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  1. #include <stdio.h>
  2. int N, Q, c, l, r, a[111111];
  3. int main() {
  4. 	scanf("%d%d", &N, &Q);
  5. 	for(int i = 0; i < Q; i++) {
  6. 		scanf("%d%d%d", &c, &l, &r);
  7. 		if(c == 1) {
  8. 			for(int j = l; j < r; j++) a[j] = a[j] ? 0 : 1;
  9. 		}
  10. 		else {
  11. 			int ret = 0;
  12. 			for(int j = l; j < r; j++) ret += a[j];
  13. 			printf("%d\n", ret);
  14. 		}
  15. 	}
  16. }
Success #stdin #stdout 0s 3892KB
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/aMg9EK
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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