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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	vector<bool> a(202, false);
  7.     int n, diffNum, curVal;
  8.     cin >> n;
  9.     diffNum = n;
  10.     for(int i = 0; i < n; i++) {
  11.         cin >> curVal;
  12.         if(a[curVal + 100]) diffNum--;
  13.         else a[curVal + 100] = true;
  14.     }
  15.     cout << diffNum << endl;
  16. }
Success #stdin #stdout 0s 4508KB
comments (?)
stdin 
7
3 5 -7 7 5 -9 -4
stdout 
6
https://ideone.com/BZM73A
Кількість різних елементів
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
secret

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