STL之string,vector,algorithm常用方法

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
usingnamespacestd;

voidtestString()
...{
strings="abc",t="cde";
cout<<s+t<<endl;
s=s+'1';
cout<<s<<""<<s.size()<<endl;

cin>>s>>t;
intj=s.find(t);
if(j!=-1)
cout<<j<<endl;
else
cout<<"nofound ";

cin>>s>>t;
if(s==t)
cout<<"equal ";
elseif(s>t)
cout<<"large ";
else
cout<<"small ";

s="abcdefg";//getline(cin,s);
intk=s.find("");
if(k!=-1)
cout<<s.substr(0,k)<<""<<s.substr(k+1)<<endl;
}

voidprtVector(vector<int>v)
...{
for(inti=0;i<v.size();i++)
cout<<""<<v[i];
cout<<endl;
}

boolcmp(inta,intb)
...{
returna>b;
}

voidtestVector()
...{
intn;
cin>>n;
vector<int>v(n);

inti;
for(i=0;i<v.size();i++)cin>>v[i];

sort(v.begin(),v.end());//sort,smalltolarge
prtVector(v);

sort(v.begin(),v.end(),cmp);//sort,largetosmall
prtVector(v);

reverse(v.begin(),v.end());//reverse
prtVector(v);

fill(v.begin(),v.end(),0);//fill
prtVector(v);

intx=1,y=2;
swap(x,y);//swap
cout<<x<<""<<y<<endl;

vector<vector<int>>tv;
intr,c;

cin>>r>>c;

tv.resize(r);
for(i=0;i<r;i++)
...{
tv[i].resize(c);
for(intj=0;j<tv[i].size();j++)
cin>>tv[i][j];
}

for(i=0;i<r;i++)
...{
for(intj=0;j<tv[i].size();j++)
cout<<""<<tv[i][j];
cout<<endl;
}

tv.clear();
}

voidrun()...{
cout<<"teststring ";
testString();

cout<<" testvectorandalgorithm ";
testVector();
}

intmain()...{
run();
return0;
}