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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define main dummy_main
  4. int main(){
  5.   return 0;
  6. }
  7. #undef main
  8. class Solution{
  9.   public:
  10.   int longestDecomposition(string S){
  11.     int fg, i, j, res=0;
  12.     for(;;){
  13.       fg = 0;
  14.       for(i=1;2*i<=S.size();i++){
  15.         if(S.substr(0,i) == S.substr(S.size()-i,i)){
  16.           res+=2;
  17.           S = S.substr(i,S.size()-2*i);
  18.           fg = 1;
  19.           break;
  20.         }
  21.       }
  22.       if(fg==0){
  23.         if(S.size()){
  24.           res++;
  25.         }
  26.         break;
  27.       }
  28.     }
  29.     return res;
  30.   }
  31. }
  32. ;
  33. // cLay varsion 20190810-2
  34.  
  35. // --- original code ---
  36. // #define main dummy_main
  37. // {}
  38. // #undef main
  39. // 
  40. // class Solution {
  41. // public:
  42. //   int longestDecomposition(string S) {
  43. //     int i, j, fg, res = 0;
  44. // 
  45. //     for(;;){
  46. //       fg = 0;
  47. //       for(i=1;2i<=S.size();i++){
  48. //         if(S.substr(0,i) == S.substr(S.size()-i,i)){
  49. //           res+=2;
  50. //           S = S.substr(i,S.size()-2i);
  51. //           fg = 1;
  52. //           break;
  53. //         }
  54. //       }
  55. //       if(fg==0){
  56. //         if(S.size()) res++;
  57. //         break;
  58. //       }
  59. //     }
  60. //     
  61. //     return res;
  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/vMfHV6
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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