Submission #729469

#	Time	Username	Problem	Language	Result	Execution time	Memory
729469		t6twotwo	Seats (IOI18_seats)	C++17	0 / 100	4033 ms	40776 KiB

seats

#include "seats.h"
#include <bits/stdc++.h>
using namespace std;
int N, M;
vector<int> A, B;
void give_initial_chart(int H, int W, vector<int> R, vector<int> C) {
    N = H, M = W;
    A = R, B = C;
}
int swap_seats(int u, int v) {
    swap(A[u], A[v]);
    swap(B[u], B[v]);
    int ans = 0;
    int L = M, R = -1;
    int U = M, D = -1;
    for (int i = 0; i < N * M; i++) {
        L = min(L, B[i]);
        R = max(R, B[i]);
        U = min(U, A[i]);
        D = max(D, A[i]);
        if ((R - L + 1) * (D - U + 1) == i + 1) {
            ans++;
        }
    }
    return ans;
}

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