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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. //chinese cram coding version~
  4. /*chapter 6 version: 
  5. tanjita
  6. tanyueqi
  7. tanguzheng
  8. laerhu
  9. chuidizi
  10. ne
  11. dian
  12. mai(sell)
  13. mai(buy)
  14. ba
  15. a
  16. ting
  17. yinyue
  18. keyi
  19. jiao
  20. xiexie */
  21. int main() {
  22. 	vector<string> v;
  23. 	string s;
  24. 	random_device rd;
  25. 	mt19937 gen(rd()); 
  26. 	while(cin>>s){
  27. 		v.push_back(s);
  28. 	}
  29. 	uniform_int_distribution<> distrib(1, v.size()); 
  30. 	set<int>ind;
  31. 	while(ind.size()<10){
  32. 		int x = distrib(gen);
  33. 		ind.insert(x);
  34. 	}
  35. 	for(int i: ind){
  36. 		cout<<v[i-1]<<endl;
  37. 	}
  38. 	return 0;
  39. }
Success #stdin #stdout 0s 5320KB
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stdin
copy 
tanjita
tanyueqi
tanguzheng
laerhu
chuidizi
ne
dian
mai(sell)
mai(buy)
ba
a
ting
yinyue
keyi
jiao
xiexie
stdout
copy 
tanjita
tanyueqi
laerhu
ne
mai(buy)
ting
yinyue
keyi
jiao
xiexie
https://ideone.com/LOhMWq
language:
C++14 (gcc 8.3)
created:
5 days ago
visibility:
public

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