#include <bits/stdc++.h>

#include <ctime>

#include <conio.h>

using namespace std;

int main() {

cout << "請按照屏幕上的字符\"√\"按下鍵盤按鍵(1:D,2:f,3:J,4:K)\n按任意鍵開始游戲\n";

getch();

system("cls");

int d = 0;

time_t start = time(0);

srand(time(0));

int Miss = 0, Tap = 0, b;

char a[4] = {'d', 'f', 'j', 'k'}, c;

while (time(0) - start < 15) {

b = rand() % 3;

switch (b) {

case 0:

cout << "√ × × ×\n";

break;

case 1:

cout << "× √ × ×\n";

break;

case 2:

cout << "× × √ ×\n";

break;

case 3:

cout << "× × × √\n";

break;

}

c = getch();

if (c == a[b]) {

Tap++;

} else {

d = time(0) - start;

cout << "您擊錯了。\n";

system("cls");

break;

}

system("cls");

}

if (d == 0) {

cout << "擊中:" << Tap << " 耗時約20\"";

} else {

cout << "擊中:" << Tap << " 耗時約" << d << '\"';

}

for (;;) {

}

}