제출 #420550

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
420550		A_D	Seats (IOI18_seats)	C++14	11 / 100	1782 ms	47816 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
const int N=1e4+100;
int n;
int x[N];
int y[N];
void give_initial_chart(int H,int W,vector<int> R,vector<int> C){
    n=H*W;
    for(int i=0;i<n;i++){
        x[i]=R[i];
        y[i]=C[i];
    }
}

int swap_seats(int a, int b){
    swap(x[a],x[b]);
    swap(y[a],y[b]);
    int ret=0;
    int x2=0,x1=1e8,y2=0,y1=1e8;
    for(int i=0;i<n;i++){
        x1=min(x1,x[i]);
        x2=max(x2,x[i]);
        y1=min(y1,y[i]);
        y2=max(y2,y[i]);
        if(((x2-x1+1)*(y2-y1+1))==(i+1))ret++;
    }
    return ret;
}

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