/***
Bismillahir Rahmanir Rahim
Read the name of Allah, who created you!!!
Author : Shah Newaj Rabbi Shishir
Department of CSE, City University, Bangladesh.
***/
#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
#define scase sf ("%d",&tc)
#define sn sf ("%d",&n)
#define whilecase while (tc--)
#define eof while (cin >> n)
#define forloop for (pos=1; pos<=tc; pos++)
#define arrayloop (i=0; i<n; i++)
#define cinstr cin >> str
#define getstr getline (cin,str)
#define pcase pf ("Case %d: ",pos)
#define pb push_back
#define in insert
#define llu unsigned long long
#define lld long long
#define U unsigned int
int main (void)
{
/*freopen ("input.txt","r",stdin);
freopen ("output.txt","w",stdout);*/
string str;
char ch;
int len,i,k;
bool x,y;
while (cin >> ch >> str)
{
if (ch == '0' && str == "0")
break;
x = false;
len = str.size();
string a;
for (i=0; i<len; i++)
{
if (str[i] == ch)
continue;
if (str[i] != '0')
x = true;
if (x)
a += str[i];
}
len = a.size();
k = 0;
if (len == 0)
a = "0";
else
{
for (i=0; i<len; i++)
if (a[i] == '0')
k++;
if (k == len)
a = "0";
}
cout << a << endl;
}
return 0;
}
Bismillahir Rahmanir Rahim
Read the name of Allah, who created you!!!
Author : Shah Newaj Rabbi Shishir
Department of CSE, City University, Bangladesh.
***/
#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
#define scase sf ("%d",&tc)
#define sn sf ("%d",&n)
#define whilecase while (tc--)
#define eof while (cin >> n)
#define forloop for (pos=1; pos<=tc; pos++)
#define arrayloop (i=0; i<n; i++)
#define cinstr cin >> str
#define getstr getline (cin,str)
#define pcase pf ("Case %d: ",pos)
#define pb push_back
#define in insert
#define llu unsigned long long
#define lld long long
#define U unsigned int
int main (void)
{
/*freopen ("input.txt","r",stdin);
freopen ("output.txt","w",stdout);*/
string str;
char ch;
int len,i,k;
bool x,y;
while (cin >> ch >> str)
{
if (ch == '0' && str == "0")
break;
x = false;
len = str.size();
string a;
for (i=0; i<len; i++)
{
if (str[i] == ch)
continue;
if (str[i] != '0')
x = true;
if (x)
a += str[i];
}
len = a.size();
k = 0;
if (len == 0)
a = "0";
else
{
for (i=0; i<len; i++)
if (a[i] == '0')
k++;
if (k == len)
a = "0";
}
cout << a << endl;
}
return 0;
}
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