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68.cpp
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68.cpp
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__________________________________________________________________________________________________
4ms
class Solution {
public:
vector<string> fullJustify(vector<string>& words, int l) {
vector<string> res;
int i=0;
while(i<words.size()){
int j=i,len=0;
while(j<words.size() && (len+words[j].size()+j-i)<=l)
len+=words[j++].size();
string out;
int space=l-len;
for(int k=i;k<j;++k){
out += words[k];
//int t=0;
if(space>0){
int t=0;
if(j==words.size()){//last row
if(j-k==1)
t=space;
else
t=1;
}
else{//no last row
if(j-k-1>0){//last word
if(space%(j-k-1)==0) t=space/(j-k-1);
else t=space/(j-k-1)+1;
}
else
t=space;
}
space-=t;
out.append(t,' ');
}
}
res.push_back(out);
i=j;
}
return res;
}
};
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8828 kb
class Solution {
public:
vector<string> fullJustify(vector<string>& words, int maxWidth)
{
vector<string> justifiedText;
unsigned int i=0;
while(i < words.size())
{
int j;
int lineWordsLength = 0;
//Keep adding words until maxwidth or words end is reached.
for (j = i;
j < words.size() && lineWordsLength + words[j].size() + (j - i) <= maxWidth;
j++)
{
//in the above, checking with (j-i) is for adding spaces.
//j is the current index of words, i is the start and
//(j-i) will be the spaces
lineWordsLength += words[j].size();
}
//If we don't need justification, we could stop here and add all the words
//from i to j-1;
//We have found the words needed. Next, find the spaces needed
string line = words[i];
for (unsigned k = i + 1; k < j; ++k)
{
int paddingSize = 1;
if (j < words.size())
{
int total_spaces_length = (maxWidth - lineWordsLength);
int total_words = (j - k);
paddingSize = (total_spaces_length/total_words);
if((total_spaces_length % total_words) != 0)
paddingSize += 1;
lineWordsLength += paddingSize;
}
line.append(paddingSize, ' ').append(words[k]);
}
line.append(maxWidth - line.size(), ' ');
justifiedText.push_back(line);
i=j;
}
return justifiedText;
}
};
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