已解决，第三个点没有数字，输出0
```cpp
#include <iostream>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cstdlib>
#include <cstdio>
using namespace std;
string s[7],s1[7],s2;
bool a[7];
int b=0;
int comp(string x,string y)
{
if(x+y>y+x)
return 0;
if(x+y<y+x)
return 1;
return 0;
}
int main(int argc, char** argv)
{
for(int i=1;i<=6;i++)
cin>>s[i];
for(int i=1;i<=6;i++)
{
if(s[i]=="zero")
{s1[i]="00";a[i]=1;}
else if(s[i]=="one"||s[i]=="a"||s[i]=="first")
{s1[i]="01";a[i]=1;}
else if(s[i]=="two"||s[i]=="second"||s[i]=="both")
{s1[i]="04";a[i]=1;}
else if(s[i]=="three"||s[i]=="third"||s[i]=="another")
{s1[i]="09";a[i]=1;}
else if(s[i]=="four")
{s1[i]="16";a[i]=1;}
else if(s[i]=="five")
{s1[i]="25";a[i]=1;}
else if(s[i]=="six")
{s1[i]="36";a[i]=1;}
else if(s[i]=="seven")
{s1[i]="49";a[i]=1;}
else if(s[i]=="eight")
{s1[i]="64";a[i]=1;}
else if(s[i]=="nine")
{s1[i]="81";a[i]=1;}
else if(s[i]=="ten")
{s1[i]="00";a[i]=1;}
else if(s[i]=="eleven")
{s1[i]="21";a[i]=1;}
else if(s[i]=="twelve")
{s1[i]="44";a[i]=1;}
else if(s[i]=="thirteen")
{s1[i]="69";a[i]=1;}
else if(s[i]=="fourteen")
{s1[i]="96";a[i]=1;}
else if(s[i]=="fifteen")
{s1[i]="25";a[i]=1;}
else if(s[i]=="sixteen")
{s1[i]="56";a[i]=1;}
else if(s[i]=="seventeen")
{s1[i]="89";a[i]=1;}
else if(s[i]=="eighteen")
{s1[i]="24";a[i]=1;}
else if(s[i]=="nineteen")
{s1[i]="61";a[i]=1;}
else if(s[i]=="twenty")
{s1[i]="00";a[i]=1;}
}
sort(s1+1,s1+7,comp);
for(int i=1;i<=6;i++)
{
s2+=s1[i];
}
for(int i=0;i<s2.size();i++)
if(s2[i]!='0'||(s2[i-1]!='0'&&i>=1))
cout<<s2[i];
for(int i=1;i<=6;i++)
{
if(!a[i])
b++;
if(b==6)
{
cout<<"0"<<endl;
return 0;
}
}
cout<<endl;
return 0;
}
```
by KKarshilov @ 2017-07-05 12:47:02