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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main(){printf("hello world");return 0;}
  5.  
  6. void Function(int n){int i,count=0;for(i=1;i*i<=n;i++)count++;}
  7. /* 外部ループはn/2回実行 */  /* 中間ウーぷはn/2回実行 */  /* 外部ループはlong回実行 */
  8. void function2(int n2){int i2,j2,k2,count2=0;for(i2=n2/2;i2<=n2;i2++)for(j2=1;j2+n2/2<=n2;j2=j2++)for(k2=1;k2<=n2;k2=k2*2)count2++;}
  9. /* 外部ループはn/2回実行 */ /* 中間ループはlogn回実行 */ /* 外部ループはlogn回実行 */  /* 計算量：O(nlog**2,n) */
  10. void function3(int n3){int i3,j3,k3,count3=0;for(i3=n3/2;i3<=n3;i3++)for(j3=1;j3<=n3;j3=2*j3)for(k3=1;k3<=n3;k3=k3*2)count3++;}
  11.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
Standard input is empty
stdout 
hello world
https://ideone.com/oWoBUj
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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