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  1. #include <iostream>
  2.  
  3. int main() {
  4. 	for(int r=0; r<5; ++r){
  5. 		for(int c=0; c<5; ++c){
  6.  			int R = c<=r ? c : 4-c,
  7.  				C = c<=r ? 4-r : r,
  8.  				RC = R+C,
  9. 	 			v = (RC*(RC+1)/2 +1) + ((RC%2==1) ? R : C);
  10.  			if(c>r){
  11.  				v = 26-v;
  12.  			}
  13. 	 		std::cout.width(3);
  14. 			std::cout << v << ',';
  15. 		}
  16. 		std::cout << '\n';
  17. 	}
  18. }
Success #stdin #stdout 0.01s 5280KB
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stdin
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Standard input is empty
stdout
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 15, 16, 22, 23, 25,
  7, 14, 17, 21, 24,
  6,  8, 13, 18, 20,
  2,  5,  9, 12, 19,
  1,  3,  4, 10, 11,
https://ideone.com/0nkFJd
language:
C++ (gcc 8.3)
created:
96 days ago
visibility:
secret

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