[英]how to add a counter
我對如何在代碼中添加計數器感到困惑-我正在編寫一個2人數字猜謎游戲,我想添加滿足該程序所需的猜謎數。
到目前為止,這是我得到的:
#include <iostream>
#include <cstdlib>
#include <ctime>
int main()
{
int x;
int guess;
std::cout << "Enter the number for the player to guess.";
std::cin >> x;
do
{
std::cout << "Enter your guess.";
std::cin >> guess;
if (guess > x)
std::cout << "lower\nEnter your guess.\n";
else if (guess < x)
std::cout << "higher\nEnter your guess.\n";
else
std::cout << "You guessed it!\n";
} while (guess != x);
return 0;
}
您只需要添加一個變量並在每次循環時增加它,就像這樣:
int guesses = 0;
do
{
guesses++;
std::cout << "Enter your guess.";
std::cin >> guess;
if (guess > x)
std::cout << "lower\nEnter your guess.\n";
else if (guess < x)
std::cout << "higher\nEnter your guess.\n";
else
std::cout << "You guessed it!\n";
} while (guess != x);
std::cout << "You took " << guesses << " guesses!" << std::endl;
#include <iostream>
#include <cstdlib>
#include <ctime>
int main()
{
int x;
int guess;
std::cout << "Enter the number for the player to guess.";
std::cin >> x;
int count = 0;
do
{
std::cout << "Enter your guess.";
std::cin >> guess;
if (guess > x)
std::cout << "lower\nEnter your guess.\n";
else if (guess < x)
std::cout << "higher\nEnter your guess.\n";
else
std::cout << "You guessed it...";
count++;
} while (guess != x);
std::cout << "in " << count << "times" <<endl;
return 0;
}
count變量將對玩家猜測的次數進行計數,並且您可以在猜測正確后打印計數。
使用變量來存儲猜測的計數,並將其遞增直到答案匹配。 :)
#include <iostream>
#include <cstdlib>
#include <ctime>
int main()
{
int x;
int guess;
std::cout << "Enter the number for the player to guess.";
std::cin >> x;
int counter=0;
do
{
counter++;
std::cout << "Enter your guess.";
std::cin >> guess;
if (guess > x)
std::cout << "lower\nEnter your guess.\n";
else if (guess < x)
std::cout << "higher\nEnter your guess.\n";
else
std::cout << "You guessed it!\n";
} while (guess != x);
std::cout<<"You have guessed "<<counter<<" times for correct answer"<<endl;
return 0;
}
#include <iostream>
#include <cstdlib>
#include <ctime>
int main()
{
int x;
int guess;
std::cout << "Enter the number for the player to guess.";
std::cin >> x;
int counter = 0; //make a new variable to count the guesses
do
{
std::cout << "Enter your guess.";
std::cin >> guess;
if (guess > x)
std::cout << "lower\nEnter your guess.\n";
else if (guess < x)
std::cout << "higher\nEnter your guess.\n";
else
std::cout << "You guessed it!\n";
++counter; //increase it each time a guess happened
} while (guess != x);
//print the count of guesses
std::cout << "Took you " << counter << " guesses!" << std::endl;
return 0;
}
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