23 lines
466 B
C
23 lines
466 B
C
#include <stdio.h>
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#include <ctype.h>
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int main() {
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int c;
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int lines = 0;
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while ((c = getchar()) != EOF) {
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if (islower(c)) {
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putchar(toupper(c));
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} else if (isupper(c)) {
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putchar(tolower(c));
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} else if (c == '\n') {
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putchar(c);
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lines++;
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} else if (c == '\t' || isprint(c)) {
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putchar(c);
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}
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}
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printf("\nLines count: %d\n", lines);
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return 0;
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} |