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  1. #include <cstdio>
  2.  
  3. int main() {
  4.  
  5. 	auto& s = "Hello World";
  6. 	int n = sizeof(s)-1;
  7.  
  8. 	auto f=[&](auto f,int y)->void{
  9. 		for(int i{};i<n;i++) putchar(y<0?f(f,y+1?i+1:n-1-i),'\n':i<y||i+y&1?' ':s[i]);
  10. 	}; f(f,-1); f(f,-2);
  11.  
  12. }
  13.  
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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          d
         l 
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       o l 
      W r d
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   l   o l 
  l o W r d
 e l   o l 
H l o W r d
 e l   o l 
  l o W r d
   l   o l 
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https://ideone.com/VhsZpN
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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