解题思路:
注意事项:
参考代码:
#include<stdio.h>
#include<string.h>
int main()
{
char str[101], str1[1000];
gets(str);
str[strlen(str)] = '\0';
int i,j=0,k;
for (i = 0; i < strlen(str); i++)
{
if (str[i] >= 'a' && str[i] <= 'z' || str[i] >= 'A' && str[i] <= 'Z')
{
str1[j++] = str[i];
}
else if (str[i] >= '1' && str[i] <= '9')
{
for (k = 1; k <= (int)str[i] - (int)'0'-1; k++)
{
str1[j++] = str[i - 1];
}
}
}
str1[j] = '\0';
puts(str1);
return 0;
}
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