Submission #557171

#	Time	Username	Problem	Language	Result	Execution time	Memory
557171		Yazan_Alattar	Pick (COI18_pick)	C++14	0 / 100	1 ms	468 KiB

pick

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 200007;
const ll inf = 2e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;

int a, b, c, d;

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> a >> b >> c >> d;
    int n = a + b + c + d;

    cout << "0 0" << endl;

    bool ok = (n == 3 || n == 4 || n == 6);
    assert(ok);

    if(n == 3){
        if(!c){
            cout << "0 1" << endl;
            cout << "1 0" << endl;
        }

        else if(!d){
            cout << "1 1" << endl;
            cout << "1 0" << endl;
        }

//        else assert(0);
    }

    else if(n == 4){
        if(a == 2 && b == 2){
            cout << "0 1" << endl;
            cout << "1 1" << endl;
            cout << "1 0" << endl;
        }

        else if(a == 2){
            cout << "1 0" << endl;
            cout << "2 0" << endl;
            cout << "1 1" << endl;
        }

        else if(b == 2){
            cout << "0 1" << endl;
            cout << "0 2" << endl;
            cout << "1 1" << endl;
        }

        else if(c == 2 && d == 2){
            cout << "1 1" << endl;
            cout << "2 0" << endl;
            cout << "1 -1" << endl;
        }

        else assert(0);
    }

    else{
        if(a == 4 && b == 2){
            cout << "0 1" << endl;
            cout << "0 2" << endl;
            cout << "1 2" << endl;
            cout << "1 1" << endl;
            cout << "1 0" << endl;
        }

        else if(b == 4 && a == 2){
            cout << "1 0" << endl;
            cout << "2 0" << endl;
            cout << "2 1" << endl;
            cout << "1 1" << endl;
            cout << "0 1" << endl;
        }

        else if(c == 4 && d == 2){
            cout << "1 1" << endl;
            cout << "2 2" << endl;
            cout << "3 1" << endl;
            cout << "2 0" << endl;
            cout << "1 -1" << endl;
        }

        else if(d == 4 && c == 2){
            cout << "1 -1" << endl;
            cout << "2 -2" << endl;
            cout << "3 -1" << endl;
            cout << "2 0" << endl;
            cout << "1 1" << endl;
        }

        else assert(0);
    }
    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 20