给定一个由大写字母组成的字符串 $S$，请重新排列 $S$ 中字符的顺序，使得子串 CCPC 作为连续子串出现的次数尽可能多。你需要求出 CCPC 出现次数的最大值。
输入格式
一行，包含一个由大写字母组成的字符串 $S$ ($1 \le |S| \le 10^6$)。
输出格式
输出一个整数，表示 CCPC 出现次数的最大值。
样例
样例输入 1
ABCDCPCPC
样例输出 1
1
QOJ.ac
QOJ
時間限制： 1.0 s
記憶體限制： 1024 MB
總分： 100
可 Hack ✓
#9741. CCPC
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