Submission #1171604

#	Time	Username	Problem	Language	Result	Execution time	Memory
1171604		anmattroi	Seats (IOI18_seats)	C++17	11 / 100	4096 ms	24116 KiB

seats

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

using namespace std;

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

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 rmin = INT_MAX, rmax = 0, cmin = INT_MAX, cmax = 0, ans = 0;
    for (int i = 0; i < h*w; i++) {
        rmin = min(rmin, r[i]); rmax = max(rmax, r[i]);
        cmin = min(cmin, c[i]); cmax = max(cmax, c[i]);
        ans += ((rmax-rmin+1) * (cmax-cmin+1) == i+1);
    }
    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