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Ginger_samurai

Untitled

Feb 3rd, 2020
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C++ 0.41 KB | None | 0 0
  1. #include<iostream>
  2. #include<vector>
  3. #include <set>
  4. #include <map>
  5. using namespace std;
  6. int main() {
  7.     int n;
  8.     vector<int>v(n);
  9.  
  10.     v.front(); v.back(); v.begin(); v.end(); v.rbegin(); v.rend();
  11.     v.assign(5, 1); //11111
  12.     v.empty();v.size();v.clear();
  13.     v.erase(v.begin+3); // 11_11
  14.     v.pop_back();
  15.    
  16.     set<int>s;
  17.     s.insert(1);
  18.     s.count(1);
  19.     s.erase(1);
  20.  
  21.     map<int, int> m;
  22.     m[1] = 11;
  23.     m.count(1);
  24.  
  25.  
  26.  
  27.  
  28. }
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