pvjc24/cv1/program.c

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#include <stdio.h>
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#include <ctype.h>
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int main() {
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int lines_count = 0;
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int c;
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while ((c = getchar()) != EOF) {
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if (islower(c)) {
putchar(toupper(c));
} else if (isupper(c)) {
putchar(tolower(c));
} else {
putchar(c);
if (c == '\n') {
lines_count++;
}
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}
}
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printf("Počet načítaných riadkov: %d\n", lines_count);
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return 0;
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}