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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.     for (int linePos = 1, colPos = 1; linePos <= mtSize && colPos <= mtSize;) {
  16.         cout << windLine[linePos][colPos] << " ";
  17.         int lPlusC = linePos + colPos;
  18.         if (lPlusC % 2 && ((lineDir == 0 && colDir == 1 && 
  19.             lPlusC <= mtSize + 1) || 
  20.             (lineDir == 1 && colDir == 0 && lPlusC >= mtSize + 1))) {
  21.             lineDir = 1;
  22.             colDir = -1;
  23.         }
  24.         if (lPlusC % 2 == 0 && ((lineDir == 0 && colDir == 1 && 
  25.             lPlusC >= mtSize + 1) || (lineDir == 1 && colDir == 0 && 
  26.             lPlusC <= mtSize + 1))) {
  27.             lineDir = -1;
  28.             colDir = 1;
  29.         }
  30.         if ((lineDir == 1 && colDir == -1 && lPlusC < mtSize + 1 && 
  31.             colPos == 1) || (lineDir == -1 && colDir == 1 && 
  32.             lPlusC >= mtSize + 1 && colPos == mtSize)) {
  33.             lineDir = 1;
  34.             colDir = 0;
  35.         }
  36.         if ((lineDir == 1 && colDir == -1 && lPlusC >= mtSize + 1 && 
  37.             linePos == mtSize) || (lineDir == -1 && colDir == 1 && 
  38.             lPlusC < mtSize + 1 && linePos == 1 )) {
  39.             lineDir = 0;
  40.             colDir = 1;
  41.         }
  42.         linePos += lineDir;
  43.         colPos += colDir;
  44.         lPlusC = linePos + colPos;
  45.     }
  46.     return 0;
  47. }
Success #stdin #stdout 0.01s 5264KB
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stdin
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stdout
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https://ideone.com/7ta51g
language:
C++14 (gcc 8.3)
created:
129 days ago
visibility:
public

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