27 lines
560 B
C
27 lines
560 B
C
#include <stdio.h>
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#include <ctype.h>
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int main() {
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int ch;
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int line_count = 0;
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while ((ch = getchar()) != EOF) {
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if (islower(ch)) {
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putchar(toupper(ch));
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} else if (isupper(ch)) {
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putchar(tolower(ch));
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} else if (ch == '\n') {
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putchar(ch);
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line_count++;
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} else if (ch == '\t') {
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putchar(ch);
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} else if (ch >= 32 && ch <= 126) {
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putchar(ch);
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}
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}
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printf("\nLines count: %d\n", line_count);
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return 0;
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}
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