Submission #1077278

#	Time	Username	Problem	Language	Result	Execution time	Memory
1077278		vjudge1	Seats (IOI18_seats)	C++17	11 / 100	4069 ms	40788 KiB

seats

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

using namespace std;

using vi = vector<int>;

int h, w;
vi R, C;

void give_initial_chart(int H, int W, vi R0, vi C0) {
    h = H; w = W;
    R = R0; C = C0;
}

int swap_seats(int a, int b) {
    swap(R[a], R[b]); swap(C[a], C[b]);
    int mir = R[0], mar = R[0], mic = C[0], mac = C[0];
    int re = 0;
    for(int i = 0; i < h * w; ++i) {
        mir = min(mir, R[i]);
        mar = max(mar, R[i]);
        mic = min(mic, C[i]);
        mac = max(mac, C[i]);

        if((mar - mir + 1) * (mac - mic + 1) == i + 1) ++re;
    }
    return re;
}

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