标准答案(用sort+string)

先看长度,再用string的比较

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#include<bits/stdc++.h>
using namespace std;
struct president
{
string price;
int n;
}a[100];
int m;
bool cmp(president x,president y);
int main()
{
cin>>m;
for(int i=1;i<=m;i++)
{
cin>>a[i].price;
a[i].n=i;
}
sort(a+1,a+m+1,cmp);
cout<<a[1].n<<endl<<a[1].price;
}
bool cmp(president x,president y)
{
if(x.price.length()!=y.price.length())
return x.price.length()>y.price.length();
else
return x.price>y.price;

}