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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.         cout << endl;
  28.         //int lPlusC = linePos + colPos;
  29. /*
  30. cosmin
  31. 2025-02-23 11:24:30
  32. get rid of this variable -> solved
  33. */
  34.         if ((linePos + colPos) % 2 && ((lineDir == 0 && colDir == 1 && 
  35. /*
  36. cosmin
  37. 2025-02-23 11:24:36
  38. simplify these conditions
  39. */
  40.             linePos + colPos <= mtSize + 1) || 
  41.             (lineDir == 1 && colDir == 0 && linePos + colPos >= mtSize + 1))) {
  42.             //if1
  43.             lineDir = 1;
  44.             colDir = -1;
  45.             cout << "if1" << endl;
  46.             cout << "lineDir = " << lineDir << " colDir = " << colDir << endl;
  47.         }
  48.         if ((linePos + colPos) % 2 == 0 && ((lineDir == 0 && colDir == 1 && 
  49.             linePos + colPos >= mtSize + 1) || (lineDir == 1 && colDir == 0 && 
  50.             linePos + colPos <= mtSize + 1))) {
  51.             //if2
  52.             lineDir = -1;
  53.             colDir = 1;
  54.             cout << "if2" << endl;
  55.             cout << "lineDir = " << lineDir << " colDir = " << colDir << endl;
  56.         }
  57.         if ((lineDir == 1 && colDir == -1 && linePos + colPos < mtSize + 1 && 
  58.             colPos == 1) || (lineDir == -1 && colDir == 1 && 
  59.             linePos + colPos >= mtSize + 1 && colPos == mtSize)) {
  60.             //if3
  61.             lineDir = 1;
  62.             colDir = 0;
  63.             cout << "if3" << endl;
  64.             cout << "lineDir = " << lineDir << " colDir = " << colDir << endl;
  65.         }
  66.         if ((lineDir == 1 && colDir == -1 && linePos + colPos >= mtSize + 1 && 
  67.             linePos == mtSize) || (lineDir == -1 && colDir == 1 && 
  68.             linePos + colPos < mtSize + 1 && linePos == 1 )) {
  69.             //if4
  70.             lineDir = 0;
  71.             colDir = 1;
  72.             cout << "if4" << endl;
  73.             cout << "lineDir = " << lineDir << " colDir = " << colDir << endl;
  74.         }
  75.         linePos += lineDir;
  76.         colPos += colDir;
  77.         //lPlusC = linePos + colPos;
  78.     }
  79.     return 0;
  80. }
Success #stdin #stdout 0s 5292KB
comments (?)
stdin
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3
11 12 13
21 22 23
31 32 33
stdout
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11 
12 
if1
lineDir = 1 colDir = -1
21 
if3
lineDir = 1 colDir = 0
31 
if2
lineDir = -1 colDir = 1
22 
13 
if3
lineDir = 1 colDir = 0
23 
if1
lineDir = 1 colDir = -1
32 
if4
lineDir = 0 colDir = 1
33 
if2
lineDir = -1 colDir = 1
if3
lineDir = 1 colDir = 0
https://ideone.com/XO7DOh
language:
C++14 (gcc 8.3)
created:
6 hours ago
visibility:
public

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