题目:
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题解:
cpp
int countSegments(char * s){
int count = 0; //count用来记录单词个数
for(int i=0; i < strlen(s); ++i){ //遍历字符串
if((i == 0 || s[i-1] == ' ') && s[i] != ' ') //一个单词的开始
++count; //记录
}
return count;
}