Submission #431665

#	Time	Username	Problem	Language	Result	Execution time	Memory
431665		MDario	Seats (IOI18_seats)	C++11	11 / 100	4078 ms	24612 KiB

seats

#include "seats.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> r, c;
int s=0, n;
void give_initial_chart(int H, int W, vector<int> R, vector<int> C) {
    r=R;
    c=C;
    n=H*W;
    return;
}

int swap_seats(int a, int b) {
    if(a>b)swap(a, b);
    swap(r[a], r[b]);
    swap(c[b], c[a]);
    int u=r[0], d=r[0], l=c[0], r1=c[0];
    s=1;
    for(int i=1; i<n; i++){
        u=max(u, r[i]);
        r1=max(r1, c[i]);
        d=min(d, r[i]);
        l=min(l, c[i]);
        if((r1-l+1)*(u-d+1)==i+1)s++;
    }
    return s;
}

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