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  1. #pragma GCC optimize ("O3")
  2. #pragma GCC target ("sse4")
  3. // #include<bits/stdc++.h>
  4. #include <iostream>
  5. #include <cstdio>
  6. #include <cstdlib>
  7. #include <algorithm>
  8. #include <cmath>
  9. #include <vector>
  10. #include <list>
  11. #include <set>
  12. #include <map>
  13. #include <unordered_set>
  14. #include <unordered_map>
  15. #include <queue>
  16. #include <ctime>
  17. #include <cassert>
  18. #include <complex>
  19. #include <stack>
  20. #include <string>
  21. #include <cstring>
  22. #include <chrono>
  23. #include <random>
  24. #include <bitset>
  25. #include <sstream>
  26. #include <iomanip>
  27. using namespace std;
  28.  
  29.  
  30. #define int int64_t
  31. #define vi vector<int>
  32. #define vb vector<bool>
  33. #define vbb vector< vector<bool> >
  34. #define all(x) (x).begin(), (x).end()
  35. #define vii vector< vector<int> >
  36. #define rip(dp, n, m) vector< vector<int> > dp(n, vector<int>(m,0))
  37. #define ff first
  38. #define ss second
  39. #define pii pair<int64_t, int64_t>
  40. #define miv map<int, vector<int> >
  41. #define mp make_pair
  42. #define pb push_back
  43. #define prr(x) cout << (#x) <<'	' << (x) << endl
  44. #define pr(x) cout  << (x) << endl
  45. #define f(i,n) for(i=0;i<n;i++)
  46. #define pqb priority_queue<int>
  47. #define pqs priority_queue<int,vi,greater<int> >
  48. #define setbits(x)  __builtin_popcountll(x)
  49. #define zrobits(x)  __builtin_ctzll(x)
  50. #define mod 1000000007
  51. #define inf 1e18
  52. #define ps(x,y) fixed<<setprecision(y)<<x
  53. #define mk(arr,n,type)  type *arr=new type[n];
  54. #define w(x) int x; cin>>x; while(x--)
  55. #define FIO  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
  56. mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
  57.  
  58. int32_t main()
  59. {
  60.     FIO;
  61.     int i, n, j, m, k, l, t;
  62.     cin >> t;
  63.     while(t--)
  64.     {
  65.         cin >> n;
  66.         string s;cin >> s;
  67.         string s1="abacaba";
  68.         k=0;
  69.         for(i=0;i<=n-s1.length();i++)
  70.         {
  71.             string ss = s.substr(i, s1.length());
  72.             bool bb=true;
  73.             for(j=0;j<s1.length();j++)
  74.                  if(ss[j]!=s1[j]) bb=false;
  75.  
  76.             if(bb)
  77.                 k++;
  78.  
  79.         }
  80.  
  81.  
  82.         if(k>1)
  83.         {
  84.             cout << "No\n";
  85.         }
  86.  
  87.         else if(k==1)
  88.         {
  89.                 f(i,n) if(s[i]=='?') s[i]='z';
  90.  
  91.                 cout << "Yes\n" << s << endl;
  92.         }
  93.  
  94.  
  95.  
  96.         else
  97.         {
  98.         for(i=0;i<=n-s1.length();i++)
  99.         {
  100.             string ss = s.substr(i, s1.length());
  101.             bool bb=true;
  102.             for(j=0;j<s1.length();j++)
  103.             {
  104.                 if(ss[j]!='?') {if(ss[j]!=s1[j]) bb=false;}
  105.             }
  106.             if(bb)
  107.             {
  108.                 k++;
  109.                 for(j=i;j<i+s1.length();j++) s[j]=s1[j-i];
  110.                 f(l,n) if(s[l]=='?') s[l]='z';
  111.                 k=0;
  112.                 break;
  113.  
  114.             }
  115.         }
  116.  
  117.         for(i=0;i<=n-s1.length();i++)
  118.         {
  119.  
  120.             string ss = s.substr(i, s1.length());
  121.             bool bb=true;
  122.             for(j=0;j<s1.length();j++)
  123.                  if(ss[j]!=s1[j]) bb=false;
  124.  
  125.  
  126.             if(bb)
  127.                 k++;
  128.  
  129.         }
  130.  
  131.         if(k==1)
  132.             cout << "Yes\n" << s << endl;
  133.  
  134.         if(k==0)    
  135.             cout << "No\n";
  136.  
  137.         if(k>1) 
  138.             cout << "No\n";
  139.  
  140.         }
  141.  
  142.     }
  143. }
  144.  
Runtime error #stdin #stdout #stderr 0s 4564KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
terminate called after throwing an instance of 'std::out_of_range'
  what():  basic_string::substr: __pos (which is 1) > this->size() (which is 0)
https://ideone.com/juBi2V
language:
C++14 (clang 8.0)
created:
4 years ago
visibility:
public

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