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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <cstring>
  4. #include <algorithm>
  5. using namespace std;
  6.  
  7. int main() {
  8. 	int a[50], b[50], cnt, flag;
  9. 	char s1[1005], s2[1005];
  10. 	memset(a, 0, sizeof(a));
  11. 	memset(b, 0, sizeof(b));
  12. 	cnt=flag=0;
  13. 	scanf("%s%s", s1, s2);
  14. 	for(int i=0; i<strlen(s1); i++) a[s1[i]-97]++;
  15. 	for(int i=0; i<strlen(s2); i++) b[s2[i]-97]++;
  16. 	for(int i=0; i<50; i++) {
  17. 		cnt+=min(a[i], b[i]);
  18. 		if(a[i]==0 && b[i]>0) {
  19. 			flag=1;
  20. 			break;
  21. 		}
  22. 	}
  23. 	if(flag) printf("-1");
  24. 	else printf("%d", cnt);
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 3344KB
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-1
https://ideone.com/2Ls7nn
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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