problem

solution:

class Solution {public:    vector
     
       numberOfLines(vector
      
       & widths, string S) {        int line = 1, len = 0;        for(auto ch:S)        {            int t = widths[ch-'a'];            if(len+t>100) line++;            len = (len+t>100) ? t : len+t;        }        return {line, len};    }};
      
     

 

参考

1. ;

2. ;

完