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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4. #define int long long
  5. #define pb push_back
  6. #define fi first
  7. #define se second
  8. #define nn '\n'
  9. #define pi pair<ll,ll>
  10. #define unmp unordered_map
  11. #define uns unordered_set
  12. #define TASK ""
  13. int mod = 1e9+7;
  14. const int N = 1e6 + 5;
  15. int MOD = 998244353;
  16. int bit[200000];
  17. map<string, int> mp;
  18. int c = 1;
  19. string n;
  20. signed main() {
  21.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  22.     if(fopen(TASK".INP","r")){
  23.             freopen(TASK".INP","r",stdin);
  24.             freopen(TASK".OUT","w",stdout);
  25.     }
  26.     for(char i = 'a'; i <= 'z'; i++){
  27.         string s = "";
  28.         s += i;
  29.         mp[s] = c;
  30.         c++;
  31.     }
  32.     for(char i = 'a'; i <= 'z'; i++){
  33.         for(char j = i + 1; j <= 'z'; j++){
  34.             string s = "";
  35.             s += i; s += j;
  36.             mp[s] = c;
  37.             c++;
  38.         }
  39.     }
  40.     for(char i = 'a'; i <= 'z'; i++){
  41.         for(char j = i + 1; j <= 'z'; j++){
  42.             for(char k = j + 1; k <= 'z'; k++){
  43.                 string s = "";
  44.                 s += i; s += j; s += k;
  45.                 mp[s] = c;
  46.                 c++;
  47.              }
  48.         }
  49.     }
  50.     for(char i = 'a'; i <= 'z'; i++){
  51.         for(char j = i + 1; j <= 'z'; j++){
  52.             for(char k = j + 1; k <= 'z'; k++){
  53.                 for(char q = k + 1; q <= 'z'; q++){
  54.                     string s = "";
  55.                     s += i; s += j; s += k; s += q;
  56.                     mp[s] = c;
  57.                     c++;
  58.                 }
  59.             }
  60.         }
  61.     }
  62.     for(char i = 'a'; i <= 'z'; i++){
  63.         for(char j = i + 1; j <= 'z'; j++){
  64.             for(char k = j + 1; k <= 'z'; k++){
  65.                 for(char q = k + 1; q <= 'z'; q++){
  66.                     for(char f = q + 1; f <= 'z'; f++){
  67.                         string s = "";
  68.                         s += i; s += j; s += k; s += q; s += f;
  69.                         mp[s] = c;
  70.                         c++;
  71.                     }
  72.                 }
  73.             }
  74.         }
  75.     }
  76.     while(cin >> n){
  77.         if(!mp.count(n)){
  78.             cout << 0 << nn;
  79.         }
  80.         else{
  81.             cout << mp[n] << nn;
  82.         }
  83.     }
  84.     return 0;
  85. }
  86.  
Success #stdin #stdout 0.06s 10092KB
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https://ideone.com/1U2Gbd
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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