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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. #include <iterator>
  5. #include <vector>
  6.  
  7. int main()
  8. {
  9. 	std::vector<std::vector<int>> a;
  10. 	for (std::string s; std::getline(std::cin, s); ) {
  11. 		std::istringstream iss(s);
  12. 		std::istream_iterator<int> itr(iss), end;
  13. 		a.emplace_back(itr, end);
  14. 	}
  15. 	const int m = a.size();
  16. 	const int n = a[0].size();
  17. 	std::vector<std::vector<int>> b(m + 1, std::vector<int>(n + 1, 0));
  18. 	for (int i = 0; i < m; ++i) {
  19. 		for (int j = 0; j < n; ++j) {
  20. 			b[i][j] = a[i][j];
  21. 			b[i][n] += a[i][j];
  22. 			b[m][j] += a[i][j];
  23. 			b[m][n] += a[i][j];
  24. 		}
  25. 	}
  26. 	for (auto &v : b) {
  27. 		for (auto x : v) {
  28. 			std::cout << x << " ";
  29. 		}
  30. 		std::cout << std::endl;
  31. 	}
  32. }
  33.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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1 2 3
4 5 6
stdout
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1 2 3 6 
4 5 6 15 
5 7 9 21
https://ideone.com/XhFw95
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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