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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 N;
  10. int cnt[50001];
  11. class Solution{
  12.   public:
  13.   int numberOfSubarrays(vector<int>& nums, int k){
  14.     int i;
  15.     int j = 0;
  16.     int res = 0;
  17.     N = nums.size();
  18.     for(i=(0);i<(N+1);i++){
  19.       cnt[i] = 0;
  20.     }
  21.     cnt[j]++;
  22.     for(i=(0);i<(N);i++){
  23.       j += nums[i]%2;
  24.       cnt[j]++;
  25.     }
  26.     for(i=(k);i<(N+1);i++){
  27.       res += cnt[i] * cnt[i-k];
  28.     }
  29.     return res;
  30.   }
  31. }
  32. ;
  33. // cLay varsion 20191102-1
  34.  
  35. // --- original code ---
  36. // #define main dummy_main
  37. // {}
  38. // #undef main
  39. // 
  40. // int N, cnt[50001];
  41. // 
  42. // class Solution {
  43. // public:
  44. //   int numberOfSubarrays(vector<int>& nums, int k) {
  45. //     int i, j = 0, res = 0;
  46. //     N = nums.size();
  47. // 
  48. //     rep(i,N+1) cnt[i] = 0;
  49. //     cnt[j]++;
  50. //     rep(i,N) j += nums[i]%2, cnt[j]++;
  51. // 
  52. //     rep(i,k,N+1) res += cnt[i] * cnt[i-k];
  53. //     return res;
  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/07V7Om
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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