C++ 벡터 for 루프

1 개요

C++ vector for loop

C++ 벡터 for 루프

C++

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#include <iostream>
#include <vector>
using namespace std;

int main() {
  vector<int> v = {1, 2, 3, 4, 5};
  for(int i=0; i<v.size(); i++) {
    cout << v[i] << " ";
  }
  cout << endl;
}

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C++

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#include <iostream>
#include <vector>
using namespace std;

int main() {
  vector<int> v = {1, 2, 3, 4, 5};
  vector<int>::iterator it;
  for(it=v.begin(); it<v.end(); it++) {
    cout << *it << " ";
  }
  cout << endl;
}

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C++

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#include <iostream>
#include <vector>
using namespace std;

int main() {
  vector<int> v = {1, 2, 3, 4, 5};
  for(auto& el : v) {
    cout << el << " ";
  }
  cout << endl;
}

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2 같이 보기

• C++ 벡터
• C++ for 루프

3 참고

• https://www.educative.io/answers/how-to-iterate-through-a-vector-in-cpp