UVa/11040 - Add bricks in the wall/11040.cpp

   1 #include <iostream>
   2
   3 using namespace std;
   4
   5 int a[9][9];
   6
   7 //Construye un triangulito de tres pisos que tiene la cima en el bloque (i,j).
   8 void f(int i, int j){
   9   int A = a[i][j], B = a[i+2][j], C = a[i+2][j+2];
  10
  11   a[i+1][j]   = (A+B-C)/2; //X
  12   a[i+1][j+1] = (A-B+C)/2; //Y
  13   a[i+2][j+1] = (A-B-C)/2; //Z
  14 }
  15
  16 int main(){
  17   int C;
  18   cin >> C;
  19   while (C--){
  20     for (int i=0; i<5; ++i){
  21       for (int j=0; j<=i; ++j){
  22         cin >> a[2*i][2*j];
  23       }
  24     }
  25     for (int i=0; i<4; ++i){
  26       for (int j=0; j<=i; ++j){
  27         f(2*i, 2*j);
  28       }
  29     }
  30
  31     for (int i=0; i<9; ++i){
  32       for (int j=0; j<=i; ++j){
  33         cout << (j>0?" ":"") << a[i][j];
  34       }
  35       cout << endl;
  36     }
  37   }
  38   return 0;
  39 }