Leetcode-942 DI String Match(增減字串匹配)
阿新 • • 發佈:2018-11-19
1 class Solution 2 { 3 public: 4 vector<int> diStringMatch(string S) 5 { 6 vector<int> tmp {0}; 7 for(auto c:S) 8 { 9 int a = tmp.back(); 10 if(c=='I') 11 { 12 tmp.push_back(a+1); 13 } 14 else 15 { 16 tmp.push_back(a-1); 17 } 18 } 19 // for(auto d:tmp) 20 // cout << d << endl; 21 int max = S.size(); 22 vector<int> result; 23 for(int i = 0;i < max+1;i ++) 24 result.push_back(0); 25 for(int i = 1000;i >= -1000;i --) 26 { 27 for(int j = 0;j < tmp.size();j ++) 28 { 29 if(tmp[j]==i) 30 {31 result[j] = max --; 32 } 33 } 34 } 35 return result; 36 } 37 };