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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int TEN = 10;
  5.  
  6. void generateMatrix(int matrix[][TEN], int n, int x) {
  7. 	int firstColumn = 0, lastColumn = n - 1;
  8.     int firstRow = 0, lastRow = n - 1;
  9.     while (firstRow < lastRow) {
  10.         for (int i = firstColumn; i <= lastColumn; ++i) {
  11.             ++x;
  12.             matrix[firstColumn][i] = x * x;
  13.         }
  14.         for (int i = firstRow + 1; i <= lastRow; ++i) {
  15.             ++x;
  16.             matrix[lastColumn][i] = x * x;
  17.         }
  18.         for (int i = lastColumn - 1; i >= firstColumn && firstRow != lastRow; --i) {
  19.             ++x;
  20.             matrix[lastRow][i] = x * x;
  21.         }
  22.         for (int i = lastRow - 1; i > firstRow && firstColumn != lastColumn; --i) {
  23.             ++x;
  24.             matrix[lastRow][i] = x * x;
  25.         }
  26.         ++firstRow;
  27.         ++firstColumn;
  28.         --lastRow;
  29.         --lastColumn;
  30.     }
  31. }
  32.  
  33. int main() {
  34.     int n, x, matrix[TEN][TEN];
  35.     cin >> n >> x;
  36.     generateMatrix(matrix, n, x);
  37.     for (int i = 0; i < n; ++i) {
  38.         for (int j = 0; j < n; ++j) {
  39.             cout << matrix[i][j] << ' ';
  40.         }
  41.         cout << '\n';
  42.     }
  43.     return 0;
  44. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
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4
stdout
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1 4 9 16 
0 169 196 0 
0 256 225 5390 
100 144 121 49
https://ideone.com/mAfRn3
language:
C++ (gcc 8.3)
created:
26 days ago
visibility:
public

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