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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. class Solution{
  10.   public:
  11.   vector<vector<int>> reconstructMatrix(int upper, int lower, vector<int>& colsum){
  12.     int i;
  13.     int N = colsum.size();
  14.     vector<int> tmp(N);
  15.     vector<vector<int>> res{tmp, tmp};
  16.     vector<vector<int>> empty;
  17.     for(i=(0);i<(N);i++){
  18.       if(colsum[i]==2){
  19.         res[0][i] = res[1][i] = 1;
  20.         upper--;
  21.         lower--;
  22.       }
  23.     }
  24.     for(i=(0);i<(N);i++){
  25.       if(colsum[i]==1){
  26.         if(upper > 0){
  27.           upper--;
  28.           res[0][i] = 1;
  29.           continue;
  30.         }
  31.         lower--;
  32.         res[1][i] = 1;
  33.       }
  34.     }
  35.     if(upper || lower){
  36.       return empty;
  37.     }
  38.     return res;
  39.   }
  40. }
  41. ;
  42. // cLay varsion 20191108-1
  43.  
  44. // --- original code ---
  45. // #define main dummy_main
  46. // {}
  47. // #undef main
  48. // 
  49. // class Solution {
  50. // public:
  51. //   vector<vector<int>> reconstructMatrix(int upper, int lower, vector<int>& colsum) {
  52. //     int N = colsum.size();
  53. //     vector<int> tmp(N);
  54. //     vector<vector<int>> res{tmp, tmp}, empty;
  55. // 
  56. //     rep(i,N) if(colsum[i]==2){
  57. //       res[0][i] = res[1][i] = 1;
  58. //       upper--;
  59. //       lower--;
  60. //     }
  61. // 
  62. //     rep(i,N) if(colsum[i]==1){
  63. //       if(upper > 0) upper--, res[0][i] = 1, continue;
  64. //       lower--, res[1][i] = 1;
  65. //     }
  66. // 
  67. //     if(upper || lower) return empty;
  68. //     return res;
  69. //   }
  70. // };
  71.  
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/fD2sAp
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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