[AtCoder]ABC 047A – キャンディーと2人の子供 ~ 50[C++]

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a, b, c;
  cin >> a >> b >> c;
  
  vector<int> v{a,b,c};
  sort(v.begin(), v.end());
  if (v[0] + v[1] == v[2]){
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  string a, b, c;
  cin >> a >> b >> c;
  cout << "A" << b[0] << "C" << endl;
}

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  string c;
  cin >> c;
  if (c == "a" || c == "i" || c == "u" || c == "e" || c == "o"){
    cout << "vowel" << endl;
  }
  else {
    cout << "consonant" << endl;
  }
}

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a, b;
  string op;
  cin >> a >> op >> b;

  if (op == "+" ){
    cout << a + b << endl;
  }
  else {
    cout << a - b << endl;
  }
}