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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE = 100;
  5.  
  6. const int MAX_COLUMNS = 20;
  7.  
  8. const int FOUR_LINES = 4;
  9.  
  10. const int ONE = 1, TWO = 2, THREE = 3, FOUR = 4;
  11.  
  12. int main() {
  13.     int n, mtx[MAX_SIZE + 1][MAX_SIZE + 1];
  14.     cin >> n;
  15.     for (int i = 1; i <= n; ++i) {
  16.         for (int j = 1; j <= n; ++j) {
  17.             cin >> mtx[i][j];
  18.         }
  19.     }
  20.     int m[FOUR_LINES + 1][MAX_COLUMNS];
  21.     int columnForOne = 1, columnForTwo = 1, columnForThree = 1, columnForFour = 1;
  22.     for (int line = 1; line <= n; ++line) {
  23.         for (int column = 1; column <= n; ++column) {
  24.             if ((line != column) && (line + column != n + 1) && (line < column) && (line + column <= n)) {
  25.                 m[ONE][columnForOne] = mtx[line][column];
  26.                 ++columnForOne;
  27.             }
  28.             else if ((line != column) && (line + column != n + 1) && (line > column) && (line + column <= n)) {
  29.                 m[TWO][columnForTwo] = mtx[line][column];
  30.                 ++columnForTwo;
  31.             }
  32.             else if ((line != column) && (line + column != n + 1) && (line > column) && (line + column > n + 1)) {
  33.                 m[THREE][columnForThree] = mtx[line][column];
  34.                 ++columnForThree;
  35.             }
  36.             else if ((line != column) && (line + column != n + 1) && (line < column) && (line + column > n + 1)) {
  37.                 m[FOUR][columnForFour] = mtx[line][column];
  38.                 ++columnForFour;
  39.             }
  40.         }
  41.     }
  42.     int columnRank;
  43.     if (n % 2 == 0){
  44.         columnRank = (n * n - (n + n)) / 4;
  45.     } else {
  46.         columnRank = (n * n - (n + n - 1)) / 4;
  47.     }
  48.     for (int i = 1; i <= FOUR; ++i) {
  49.         for (int j = 1; j <= columnRank; ++j) {
  50.             cout << m[i][j] << " ";
  51.         }
  52.         cout << "\n";
  53.     }
  54.     return 0;
  55. }
Success #stdin #stdout 0.01s 5520KB
comments (?)
stdin
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5
50 55 75 41 10
111 333 44 8 0
1 2 3 4 5
23 12 1987 91 20
9999 8000 7001 5005 1001
stdout
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55 75 41 44 
111 1 2 23 
1987 8000 7001 5005 
0 4 5 20
https://ideone.com/ZGtAcz
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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