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  1. #pragma GCC optimize ("Ofast")
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4. #define main dummy_main
  5. int main(){
  6. return 0;
  7. }
  8. #undef main
  9. class Solution{
  10. public:
  11. bool canConstruct(string s, int k){
  12. int i;
  13. int odd = 0;
  14. int cnt[26] = {};
  15. for(i=(0);i<(s.size());i++){
  16. cnt[s[i]-'a']++;
  17. }
  18. for(i=(0);i<(26);i++){
  19. odd += cnt[i]%2;
  20. }
  21. return odd <= k && k <= s.size();
  22. }
  23. }
  24. ;
  25. // cLay varsion 20200408-1
  26.  
  27. // --- original code ---
  28. // #define main dummy_main
  29. // {}
  30. // #undef main
  31. //
  32. // class Solution {
  33. // public:
  34. // bool canConstruct(string s, int k) {
  35. // int odd = 0, cnt[26] = {};
  36. // rep(i,s.size()) cnt[s[i]-'a']++;
  37. // rep(i,26) odd += cnt[i]%2;
  38. // return odd <= k <= s.size();
  39. // }
  40. // };
  41.  
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x20): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
Standard output is empty