물문제 CodeForces 137A Postcards and photos

 1 /*  2   !  3 */  4 #include <cstdio>  5 #include <cstring>  6 #include <algorithm>  7 using namespace std;  8  9 const int MAXN = 1e2 + 10; 10 const int INF = 0x3f3f3f3f; 11 char s[MAXN]; 12 13 int main(void) //CodeForces 137A Postcards and photos 14 { 15 // freopen ("E.in", "r", stdin); 16 17 while (scanf ("%s", s) == 1) 18  { 19 int len = strlen (s); 20 int ans = 0; int i = 0; 21 while (i < len) 22  { 23 char ch = s[i]; int cnt = 1; 24 while (cnt < 5 && i < len) 25  { 26 if (s[i+1] == ch) 27  { 28 ++cnt; ++i; 29  } 30 else break; 31  } 32 ans++; i++; 33  } 34 35 printf ("%d
", ans); 36  } 37 38 return 0; 39 }