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  1. #include<iostream>
  2. using namespace std;
  3. int c[120000],d[120000];
  4. int N,Q,q,l,r;
  5. int main(){
  6. 	cin>>N>>Q;
  7. 	for(int i=0;i<Q;i++){
  8. 		cin>>q>>l>>r;
  9. 		if(q==1){c[l]++;c[r]--;}
  10. 		else{
  11. 			for(int i=0;i<N;i++){
  12. 				if(i==0){d[i]=c[i];}
  13. 				else{d[i]=d[i-1]+c[i];}
  14. 			}
  15. 			for(int i=0;i<N;i++){d[i]%=2;}
  16. 			int sum=0;
  17. 			for(int i=l;i<r;i++){sum+=d[i];}
  18. 			cout<<sum<<endl;
  19. 		}
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4352KB
comments (?)
stdin
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8 4
1 3 7
2 2 5
1 2 4
2 1 6
stdout
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2
3
https://ideone.com/fnSVDz
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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