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  1. #define NMAX 100010
  2.  
  3. int tree[NMAX];
  4. int N;
  5.  
  6. int read(int x){
  7. 	int sum = 0;
  8. 	for(; x; x -= (x&-x)){
  9. 		sum += tree[x];
  10. 	}
  11.  
  12. 	return sum;
  13. }
  14.  
  15. void update(int x, int val){
  16. 	for(; x < N; x += (x&-x)){
  17. 		tree[x] += val;
  18. 	}
  19. }
  20.  
  21. int query(int i, int j){
  22. 	return read(j)-read(i-1);
  23. }
  24.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
/usr/lib/gcc/i586-linux-gnu/5/../../../i386-linux-gnu/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/asgRZ5
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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