atcoder.jp A - Equally 分け方を全通り試す 提出コード void solve() { int A, B, C; cin >> A >> B >> C; if (A == B and B == C) { cout << "Yes" << endl; } else if (A + B == C or B + C == A or C + A == B) { cout << "Yes" << endl; } else { cout <…