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  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. template<class T> vector<vector<T>> Rot90(vector<vector<T>> a){
  7.   int i;
  8.   int j;
  9.   int x;
  10.   int y;
  11.   x = a.size();
  12.   y = a[0].size();
  13.   vector<vector<T>> b(y, vector<T>(x));
  14.   for(i=(0);i<(x);i++){
  15.     for(j=(0);j<(y);j++){
  16.       b[j][x-1-i] = a[i][j];
  17.     }
  18.   }
  19.   return b;
  20. }
  21. #define main dummy_main
  22. int main(){
  23.   return 0;
  24. }
  25. #undef main
  26. class Solution{
  27.   public:
  28.   bool findRotation(vector<vector<int>>& mat, vector<vector<int>>& target){
  29.     int Lj4PdHRW;
  30.     for(Lj4PdHRW=(0);Lj4PdHRW<(4);Lj4PdHRW++){
  31.       if(mat==target){
  32.         return true;
  33.       }
  34.       mat = Rot90(mat);
  35.     }
  36.     return false;
  37.   }
  38. }
  39. ;
  40. // cLay version 20210607-1
  41.  
  42. // --- original code ---
  43. // #define main dummy_main
  44. // {}
  45. // #undef main
  46. // 
  47. // class Solution {
  48. // public:
  49. //   bool findRotation(vector<vector<int>>& mat, vector<vector<int>>& target) {
  50. //     rep(4){
  51. //       if(mat==target) return true;
  52. //       mat = Rot90(mat);
  53. //     }
  54. //     return false;
  55. //   }
  56. // };
  57.  
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/YMtO3l
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

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