?? 5-0-1.cpp
字號:
#include<iostream>
#include<string>
#include<vector>
#include<cctype>
using namespace std;
/**/
vector<string> split (const string& s)
{
vector<string> ret;
typedef string::size_type string_size;
string_size i=0;
//ivarinant: we have processed characters [original value of i, i)
while(i!=s.size())
{
//ignore leading blanks
//invariant: characters in range [original i, current i) are all spaces
while(i!=s.size()&&isspace(s[i]))
++i;
//find end of next word
string_size j=i;
//invariant: none of the characters in range [original j,current j)is a space
while(j!=s.size()&&!isspace(s[j]))
j++;
//if we found some nonwhitespace characters
if(i!=j)
{
//copy from s starting at i and taking j-i chars
ret.push_back(s.substr(i,j-i));
i=j;
}
}
return ret;
}
string::size_type width(const vector<string>& v)
{
string::size_type maxlen=0;
for(vector<string>::size_type i=0;i!=v.size();++i)
maxlen=_MAX(maxlen,v[i].size());
return maxlen;
}
vector<string> frame(const vector<string>& v)
{
vector<string> ret;
string::size_type maxlen=width(v);
string border(maxlen+4,'*');
//write the top border
ret.push_back(border);
//write each interior row, bordered by asterisk and a space
for(vector<string>::size_type i=0;i!=v.size();++i)
ret.push_back("* " + v[i] + string(maxlen-v[i].size(),' ') + " *");
//write the bottom border
ret.push_back(border);
return ret;
}
vector<string> vcat(const vector<string>& top,const vector<string>&bottom)
{
//copy the top picture
vector<string> ret=top;
//copy entire bottom picture
for(vector<string>::const_iterator it=bottom.begin();it!=bottom.end();++it)
ret.push_back(*it);
return ret;
}
vector<string> hcat(const vector<string>& left,const vector<string>& right)
{
vector<string> ret;
//add 1 to leave a space between pictures
string::size_type width1=width(left)+1;
//indices to look at elements from left both pictures
vector<string>::size_type i=0,j=0;
//continue until we've seen all rows from both pictures
while(i!=left.size()||j!=right.size())
{
//construct new string to hold characters from both pictrues
string s;
//copy a row from the left_hand side, if there is one
if(i!=left.size())
s=left[i++];
//pad to full width
s+=string(width1-s.size(),' ');
//copy a fow from the right-hand size,if there is one
if(j!=right.size())
s+=right[j++];
//adds to the picture we're creating
ret.push_back(s);
}
return ret;
}
int main()
{
string s;
getline(cin,s);
vector<string> v=split(s);
//write each word in v
for(vector<string>::size_type i=0;i<v.size();++i)
cout<<v[i]<<endl;
vector<string> u=frame(v);
for(vector<string>::size_type j=0;j<u.size();++j)
cout<<u[j]<<endl;
vector<string> w=vcat(u,v);
for(vector<string>::size_type k=0;k<w.size();++k)
cout<<w[k]<<endl;
vector<string> w1=hcat(v,u);
for(i=0;i<w1.size();++i)
cout<<w1[i]<<endl;
return 0;
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -