Nettet12. apr. 2024 · 1、统计空格、换行符、制表符个数 空格的ASCII是32；制表符是9；换行符是10 int ch = getchar (); int m = 0; //空格数 int n = 0; //制表符数 int k = 0; //换行数 while (ch!=EOF) { if (ch == 9 ) { n++; } else if (ch == 10 ) { k++; } else if (ch == 32 ) { m++; } ch = getchar (); } printf ( "空格数:%d,制表符数:%d,换行数:%d" ,m,n,k); 2、编写一个将输入复 … Nettetc=getchar(); while (c!=EOF) We must declare the variable c to be a type big enough to hold any value that the getchar function returns. We can’t use char since c must be big enough to hold EOF in addition to any possible char. Therefore we use int data type. EOF is an integer defined in , but it is not the same as any char value.
Understanding getchar() and putchar() in C - Stack Overflow
Nettet11. apr. 2024 · 输入字符用getchar () 输出提示信息和格式："%c, %d\n" 程序运行示例： Press a key and then press Enter:d D, 68 #include < stdio.h > int main () { Char ch; printf ( "Press a key and then press Enter:" ); ch= getchar (); ch=ch - 32; printf ( "%c,%d\n", ch, ch ); return 0; } 庆庆知识库 码龄1年 暂无认证 28 原创 9万+ 周排名 4万+ 总排名 9049 访问 … Nettet20. aug. 2024 · getchar is part of a system, actually multiple pieces of software (C, operating system, terminal emulator, other stuff) working together, and it will get … candlewood custom homes canal winchester
C言語 getchar関数の使い方【対話プログラムの作り方紹介】
Nettet11. mar. 2024 · getchar函数是C语言中的一个输入函数，它可以从标准输入流中读取一个字符。 使用getchar函数时，程序会等待用户输入一个字符，然后将该字符读入到程序中，并返回该字符的ASCII码值。 例如，下面的代码演示了如何使用getchar函数读取用户输入的字符并输出该字符的ASCII码值： ``` #include int main () { char c; printf … Nettet6. apr. 2015 · Here is some pseudo-code: c = getchar () num = 0 while isdigit (c) num = (num * 10) + (c - '0') c = getchar () This accumulates the number, recognizing that … Nettet26. apr. 2015 · getchar() returns an integer value of a character. Thus, if the character returned is '3' (ASCII 51), and you want (int) 3; a simple way is to Code: int i, c; c = getchar(); i = c - '0'; where '0' = ASCII(48). Quote: Originally Posted by doughyi8u a digit. I'm passing the value returned by getchar() as a paramaterb of type int to a function. candlewood crescent waterloo