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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. int d[2001];
  10. int cnt[1001];
  11. class Solution{
  12.   public:
  13.   bool uniqueOccurrences(vector<int>& arr){
  14.     int i;
  15.     for(i=(0);i<(2001);i++){
  16.       d[i] = 0;
  17.     }
  18.     for(i=(0);i<(1001);i++){
  19.       cnt[i] = 0;
  20.     }
  21.     for(i=(0);i<(arr.size());i++){
  22.       d[arr[i]+1000]++;
  23.     }
  24.     for(i=(0);i<(2001);i++){
  25.       cnt[d[i]]++;
  26.     }
  27.     for(i=(1);i<(1001);i++){
  28.       if(cnt[i] > 1){
  29.         return false;
  30.       }
  31.     }
  32.     return true;
  33.   }
  34. }
  35. ;
  36. // cLay varsion 20191006-1
  37.  
  38. // --- original code ---
  39. // #define main dummy_main
  40. // {}
  41. // #undef main
  42. // 
  43. // int d[2001], cnt[1001];
  44. // 
  45. // class Solution {
  46. // public:
  47. //   bool uniqueOccurrences(vector<int>& arr) {
  48. //     rep(i,2001) d[i] = 0;
  49. //     rep(i,1001) cnt[i] = 0;
  50. //     rep(i,arr.size()) d[arr[i]+1000]++;
  51. //     rep(i,2001) cnt[d[i]]++;
  52. //     rep(i,1,1001) if(cnt[i] > 1) return false;
  53. //     return true;
  54. //   }
  55. // };
  56.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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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
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Standard output is empty
https://ideone.com/eEai1P
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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