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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 cnv[101];
  10. class Solution{
  11.   public:
  12.   bool canFormArray(vector<int>& arr, vector<vector<int>>& pieces){
  13.     int i;
  14.     int j;
  15.     int k = 0;
  16.     for(i=(0);i<(101);i++){
  17.       cnv[i] = -1;
  18.     }
  19.     for(i=(0);i<(arr.size());i++){
  20.       cnv[arr[i]] = i;
  21.     }
  22.     for(i=(0);i<(pieces.size());i++){
  23.       for(j=(0);j<(pieces[i].size());j++){
  24.         pieces[i][j] = cnv[pieces[i][j]];
  25.       }
  26.     }
  27.     sort(pieces.begin(), pieces.end());
  28.     for(i=(0);i<(pieces.size());i++){
  29.       for(j=(0);j<(pieces[i].size());j++){
  30.         if(pieces[i][j] != k){
  31.           return false;
  32.         }
  33.         k++;
  34.       }
  35.     }
  36.     return true;
  37.   }
  38. }
  39. ;
  40. // cLay varsion 20201101-1
  41.  
  42. // --- original code ---
  43. // #define main dummy_main
  44. // {}
  45. // #undef main
  46. // 
  47. // int cnv[101];
  48. // 
  49. // class Solution {
  50. // public:
  51. //   bool canFormArray(vector<int>& arr, vector<vector<int>>& pieces) {
  52. //     int i, j, k = 0;
  53. //     rep(i,101) cnv[i] = -1;
  54. //     rep(i,arr.size()) cnv[arr[i]] = i;
  55. //     rep(i,pieces.size()) rep(j,pieces[i].size()) pieces[i][j] = cnv[pieces[i][j]];
  56. //     sort(pieces.begin(), pieces.end());
  57. //     rep(i,pieces.size()) rep(j,pieces[i].size()){
  58. //       if(pieces[i][j] != k) return false;
  59. //       k++;
  60. //     }
  61. //     return true;
  62. //   }
  63. // };
  64.  
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/ojjFHO
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
secret

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