Submission #1004043

#	Time	Username	Problem	Language	Result	Execution time	Memory
1004043		irmuun	Seats (IOI18_seats)	C++17	11 / 100	4102 ms	40900 KiB

seats

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

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

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

void give_initial_chart(int H,int W,vector<int>R,vector<int>C){//len HW
    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 ans=0,r1=h,r2=0,c1=w,c2=0;
    for(int i=0;i<n;i++){
        r1=min(r1,r[i]);
        r2=max(r2,r[i]);
        c1=min(c1,c[i]);
        c2=max(c2,c[i]);
        if((r2-r1+1)*(c2-c1+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