fork download 
  1. #pragma GCC optimize("Ofast")
  2. #pragma GCC optimize("unroll-loops")
  3. #pragma GCC optimize("inline")
  4. #include<bits/stdc++.h>
  5. using namespace std;
  6. #define main dummy_main
  7. int main(){
  8.   return 0;
  9. }
  10. #undef main
  11. class Solution{
  12.   public:
  13.   vector<vector<int>> findWinners(vector<vector<int>>& A){
  14.     int i;
  15.     vector<vector<int>> res(2);
  16.     static int wn[100000+1];
  17.     static int ls[100000+1];
  18.     for(i=(0);i<(100000+1);i++){
  19.       wn[i] = ls[i] = 0;
  20.     }
  21.     for(vector<int> a : A){
  22.       wn[a[0]]++;
  23.       ls[a[1]]++;
  24.     }
  25.     for(i=(0);i<(100000+1);i++){
  26.       if(wn[i]+ls[i]){
  27.         if(ls[i]==0){
  28.           res[0].push_back(i);
  29.         }
  30.         if(ls[i]==1){
  31.           res[1].push_back(i);
  32.         }
  33.       }
  34.     }
  35.     return res;
  36.   }
  37. }
  38. ;
  39. // cLay version 20220312-1
  40.  
  41. // --- original code ---
  42. // #define main dummy_main
  43. // {}
  44. // #undef main
  45. // 
  46. // class Solution {
  47. // public:
  48. //   VVI findWinners(VVI& A) {
  49. //     VVI res(2);
  50. //     static int wn[1d5+1], ls[1d5+1];
  51. //     rep(i,1d5+1) wn[i] = ls[i] = 0;
  52. //     for(VI a : A) wn[a[0]]++, ls[a[1]]++;
  53. //     rep(i,1d5+1) if(wn[i]+ls[i]){
  54. //       if(ls[i]==0) res[0].push_back(i);
  55. //       if(ls[i]==1) res[1].push_back(i);
  56. //     }
  57. //     return res;
  58. //   }
  59. // };
  60.  
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/vrwhKq
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!