编程笔记

#include <stdio.h> #include <conio.h> int main( void ) { int ch; while ((ch = getche()) != '/n') putchar(ch); return 0; }

#include <stdio.h> int main( void ) { float d1 = 10000.123; int n, f; char *m1 = "Binary"; char *m2 = "Decimal"; char *m3 = "Octal"; char *m4 = "Hexadecimal&q…

#include <stdio.h> int main( void ) { int count; for (count = 14; count < 128; ) putchar(count++); return 0; }

#include <stdio.h> #define MAXSTRING 80 int main( void ){ char message[] = "this is a test"; for (int count = 0; count < MAXSTRING; count++) { if (message[count] == '/0') {…

#include <stdio.h> int main( void ){ char *messages[5] = { "This", "is", "from", "yiibai", ".com." }; for (int x=0; x<5; x++) puts(messages[…

#include <stdio.h> int main(void) { int ctr; for( ctr = 65; ctr < 91; ctr++ ) printf("%c", ctr ); return 0; }

// 输入 int ch; ch = getchar(); while(ch != EOF) { putchar(ch); ch = getchar(); } // 输出 int ch; while((ch = getchar()) != EOF) putchar(ch);

使用for循环： double count; for(count = 0; getchar() != EOF; ++count) ; /* null statement */ printf("%.0f/n", count); 使用while循环： long count = 0; while(getchar() != EOF) ++count; printf…

int ch, count = 0; while((ch = getchar()) != EOF) if(ch == '/n') ++count; printf("%d/n", count);

#include <stdio.h> int main (void) { char c; printf ("Enter a single character:/n"); scanf ("%c", &c); if ((c >= 'a' && c <= 'z') || (c &gt…