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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int solve(vector<int>& a){
  5. 	int n = a.size();
  6. 	int totalSum = accumulate(a.begin(),a.end(),0);
  7. 	if(totalSum%2!=0)return 0;
  8. 	int lhs = 0;
  9. 	int c=0;
  10. 	for(int i=0;i<n-1;i++){
  11. 		lhs += a[i];
  12. 		if(lhs == totalSum/2)c++;
  13. 	}
  14. 	return c;
  15. }
  16.  
  17. int main() {
  18. 	int n;
  19. 	cin>>n;
  20.  
  21. 	vector<int>a(n);
  22. 	for(int i=0;i<n;i++){
  23. 		cin>>a[i];
  24. 	}
  25.  
  26. 	cout << solve(a);
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 5292KB
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https://ideone.com/1iPNyU
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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