fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int cnt[100005];
  4. int main() {
  5. 	int num ; scanf("%d",&num);
  6. 	int a[num + 2];
  7. 	for(int i = 0  ; i < num ; i++){
  8. 		scanf("%d",&a[i]);
  9. 		cnt[a[i]]++ ;
  10. 	}
  11.  
  12. 	for(int i = 0 ; i < num; i++){
  13. 		if(cnt[a[i]] != 0){
  14. 			printf("%d %d\n", a[i], cnt[a[i]]);
  15. 			cnt[a[i]] = 0 ;
  16. 		}
  17. 	}
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin
copy 
7
3 2 3 4 2 1 4
stdout
copy 
3 2
2 2
4 2
1 1
https://ideone.com/Ngc5OK
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!