Submission #39601481

Source Code Expand

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#include <stdio.h>
int main (void) {
  char s[101];
  scanf("%s", s);
  for (int i = 1; s[i] != '\0'; i += 2) {
    char tmp = s[i];
    s[i] = s[i - 1];
    s[i - 1] = tmp;
  }
  printf("%s\n", s);
  return 0;
}
 
 
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#include <stdio.h>

int main (void) {
	char s[101];
	scanf("%s", s);

	for (int i = 1; s[i] != '\0'; i += 2) {
		char tmp = s[i];
		s[i] = s[i - 1];
		s[i - 1] = tmp;
	}

	printf("%s\n", s);
	return 0;
}

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