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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int MAX_SIZE = 50;
  5.  
  6. int main() {
  7.     int mtSize, windLine[MAX_SIZE + 1][MAX_SIZE + 1];
  8.     cin >> mtSize;
  9.     for (int line = 1; line <= mtSize; ++line) {
  10.         for (int col = 1; col <= mtSize; ++col) {
  11.             cin >> windLine[line][col];
  12.         }
  13.     }
  14.     int lineDir = 0, colDir = 1;
  15. /*
  16. cosmin
  17. 2025-02-23 11:19:54
  18. combine these 2 variables into a single direction variable -> solved
  19. */
  20.     for (int linePos = 1, colPos = 1; linePos <= mtSize && colPos <= mtSize; ) {
  21. /*
  22. cosmin
  23. 2025-02-23 11:23:47
  24. there should be an empty space after the ";" -> solved
  25. */
  26.         cout << windLine[linePos][colPos] << " ";
  27.         //int lPlusC = linePos + colPos;
  28. /*
  29. cosmin
  30. 2025-02-23 11:24:30
  31. get rid of this variable -> solved
  32. */
  33.         if ((linePos + colPos) % 2 && ((lineDir == 0 && colDir == 1 && 
  34. /*
  35. cosmin
  36. 2025-02-23 11:24:36
  37. simplify these conditions
  38. */
  39.             linePos + colPos <= mtSize + 1) || 
  40.             (lineDir == 1 && colDir == 0 && linePos + colPos >= mtSize + 1))) {
  41.             //if1
  42.             lineDir = 1;
  43.             colDir = -1;
  44.         }
  45.         if ((linePos + colPos) % 2 == 0 && ((lineDir == 0 && colDir == 1 && 
  46.             linePos + colPos >= mtSize + 1) || (lineDir == 1 && colDir == 0 && 
  47.             linePos + colPos <= mtSize + 1))) {
  48.             lineDir = -1;
  49.             colDir = 1;
  50.         }
  51.         if ((lineDir == 1 && colDir == -1 && linePos + colPos < mtSize + 1 && 
  52.             colPos == 1) || (lineDir == -1 && colDir == 1 && 
  53.             linePos + colPos >= mtSize + 1 && colPos == mtSize)) {
  54.             lineDir = 1;
  55.             colDir = 0;
  56.         }
  57.         if ((lineDir == 1 && colDir == -1 && linePos + colPos >= mtSize + 1 && 
  58.             linePos == mtSize) || (lineDir == -1 && colDir == 1 && 
  59.             linePos + colPos < mtSize + 1 && linePos == 1 )) {
  60.             lineDir = 0;
  61.             colDir = 1;
  62.         }
  63.         linePos += lineDir;
  64.         colPos += colDir;
  65.         //lPlusC = linePos + colPos;
  66.     }
  67.     return 0;
  68. }
Success #stdin #stdout 0.01s 5248KB
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stdin
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stdout
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11 12 21 31 22 13 14 23 32 41 51 42 33 24 15 25 34 43 52 53 44 35 45 54 55
https://ideone.com/KFuXWa
language:
C++14 (gcc 8.3)
created:
6 hours ago
visibility:
public

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