“`”
参考回答:
<pre><code class=""language-c"" lang=""c"">int main()
{
char buffer[80]=""AaABbBcBbcvQv"";
for(int i=0;buffer[i]!='\0';i++){
if(buffer[i+2]=='\0'){
printf(""ok"");
printf(""%c\n"",buffer[i]);
return 0;
}
if(buffer[i]==buffer[i+2] && buffer[i]!=buffer[i+1]){
int j=i;
while(buffer[j+3]!='\0'){
buffer[j]=buffer[j+3];
j++;
}
buffer[(j+2)]='\0';
if((i-1)>0){
i=i-1;
}
}
printf(""%c\n"",buffer[i]);
}
return 0;
}
</code></pre>
<pre><code> "“`
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