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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 countSubstrings(string s, string t){
  12.     int i;
  13.     int j;
  14.     int k;
  15.     int f;
  16.     int res = 0;
  17.     for(i=(0);i<(s.size());i++){
  18.       for(j=(0);j<(t.size());j++){
  19.         for(k=0,f=0; i+k<s.size() && j+k<t.size(); k++){
  20.           if(s[i+k] != t[j+k]){
  21.             f++;
  22.           }
  23.           if(f >= 2){
  24.             break;
  25.           }
  26.           res += f;
  27.         }
  28.       }
  29.     }
  30.     return res;
  31.   }
  32. }
  33. ;
  34. // cLay varsion 20201031-1
  35.  
  36. // --- original code ---
  37. // #define main dummy_main
  38. // {}
  39. // #undef main
  40. // 
  41. // class Solution {
  42. // public:
  43. //   int countSubstrings(string s, string t) {
  44. //     int i, j, k, f, res = 0;
  45. //     rep(i,s.size()) rep(j,t.size()){
  46. //       for(k=0,f=0; i+k<s.size() && j+k<t.size(); k++){
  47. //         if(s[i+k] != t[j+k]) f++;
  48. //         if(f >= 2) break;
  49. //         res += f;
  50. //       }
  51. //     }
  52. //     return res;
  53. //   }
  54. // };
  55.  
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/z3Ee4h
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
secret

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