin(ymi,r[i]);
		chmax(xma,c[i]);
		chmax(yma,r[i]);
		if((xma-xmi+1)*(yma-ymi+1)==i+1){
			res++;
		}
	}
	return res;
}

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