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59206504.cpp
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59206504.cpp
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#include <bits/stdc++.h>
using namespace std;
int main()
{
char ch;
bool allzero=true;
vector<char> a,d;
int b;
scanf("%1c",&ch);
while(ch!='.')
{
a.push_back(ch);
scanf("%1c",&ch);
}
scanf("%1c",&ch);
while(ch!='e')
{
if(ch!='0') allzero=false;
d.push_back(ch);
scanf("%1c",&ch);
}
cin>>b;
// process
if(a[0]=='0')
{
if(allzero)
{
printf("0");
}
else
{
bool started = false;
int i;
for(i=0;i<b;i++)
{
if(started && i>=d.size())
{
printf("0");
}
else if(d[i]!='0' || started)
{
printf("%c",d[i]);
started=true;
}
}
bool allzz=true;
for(int j=i;j<d.size();j++)
{
if(d[j]!='0')
{
allzz=false;
break;
}
}
if(!allzz)
{
if(!started)
printf("0");
printf(".");
for(;i<d.size();i++)
printf("%c",d[i]);
}
printf("\n");
}
}
else
{
for(int i=0;i<a.size();i++)
{
printf("%c",a[i]);
}
int i=0;
for(i=0;i<b;i++)
{
if(i<d.size())
printf("%c",d[i]);
else
printf("0");
}
bool allzz=true;
for(int j=i;j<d.size();j++)
{
if(d[j]!='0')
{
allzz=false;
break;
}
}
if(!allzz)
{
printf(".");
for(;i<d.size();i++)
printf("%c",d[i]);
}
printf("\n");
}
return 0;
}