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  1. #pragma GCC optimize ("Ofast")
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4. template<class S, class T> inline S divup_L(S a, T b){
  5.   return (a+b-1)/b;
  6. }
  7. template<class S, class T> inline S chmax(S &a, T b){
  8.   if(a<b){
  9.     a=b;
  10.   }
  11.   return a;
  12. }
  13. #define main dummy_main
  14. int main(){
  15.   return 0;
  16. }
  17. #undef main
  18. class Solution{
  19.   public:
  20.   int minKnightMoves(int x, int y){
  21.     int res = 0;
  22.     x = abs(x);
  23.     y = abs(y);
  24.     if(x+y==1){
  25.       return 3;
  26.     }
  27.     if(x==y && y==2){
  28.       return 4;
  29.     }
  30.     chmax(res,divup_L(x,2));
  31.     chmax(res,divup_L(y,2));
  32.     chmax(res,divup_L((x+y),3));
  33.     if(res % 2 != (x+y) % 2){
  34.       res++;
  35.     }
  36.     return res;
  37.   }
  38. }
  39. ;
  40. // cLay varsion 20190921-1
  41.  
  42. // --- original code ---
  43. // #define main dummy_main
  44. // {}
  45. // #undef main
  46. // 
  47. // class Solution {
  48. // public:
  49. //   int minKnightMoves(int x, int y) {
  50. //     int res = 0;
  51. //     x = abs(x);
  52. //     y = abs(y);
  53. //     if(x+y==1) return 3;
  54. //     if(x==y==2) return 4;
  55. //     res >?= x /+ 2;
  56. //     res >?= y /+ 2;
  57. //     res >?= (x+y) /+ 3;
  58. //     if(res % 2 != (x+y) % 2) res++;
  59. //     return res;
  60. //   }
  61. // };
  62.  
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/2xOp28
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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