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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.   int findLucky(vector<int>& arr){
  12.     int i;
  13.     int cnt[501] = {};
  14.     int N = arr.size();
  15.     for(i=(0);i<(N);i++){
  16.       cnt[arr[i]]++;
  17.     }
  18.     for(i=(501)-1;i>=(1);i--){
  19.       if(cnt[i]==i){
  20.         return i;
  21.       }
  22.     }
  23.     return -1;
  24.   }
  25. }
  26. ;
  27. // cLay varsion 20200325-1
  28.  
  29. // --- original code ---
  30. // #define main dummy_main
  31. // {}
  32. // #undef main
  33. // 
  34. // class Solution {
  35. // public:
  36. //   int findLucky(vector<int>& arr) {
  37. //     int cnt[501] = {}, N = arr.size();
  38. //     rep(i,N) cnt[arr[i]]++;
  39. //     rrep(i,1,501) if(cnt[i]==i) return i;
  40. //     return -1;
  41. //   }
  42. // };
  43.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
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
https://ideone.com/JSRPu5
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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