Update 'cv1/program.c'
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9cc5994194
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@ -1,4 +1,5 @@
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#include <stdio.h>
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#include <ctype.h>
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int main() {
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char ch;
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@ -7,9 +8,13 @@ int main() {
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while ((ch = getchar()) != EOF) {
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if (ch == '\n') {
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line_count++;
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putchar('\n');
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} else {
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putchar((ch >= 'a' && ch <= 'z') ? (ch - 32) : ((ch >= 'A' && ch <= 'Z') ? (ch + 32) : ch));
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if (isprint(ch)) {
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putchar((ch >= 'a' && ch <= 'z') ? (ch - 32) : ((ch >= 'A' && ch <= 'Z') ? (ch + 32) : ch));
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}
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else {
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putchar(ch);
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}
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}
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}
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