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  1. #include<iostream>
  2. using namespace std;
  3. int main(){
  4. 	int a , b , tot=0;
  5. 	cin >> a >> b;
  6. 	for(int i=a ; i<=b ; ++i){
  7. 		cout << i << "+="[i==b],tot+=i;
  8. 	}
  9. 	cout << tot;
  10. }
Success #stdin #stdout 0s 4524KB
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stdin
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1 7
stdout
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1+2+3+4+5+6+7=28
https://ideone.com/wuycAI
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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