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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>> queensAttacktheKing(vector<vector<int>>& Q, vector<int>& K){
  12.     int dx, i;
  13.     int x;
  14.     int y;
  15.     int mp[8][8] = {};
  16.     vector<vector<int>> res;
  17.     for(i=(0);i<(Q.size());i++){
  18.       mp[Q[i][0]][Q[i][1]] = 1;
  19.     }
  20.     for(dx=(-1);dx<(2);dx++){
  21.       int dy;
  22.       for(dy=(-1);dy<(2);dy++){
  23.         if(dx || dy){
  24.           x = K[0];
  25.           y = K[1];
  26.           for(;;){
  27.             x += dx;
  28.             y += dy;
  29.             if(x < 0 || x >= 8 || y < 0 || y >= 8){
  30.               break;
  31.             }
  32.             if(mp[x][y]){
  33.               res.push_back({x,y});
  34.               break;
  35.             }
  36.           }
  37.         }
  38.       }
  39.     }
  40.     return res;
  41.   }
  42. }
  43. ;
  44. // cLay varsion 20191102-1
  45.  
  46. // --- original code ---
  47. // #define main dummy_main
  48. // {}
  49. // #undef main
  50. // 
  51. // class Solution {
  52. // public:
  53. //   vector<vector<int>> queensAttacktheKing(vector<vector<int>>& Q, vector<int>& K) {
  54. //     int x, y;
  55. //     int mp[8][8] = {};
  56. //     vector<vector<int>> res;
  57. //     rep(i,Q.size()) mp[Q[i][0]][Q[i][1]] = 1;
  58. // 
  59. //     rep(dx,-1,2) rep(dy,-1,2) if(dx || dy){
  60. //       x = K[0];
  61. //       y = K[1];
  62. //       for(;;){
  63. //         x += dx;
  64. //         y += dy;
  65. //         if(x < 0 || x >= 8 || y < 0 || y >= 8) break;
  66. //         if(mp[x][y]) res.push_back({x,y}), break;
  67. //       }
  68. //     }
  69. //     return res;
  70. //   }
  71. // };
  72.  
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/tE5U4q
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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