Merge pull request encrypted-def#18 from tongnamuu/tongnamuu

encrypted-def · web-flow · commit 70c2b169ab29 · 2021-04-22T21:59:23.000+09:00
boj 1439
diff --git a/0x11/solutions/1439.cpp b/0x11/solutions/1439.cpp
@@ -1,11 +1,17 @@
-// Authored by : BaaaaaaaaaaarkingDog
+// Authored by : tongnamuu
 // Co-authored by : -
-// http://boj.kr/****************
+// http://boj.kr/00d1d9f7116b411fb7d50c1d8cf53823
 #include <bits/stdc++.h>
 using namespace std;
 
-int main(void){
+int main(void) {
   ios::sync_with_stdio(0);
   cin.tie(0);
-  
-}
+  string s;
+  cin>>s;
+  int len = s.length();
+  int cnt[2] = {0,0};
+  cnt[s[0]-'0']++;
+  for(int i=1;i<len;++i) if(s[i]!=s[i-1]) cnt[s[i]-'0']++;
+  cout<<min(cnt[0], cnt[1]);
+}
