fork download
copy 
  1. #include <iostream>
  2. #include <cstdio>
  3. #include <cstring>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int t, cnt;
  8. 	char s[1000000];
  9. 	scanf("%d", &t);
  10. 	while(t--) {
  11. 		scanf("%s", s);
  12. 		cnt=0;
  13. 		for(int i=0; i<strlen(s); i++) if(s[i]!='4' && s[i]!='7') cnt++;
  14. 		printf("%d\n", cnt);
  15. 	}
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 4200KB
comments (?)
stdin
copy 
3
25
46
99
stdout
copy 
2
1
2
https://ideone.com/O9tKEU
language:
C++ (gcc 8.3)
created:
10 years 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!