Submission #470606

#	Time	Username	Problem	Language	Result	Execution time	Memory
470606		nicolaalexandra	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	80 / 100	9 ms	972 KiB

treasure

#include <bits/stdc++.h>
#include "treasure.h"
#define DIM 110
#define mp make_pair
using namespace std;

int a[DIM][DIM];
map <pair<pair<int,int>,pair<int,int> >, int > f;
int n,i,j;


void findTreasure (int n) {

    for (int i=1;i<=n/2;i++)
        for (int j=1;j<=n/2;j++){

            if (f[mp(mp(i,j),mp(n,n))])
                a[i][j] += f[mp(mp(i,j),mp(n,n))];
            else {
                int val = countTreasure(i,j,n,n);
                a[i][j] += val;
                f[mp(mp(i,j),mp(n,n))] = val;
            }

            if (f[mp(mp(i,j+1),mp(n,n))])
                a[i][j] -= f[mp(mp(i,j+1),mp(n,n))];
            else {
                int val = countTreasure(i,j+1,n,n);
                a[i][j] -= val;
                f[mp(mp(i,j+1),mp(n,n))] = val;
            }

            if (f[mp(mp(i+1,j),mp(n,n))])
                a[i][j] -= f[mp(mp(i+1,j),mp(n,n))];
            else {
                int val = countTreasure(i+1,j,n,n);
                a[i][j] -= val;
                f[mp(mp(i+1,j),mp(n,n))] = val;
            }

            if (f[mp(mp(i+1,j+1),mp(n,n))])
                a[i][j] += f[mp(mp(i+1,j+1),mp(n,n))];
            else {
                int val = countTreasure(i+1,j+1,n,n);
                a[i][j] += val;
                f[mp(mp(i+1,j+1),mp(n,n))] = val;
            }

        }


    for (int i=1;i<=n/2;i++)
        for (int j=n/2+1;j<=n;j++){
            if (f[mp(mp(i,1),mp(n,j))])
                a[i][j] += f[mp(mp(i,1),mp(n,j))];
            else {
                int val = countTreasure(i,1,n,j);
                a[i][j] += val;
                f[mp(mp(i,1),mp(n,j))] = val;
            }

            if (f[mp(mp(i,1),mp(n,j-1))])
                a[i][j] -= f[mp(mp(i,1),mp(n,j-1))];
            else {
                int val = countTreasure(i,1,n,j-1);
                a[i][j] -= val;
                f[mp(mp(i,1),mp(n,j-1))] = val;
            }

            if (f[mp(mp(i+1,1),mp(n,j))])
                a[i][j] -= f[mp(mp(i+1,1),mp(n,j))];
            else {
                int val = countTreasure(i+1,1,n,j);
                a[i][j] -= val;
                f[mp(mp(i+1,1),mp(n,j))] = val;
            }

            if (f[mp(mp(i+1,1),mp(n,j-1))])
                a[i][j] += f[mp(mp(i+1,1),mp(n,j-1))];
            else {
                int val = countTreasure(i+1,1,n,j-1);
                a[i][j] += val;
                f[mp(mp(i+1,1),mp(n,j-1))] = val;
            }

        }




    for (int i=n/2+1;i<=n;i++)
        for (int j=1;j<=n/2;j++){
            if (f[mp(mp(1,j),mp(i,n))])
                a[i][j] += f[mp(mp(1,j),mp(i,n))];
            else {
                int val = countTreasure(1,j,i,n);
                a[i][j] += val;
                f[mp(mp(1,j),mp(i,n))] = val;
            }

            if (f[mp(mp(1,j),mp(i-1,n))])
                a[i][j] -= f[mp(mp(1,j),mp(i-1,n))];
            else {
                int val = countTreasure(1,j,i-1,n);
                a[i][j] -= val;
                f[mp(mp(1,j),mp(i-1,n))] = val;
            }

            if (f[mp(mp(1,j+1),mp(i,n))])
                a[i][j] -= f[mp(mp(1,j+1),mp(i,n))];
            else {
                int val = countTreasure(1,j+1,i,n);
                a[i][j] -= val;
                f[mp(mp(1,j+1),mp(i,n))] = val;
            }

            if (f[mp(mp(1,j+1),mp(i-1,n))])
                a[i][j] += f[mp(mp(1,j+1),mp(i-1,n))];
            else {
                int val = countTreasure(1,j+1,i-1,n);
                a[i][j] += val;
                f[mp(mp(1,j+1),mp(i-1,n))] = val;
            }

        }


    for (int i=n/2+1;i<=n;i++)
        for (int j=n/2+1;j<=n;j++){
            if (f[mp(mp(1,1),mp(i,j))])
                a[i][j] += f[mp(mp(1,1),mp(i,j))];
            else {
                int val = countTreasure(1,1,i,j);
                a[i][j] += val;
                f[mp(mp(1,1),mp(i,j))] = val;
            }

            if (f[mp(mp(1,1),mp(i-1,j))])
                a[i][j] -= f[mp(mp(1,1),mp(i-1,j))];
            else {
                int val = countTreasure(1,1,i-1,j);
                a[i][j] -= val;
                f[mp(mp(1,1),mp(i-1,j))] = val;
            }

            if (f[mp(mp(1,1),mp(i,j-1))])
                a[i][j] -= f[mp(mp(1,1),mp(i,j-1))];
            else {
                int val = countTreasure(1,1,i,j-1);
                a[i][j] -= val;
                f[mp(mp(1,1),mp(i,j-1))] = val;
            }

            if (f[mp(mp(1,1),mp(i-1,j-1))])
                a[i][j] += f[mp(mp(1,1),mp(i-1,j-1))];
            else {
                int val = countTreasure(1,1,i-1,j-1);
                a[i][j] += val;
                f[mp(mp(1,1),mp(i-1,j-1))] = val;
            }
        }

    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            if (a[i][j])
                Report (i,j);

}

• Subtask 1: 80 / 100