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  1. #include <cstddef>
  2. #include <string>
  3. #include <iostream>
  4.  
  5. // Prints the array contents to std::cout.
  6. template <typename T, std::size_t R, std::size_t C>
  7. void printArr(const T (&arr)[R][C]) {
  8.     for (auto& r : arr) {
  9.         for (auto& c : r) {
  10.             std::cout << c << " ";
  11.         }
  12.         std::cout << std::endl;
  13.     }
  14. }
  15.  
  16. int main() {
  17.     const std::size_t rows = 5;
  18.     const std::size_t cols = 5;
  19.     char arr[rows][cols]; // Create the array.
  20.  
  21.     // Populate array with '-'.
  22.     for (auto& r : arr) {
  23.         for (auto& c : r) {
  24.             c = '-';
  25.         }
  26.     }
  27.  
  28.     // Set first column to 'hello'.
  29.     std::string s{"hello"};
  30.     for (std::size_t i = 0; i != s.size(); ++i) {
  31.         arr[i][0] = s[i];
  32.     }
  33.  
  34.     // Print array to screen.
  35.     printArr(arr);
  36. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin
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Standard input is empty
stdout
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h - - - - 
e - - - - 
l - - - - 
l - - - - 
o - - - -
https://ideone.com/K63uDQ
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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