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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4.  
  5. void shift_positives(int values[], int num_values) {
  6.     int left = 0;
  7.     int temppoint=-1;
  8.  for (int right = 0; right < num_values; right++)
  9.      if (values[right] > 0)
  10.          temppoint=(temppoint==-1)?right:temppoint;
  11.      else if(temppoint!=-1)
  12.          {
  13.          memcpy(values+left,values+temppoint,sizeof(int)*(right-temppoint));
  14.          left+=right-temppoint;
  15.          temppoint=-1;
  16.          }
  17.     memset(values+left,0,sizeof(int)*(num_values-left+1));
  18. }
  19.  
  20. int main(void) {
  21. 	int data[] = {1,0,99,-1,-2,3,-5};
  22. 	shift_positives(data, 7);
  23. 	for (int i = 0; i < 7; i++) {
  24. 		printf("%d -> %d\n", i, data[i]);
  25. 	}
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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0 -> 1
1 -> 99
2 -> 3
3 -> 0
4 -> 0
5 -> 0
6 -> 0
https://ideone.com/opv1Xd
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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