Submission #115364

#	Time	Username	Problem	Language	Result	Execution time	Memory
115364		dsjong	Seats (IOI18_seats)	C++14	11 / 100	1265 ms	49272 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
int M,N;
int r[10005],c[10005];

void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
	M=H,N=W;
	for(int i=0;i<M*N;i++){
		r[i]=R[i];
		c[i]=C[i];
	}
}

int swap_seats(int a, int b){
	swap(r[a],r[b]);
	swap(c[a],c[b]);
	int ans=0;
	int maxr=0,minr=1e9,maxc=0,minc=1e9;
	for(int i=0;i<M*N;i++){
		maxr=max(maxr,r[i]);
		minr=min(minr,r[i]);
		maxc=max(maxc,c[i]);
		minc=min(minc,c[i]);
		if((maxr-minr+1)*(maxc-minc+1)==i+1) ans++;
	}
	return ans;
}

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