가위바위보 게임 3 (함수 사용)

#include <iostream> // cin, cout
#include <string> // string
#include <stdio.h> // rand()
#include <time.h> // time()
#include <Windows.h> // Sleep()

/* 상수(전처리)
#define KAWE 0
#define BAWE 1
#define BO 2
*/

using namespace std;

const int KAWE = 0;
const int BAWE = 1;
const int BO = 2;
string type_;


string printKKB(int kbb){
    // switch문
    switch (kbb) {
    case KAWE:
        // cout << "가위";
        return type_ = "가위";
        break;
    case BAWE:
        return type_ = "바위";
        //cout << "가위";
        break;
    default:
        return type_ = "보";
        //return "보";
        break;
    }

    /* if문
    if (kbb == KAWE) {
    cout << "가위";
    }
    else if (kbb == BAWE) {
    cout << "바위";
    }
    else if (kbb == BO) {
    cout << "보";
    }
    */
}

void main1() {
    // 렌덤값 추출
    srand((unsigned int)time(NULL));

    // 승리
    int pc1WinNum = 0;
    int pc2WinNum = 0;
    // 게임횟수
    int gameNum = 0;
    // 가위바위보 표기
    string pc1game;
    string pc2game;

    while (true){
        int pc1Rand = rand() % 3 + 1;
        int pc2Rand = rand() % 3 + 1;

        // 함수 호출
        pc1game = printKKB(pc1Rand);
        pc2game = printKKB(pc2Rand);

        // 판정
        // P2 승리
        if ((pc1Rand == 1) && (pc2Rand == 2) || (pc1Rand == 2) && (pc2Rand == 3) || (pc1Rand == 3) && (pc2Rand == 1)) {
            pc2WinNum++;
            cout << "P1:" << pc1game << " vs P2:" << pc2game << " >>> P2 승리" << endl;
        }
        // P1 승리
        else if ((pc1Rand == 2) && (pc2Rand == 1) || (pc1Rand == 3) && (pc2Rand == 2) || (pc1Rand == 1) && (pc2Rand == 3)) {
            pc1WinNum++;
            cout << "P1:" << pc1game << " vs P2:" << pc2game << " >>> P1 승리" << endl;
        }
        // 무승부
        else {
            cout << "P1:" << pc1game << " vs P2:" << pc2game << " >>> 무승부" << endl;
        }

        gameNum++;

        if (pc1WinNum == 3 || pc2WinNum == 3){
            break;
        }

        //Sleep(2000)
    }

    cout << endl;

    cout << "가위바위보 게임 횟수 : " << gameNum << endl;
    cout << "P1 승리 : " << pc1WinNum << " VS " << "P2 승리 : " << pc2WinNum << endl;

    if (pc1WinNum > pc2WinNum) {
        cout << "최종 승리자 : P1" << endl;
    }
    else {
        cout << "최종 승리자 : P2" << endl;
    }
}

c++, 가위바위보, 게임, 함수