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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.   int subtractProductAndSum(int n){
  12.     int arr[10];
  13.     int sz = 0;
  14.     while(n){
  15.       arr[sz++] = n % 10;
  16.       n /= 10;
  17.     }
  18.     {
  19.       int Q5VJL1cS;
  20.       int e98WHCEY;
  21.       if(sz==0){
  22.         e98WHCEY = 0;
  23.       }
  24.       else{
  25.         e98WHCEY = arr[0];
  26.         for(Q5VJL1cS=(1);Q5VJL1cS<(sz);Q5VJL1cS++){
  27.           e98WHCEY += arr[Q5VJL1cS];
  28.         }
  29.       }
  30.       {
  31.         int FmcKpFmN;
  32.         int xr20shxY;
  33.         if(sz==0){
  34.           xr20shxY = 1;
  35.         }
  36.         else{
  37.           xr20shxY = arr[0];
  38.           for(FmcKpFmN=(1);FmcKpFmN<(sz);FmcKpFmN++){
  39.             xr20shxY *= arr[FmcKpFmN];
  40.           }
  41.         }
  42.         return xr20shxY-e98WHCEY;
  43.       }
  44.     }
  45.   }
  46. }
  47. ;
  48. // cLay varsion 20191214-1
  49.  
  50. // --- original code ---
  51. // #define main dummy_main
  52. // {}
  53. // #undef main
  54. // 
  55. // class Solution {
  56. // public:
  57. //   int subtractProductAndSum(int n) {
  58. //     int arr[10], sz = 0;
  59. //     while(n) arr[sz++] = n % 10, n /= 10;
  60. //     return mul(arr(sz)) - sum(arr(sz));
  61. //   }
  62. // };
  63.  
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/l2t6Tw
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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