Submission #272509

#	Time	Username	Problem	Language	Result	Execution time	Memory
272509		doowey	Arcade (NOI20_arcade)	C++14	7 / 100	1 ms	384 KiB

Arcade

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

int main(){
    fastIO;
    int n, m;
    cin >> n >> m;
    pii z[m];
    for(int i = 0 ; i < m; i ++ ){
        cin >> z[i].fi;
    }
    for(int i = 0 ; i < m; i ++ ){
        cin >> z[i].se;
    }
    sort(z, z + m);
    int answer = 1;
    int cur;
    int T;
    int las;
    for(int i = 1 ; i < m; i ++ ){
        for(int j = i - 1; j >= 0 ; j -- ){
            if(z[i].fi - z[j].fi < abs(z[i].se - z[j].se)){
                T = z[i].fi - z[j].fi;
                vector<int> res;
                las = z[i].fi;
                for(int k = j + 1; k < i ; k ++ ){
                    if(abs(z[k].se -  z[i].se) > T && abs(z[k].se - z[j].se) > T){
                        res.push_back(z[k].se);
                    }
                }
                cur = 2;
                sort(res.begin(), res.end());
                for(auto x : res){
                    if(x - las > T){
                        las = x;
                        cur ++ ;
                    }
                }
                answer = max(answer, cur);
            }
        }
    }
    cout << answer << "\n";
    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 14
• Subtask 6: 0 / 20
• Subtask 7: 0 / 15