Submission #1052488

#	Time	Username	Problem	Language	Result	Execution time	Memory
1052488		Ahmed57	Seats (IOI18_seats)	C++17	11 / 100	4062 ms	41136 KiB

seats

#include "bits/stdc++.h"

using namespace std;
vector<int> r,c;
int h,w;
void give_initial_chart(int H, int W, vector<int> R, vector<int> C){
    h = H;
    w = W;
    for(int i = 0;i<H*W;i++){
        r.push_back(R[i]);
        c.push_back(C[i]);
    }
}
int swap_seats(int a, int b){
    swap(r[a],r[b]);
    swap(c[a],c[b]);
    int mnx = 1e9 , mxx = -1e9 , mny = 1e9 , mxy = -1e9;
    int ans = 0;
    for(int i = 0;i<h*w;i++){
        mnx = min(mnx,r[i]);
        mxx = max(mxx,r[i]);
        mny = min(mny,c[i]);
        mxy = max(mxy,c[i]);
        if(i+1==(mxx-mnx+1)*(mxy-mny+1)){
            ans++;
        }
    }
    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