A. Postcards and photos
http://codeforces.com/problemset/problem/137/A
time limit per test
memory limit per test
input
output
all
Input
"С" and "P" whose length does not exceed 100characters. If the i-th character in the string is the letter "С", that means that the i-th object (the numbering goes from the left to the right) on Polycarpus' wall is a postcard. And if the i-th character is the letter "P", than the i-th object on the wall is a photo.
Output
Print the only number — the minimum number of times Polycarpus has to visit the closet.
Sample test(s)
input
CPCPCPC
output
7
input
CCCCCCPPPPPP
output
4
input
CCCCCCPPCPPPPPPPPPP
output
6
input
CCCCCCCCCC
output
2
Note
In the first sample Polycarpus needs to take one item to the closet 7 times.
In the second sample Polycarpus can first take 3 postcards to the closet; then 3 more. He can take the 6 photos that are left in the similar way, going to the closet twice.
In the third sample Polycarpus can visit the closet twice, both times carrying 3 postcards. Then he can take there 2 photos at once, then one postcard and finally, he can carry the last 10 photos if he visits the closet twice.
In the fourth sample Polycarpus can visit the closet twice and take there all 10 postcards (5 items during each go).
以now为参考标准进行统计~
完整代码：
/*30ms,0KB*/
#include<cstdio>
#include<cstring>
#include<cmath>
char str[101];
int main()
{
int count = 0, i = 0;
scanf("%s", str);
int len = strlen(str);
char now = str[0];
while (i < len)
{
int nowcount = 1;
while (++i < len && str[i] == now)
++nowcount;
count += ceil((double)nowcount / 5);
now = str[i];
}
printf("%d", count);
return 0;
}
