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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 s[30000+1];
  10. class Solution{
  11.   public:
  12.   vector<int> xorQueries(vector<int>& arr, vector<vector<int>>& q){
  13.     int i;
  14.     vector<int> res;
  15.     s[0] = 0;
  16.     for(i=(0);i<(arr.size());i++){
  17.       s[i+1] = s[i] ^ arr[i];
  18.     }
  19.     for(i=(0);i<(q.size());i++){
  20.       res.push_back(s[q[i][0]]^s[q[i][1]+1]);
  21.     }
  22.     return res;
  23.   }
  24. }
  25. ;
  26. // cLay varsion 20200112-1
  27.  
  28. // --- original code ---
  29. // #define main dummy_main
  30. // {}
  31. // #undef main
  32. // 
  33. // int s[3d4+1];
  34. // 
  35. // class Solution {
  36. // public:
  37. //   vector<int> xorQueries(vector<int>& arr, vector<vector<int>>& q) {
  38. //     vector<int> res;
  39. //     s[0] = 0;
  40. //     rep(i,arr.size()) s[i+1] = s[i] ^ arr[i];
  41. //     rep(i,q.size()) res.push_back(s[q[i][0]]^s[q[i][1]+1]);
  42. //     return res;
  43. //   }
  44. // };
  45.  
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/CfK3U1
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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