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  1. # include <stdio.h>
  2.  
  3. void myStrcat(char s[], char t[]){
  4. int i;
  5. for(i=0;s[i]='\0';i++){
  6. s[i]+t[i];
  7. }
  8. }
  9.  
  10. int main(){
  11. char s[100];
  12. char t[100];
  13. scanf("%s %s",s,t);
  14. printf("%s + %s",s,t);
  15. myStrcat(s,t);
  16. printf(" -> %s\n",s);
  17. return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5288KB
stdin
abc def
stdout
abc + def ->