题目链接： http://exercise.acmcoder.com/online/online_judge_ques?ques_id=3364&konwledgeId=40
解题思路： 这种题目是真的没意思。
1 #include <bits/stdc++.h> 2 using namespace std; 3 4 const int MAXN = 100005; 5 typedef long long LL; 6 char s[MAXN]; 7 int ans[256]; 8 int main() 9 { 10 #ifndef ONLINE_JUDGE 11 freopen("test.txt","r",stdin); 12 #endif // ONLINE_JUDGE 13 int Case; 14 // scanf("%d",&Case); 15 //scanf("%s",s); 16 //printf("%d ",strlen(s)); 17 memset(ans,0,sizeof(ans)); 18 int cnt=0; 19 char ch; 20 char tmp; 21 for (int i=0;(tmp=getchar())!=' ';++i) 22 { 23 if (i==0) cnt=1,ch=tmp; 24 else if (tmp==ch) ++cnt; 25 else {ans[ch]=max(ans[ch],cnt);cnt=1;ch=tmp;} 26 } 27 ans[ch]=max(ans[ch],cnt); 28 int res=0; 29 for (int i='a';i<='z';++i) res+=ans[i]; 30 printf("%d ",res); 31 return 0; 32 }