fork download
copy 
  1. #include <stdio.h>
  2. #include <math.h>
  3. #include <string.h>
  4.  
  5. void solve(char c[]){
  6. 	int ok = 0;
  7. 	for(int i = 0; i < strlen(c); i++){
  8. 		if(c[i] == '1') ok = 1;
  9. 		else if(!(c[i] == '0' || c[i] == '8' || c[i] == '9')){
  10. 			ok = 0;
  11. 			break;
  12. 		}
  13. 	}
  14. 	if(!ok){
  15. 		printf("INVALID\n");
  16. 		return ;
  17. 	}
  18. 	ok = 0;
  19. 	for(int i = 0; i < strlen(c); i ++){
  20. 		if(c[i] == '1'){
  21. 			printf("1");
  22. 			ok = 1;
  23. 		}
  24. 		else if(ok != 0){
  25. 			printf("0");
  26. 		}
  27. 	}
  28. 	printf("\n");	
  29. }
  30.  
  31. int main(){
  32. 	int t;
  33. 	scanf("%d", &t);
  34. 	while(t--){
  35. 		char c[20];
  36. 		scanf("%s",c);
  37. 		solve(c);
  38. 	}
  39. }
Success #stdin #stdout 0.01s 5504KB
comments (?)
stdin
copy 
2
8919
19234
stdout
copy 
10
INVALID
https://ideone.com/fepN6w
Minh - Số cắt đôi
language:
C++ (gcc 8.3)
created:
1 year 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!