Submission #66647

#	Time	Username	Problem	Language	Result	Execution time	Memory
66647		IvanC	Treasure (different grader from official contest) (CEOI13_treasure2)	C++17	100 / 100	3 ms	932 KiB

treasure

#include "treasure.h"
#include <bits/stdc++.h>
#define LSOne(S) (S & (-S))
using namespace std;

typedef tuple<int,int,int,int> quadra;

const int MAXN = 110;

static int matriz[MAXN][MAXN],N;

void findTreasure(int n){

    memset(matriz,0,sizeof(matriz));
    N = n;

    int mid = (1 + N)/2;

    for(int i = N;i>=1;i--){
      for(int j = N;j>=1;j--){
        if(i >= mid && j >= mid) matriz[i][j] = countTreasure(1,1,i,j);
        else if(i >= mid && j <= mid) matriz[i][j] = matriz[i][N] - countTreasure(1,j+1,i,N);
        else if(i <= mid && j >= mid) matriz[i][j] = matriz[N][j] - countTreasure(i+1,1,N,j);
        else matriz[i][j] = countTreasure(i+1,j+1,N,N) + matriz[i][N] + matriz[N][j] - matriz[N][N];
      }
    }

    for(int i = 1;i<=N;i++){
      for(int j = 1;j<=N;j++){
        if(matriz[i][j] - matriz[i][j-1] - matriz[i-1][j] + matriz[i-1][j-1]) Report(i,j);
      }
    }

}

• Subtask 1: 100 / 100