pvjc24/cv1/program.c
2024-02-21 19:02:10 +00:00

24 lines
524 B
C

#include <stdio.h>
#include <ctype.h>
int main() {
char ch;
int line_count = 0;
while ((ch = getchar()) != EOF) {
if (ch == '\n') {
putchar('\n');
line_count++;
} else {
if (isprint(ch)) {
putchar((ch >= 'a' && ch <= 'z') ? (ch - 32) : ((ch >= 'A' && ch <= 'Z') ? (ch + 32) : ch));
}
else {
putchar(ch);
}
}
}
printf("\nLines count: %d\n", line_count);
return 0;
}