Submission #243202

#	Time	Username	Problem	Language	Result	Execution time	Memory
243202		VEGAnn	Pick (COI18_pick)	C++14	10 / 100	5 ms	384 KiB

pick

#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define PB push_back
using namespace std;
typedef long double ld;
const int N = 400100;
const ld E = 1e-10;
int a, b, c, d, x, y;

void prit(){
    cout << x << " " << y << '\n';
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

#ifdef _LOCAL
    freopen("in.txt","r",stdin);
#endif // _LOCAL

    cin >> a >> b >> c >> d;

    cout << "0 0\n";

    if (a == 0 && b == 0){
        for (int it = 0; it < c / 2; it++){
            x++; y++;
            prit();
        }

        x--; y++;
        prit();

        for (int it = 1; it < c / 2; it++){
            x--; y--;
            prit();
        }

        for (int it = 1; it < d / 2; it++){
            x--; y++;
            prit();
        }

        x--; y--;
        prit();

        for (int it = 0; it < d / 2; it++){
            x++; y--;

            if (x != 0 || y != 0)
                prit();
        }

        return 0;
    }

    if (a % 2 == 0 && b % 2 == 0 && a > 0 && b > 0){
        for (int it = 0; it < a / 2; it++){
            x++;
            prit();
        }

        for (int it = 0; it < b / 2; it++){
            y++;
            prit();
        }

        for (int it = 0; it < c / 2; it++){
            x++; y++;
            prit();
        }

        for (int it = 0; it < d / 2; it++){
            x--; y++;
            prit();
        }

        x--;

        prit();

        for (int it = 0; it < d / 2; it++){
            x++; y--;
            prit();
        }

        for (int it = 0; it < c / 2; it++){
            x--; y--;
            prit();
        }

        for (int it = 1; it < b / 2; it++){
            y--;

            prit();
        }

        for (int it = 1; it < a / 2; it++){
            x--;
            prit();
        }

        return 0;
    }

    if (c % 2 == 0 && c > 0 && a % 2 == 0 && a > 0){
        for (int i = 0; i < a / 2; i++){
            x++;
            prit();
        }

        x++; y++;
        prit();

        for (int i = 0; i < b / 2; i++){
            y++;
            prit();
        }

        for (int i = 1; i < c / 2; i++){
            x++; y++;
            prit();
        }

        for (int i = 0; i < d / 2; i++){
            x--; y++;
            prit();
        }

        x--;
        prit();

        for (int i = 0; i < d / 2; i++){
            x++; y--;
            prit();
        }

        for (int i = 1; i < c / 2; i++){
            x--; y--;
            prit();
        }

        for (int i = 0; i < b / 2; i++){
            y--;
            prit();
        }

        for (int i = 1; i < a / 2; i++){
            x--;
            prit();
        }

        return 0;
    }

    if (d % 2 == 0 && d > 0 && a % 2 == 0 && a > 0){
        for (int i = 0; i < a / 2; i++){
            x++;
            prit();
        }

        x--; y++;
        prit();

        for (int i = 0; i < b / 2; i++){
            y++;
            prit();
        }

        for (int i = 0; i < c / 2; i++){
            x++; y++;
            prit();
        }

        for (int i = 1; i < d / 2; i++){
            x--; y++;
            prit();
        }

        x--;
        prit();

        for (int i = 1; i < d / 2; i++){
            x++; y--;
            prit();
        }

        for (int i = 0; i < c / 2; i++){
            x--; y--;
            prit();
        }

        for (int i = 0; i < b / 2; i++){
            y--;
            prit();
        }

        for (int i = 1; i < a / 2; i++){
            x--;
            prit();
        }

        return 0;
    }

    if (a % 2 == 0 && a > 0 && c % 2 == 1 && d % 2 == 1){
        for (int i = 1; i < a / 2; i++){
            x++;
            prit();
        }

        x++; y++;
        prit();

        for (int it = 0; it < b / 2; it++){
            y++;
            prit();
        }

        for (int it = 0; it < c / 2; it++){
            x++; y++;
            prit();
        }

        for (int it = 0; it < d / 2; it++){
            x--; y++;
            prit();
        }

        x--;

        prit();

        for (int it = 0; it < d / 2; it++){
            x++; y--;
            prit();
        }

        for (int it = 0; it < c / 2; it++){
            x--; y--;
            prit();
        }

        for (int it = 1; it < b / 2; it++){
            y--;

            prit();
        }

        for (int i = 0; i < a / 2; i++){
            x--;
            prit();
        }

        return 0;
    }

    return -1;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 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