# 7.12.4
#include <stdio.h>
int main(void)
{
int Exclamationtoperiod = 0;
int two2one = 0;
char ch;
while ((ch = getchar()) != '#')
{
switch (ch)
{
case '.':
putchar('!');
++Exclamationtoperiod;
break;
case '!':
putchar('!');
putchar('!');
++two2one;
break;
default:
putchar(ch);
}
}
printf("\n替换了%d次\n", two2one + Exclamationtoperiod);
return 0;
}
7.12.5
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转载自www.cnblogs.com/EisNULL/p/10762670.html
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