Leetcode 434 Number of Segments in a String
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Leetcode 434 Number of Segments in a String
#include <string>using namespace std;class Solution {public: int countSegments(string s) { if (s.length() == 0) return 0; int begin = 0; int eleCount = 0; for (int i = 0; i < s.length(); i++){ if (s[i] != ' '){ begin = i; eleCount = 1; break; } } for (int i = begin; i < s.length() - 1; i++){ if (s[i] == ' ' && s[i+1] != ' ') eleCount++; } return eleCount; }};//写一个更快些的class Solution {public: int countSegments(string s) { if (s.empty()) return 0; int eleCount = 0; int i = 0; int length = s.length(); while (i < length){ if (!isspace(s[i])){//如果不是空格 eleCount++; while (i < length &&!isspace(s[i])) i++; } else i++; } return eleCount; }};
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