c语言8-9
1、
#include <stdio.h> int main(void) { int ch; int time[1] = {}; while((ch = getchar()) != EOF) { switch(ch) { case '\n': time[0]++; break; } } printf("the row: %d\n", time[0]); return 0; }
2、
#include <stdio.h> int main(void) { int ch; int a = 0; while((ch = getchar()) != EOF) { if(ch == '\n') a++; } printf("row: %d\n", a); return 0; }
3、
#include <stdio.h> int main(void) { int ch; int a[1] = {}; while(1) { ch = getchar(); if(ch == EOF) break; switch(ch) { case '\n': a[0]++; break; } } printf("rows: %d\n", a[0]); return 0; }
4、
#include <stdio.h> int main(void) { int ch; int a = 0; while(1) { ch = getchar(); if(ch == EOF) break; if(ch == '\n') a++; } printf("rows: %d\n", a); return 0; }