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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int n ; cin>>n;
  7. 	for(int i=1;i<=n;i++){
  8. 		int sum =0;
  9.  
  10. 		for(int j =1;j<=i;j++){
  11. 			sum+=j;
  12. 			if(j!=i){
  13. 				cout<<j<<"+";
  14.  
  15. 		        continue;
  16. 			}
  17. 			cout<<j<<"=";
  18.  
  19. 			cout<<sum;
  20.  
  21.  
  22. 		}
  23. 		cout<<endl;
  24. 	}
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
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5
stdout
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1=1
1+2=3
1+2+3=6
1+2+3+4=10
1+2+3+4+5=15
https://ideone.com/M9IMdQ
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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