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  1. #include <iostream>
  2. #include <string>
  3. #include <cstdio>
  4. using namespace std;
  5. unsigned long long comp(string s2)
  6. {
  7.     long long i,a;
  8.     a = 0;
  9.     for(i=0;i<s2.size();i++){
  10.         a = a*10 + (s2[i]-48);
  11.     }
  12.     return a;
  13. }
  14. int main()
  15. {
  16.     string s,s1,s2;
  17.     unsigned long long max,flag,j,i,p,a,ans;
  18.  
  19.     cin >> s;
  20.     p = s.size();
  21.     s1 = "";
  22.     max = 0;
  23.     for(i=0;i<p;i++){
  24.         s2 = "";
  25.         flag = 0;
  26.         for(j=i;j<p;j++){
  27.  
  28.             if(s[j] >= 65 && s[j] <= 90){
  29.                 if(flag){
  30.                     a = comp(s2);
  31.                     if(a > max){
  32.                         s1 = s2;
  33.                         max = a;
  34.                     }
  35.                     break;
  36.                 }
  37.                 s2 += "9";
  38.                 flag = 1;
  39.             }else{
  40.                 s2 += s[j];
  41.             }
  42.         }
  43.         if(j==p){
  44.             a = comp(s2);
  45.             if(a > max){
  46.                     s1 = s2;
  47.                     max = a;
  48.             }
  49.         }
  50.     }
  51.     printf("%llu\n",max);
  52.     return 0;
  53. }
  54.  
Success #stdin #stdout 0s 2860KB
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https://ideone.com/S6AwdE
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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