Submission #370599

#	Time	Username	Problem	Language	Result	Execution time	Memory
370599		leinad2	Seats (IOI18_seats)	C++17	11 / 100	4075 ms	40940 KiB

seats

#include "seats.h"
#include<bits/stdc++.h>
using namespace std;
vector<int>r, c;
int h, w;
void give_initial_chart(int H, int W, vector<int>R, vector<int>C)
{
    h=H;w=W;r=R;c=C;
}
int swap_seats(int a, int b)
{
    swap(r[a], r[b]);
    swap(c[a], c[b]);
    int minr=h+1, maxr=-1, minw=w+1, maxw=-1, ans=0;
    for(int i=0;i<h*w;i++)
    {
        minr=min(minr, r[i]);
        maxr=max(maxr, r[i]);
        minw=min(minw, c[i]);
        maxw=max(maxw, c[i]);
        if((maxr-minr+1)*(maxw-minw+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