Submission #294660

#	Time	Username	Problem	Language	Result	Execution time	Memory
294660		Autoratch	Seats (IOI18_seats)	C++14	11 / 100	4082 ms	32760 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;

int m,n;
vector<int> x,y;

void give_initial_chart(int H, int W,vector<int> R,vector<int> C) 
{
    m = H,n = W,x = R,y = C;
}

int swap_seats(int a,int b) 
{
    swap(x[a],x[b]),swap(y[a],y[b]);
    int ans = 1,now = 1;
    int mnx,mxx,mny,mxy;
    mnx = mxx = x[0],mny = mxy = y[0];
    while(now<m*n)
    {
        mnx = min(mnx,x[now]),mxx = max(mxx,x[now]);
        mny = min(mny,y[now]),mxy = max(mxy,y[now]);
        if((mxx-mnx+1)*(mxy-mny+1)==now+1) ans++;
        now++;
    }
    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