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CHODE.c
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#include<stdio.h>
#include<string.h>
#define ll long long int
void merge(ll * ,ll * ,ll ,ll ,ll );
void mergesort(ll *a,ll*b,ll lb,ll ub)
{
ll mid=(lb+ub)/2;
if(lb<ub)
{
mergesort(a,b,lb,mid);
mergesort(a,b,mid+1,ub);
merge(a,b,lb,mid,ub);
}
}
void merge(ll *a,ll *b,ll lb,ll mid,ll ub)
{
ll c[ub-lb+1],d[ub-lb+1];
ll i=0,lp=lb,up=mid+1;
while(lp<=mid&&up<=ub)
{
if(a[lp]<a[up])
{
c[i++]=a[lp++];
d[i-1]=b[lp-1];
}
else
{
c[i++]=a[up++];
d[i-1]=b[up-1];
}
}
while(lp<=mid)
{
c[i++]=a[lp++];
d[i-1]=b[lp-1];
}
while(up<=ub)
{
c[i++]=a[up++];
d[i-1]=b[up-1];
}
ll j;
for(j=0;j<i;j++)
{
a[j+lb]=c[j];
b[j+lb]=d[j];
}
return;
}
char text[150010];
ll tex[150010];
int main()
{
ll t,f[26],freq[26],l,i,no[26],x[26];
char fs[30];
scanf("%lld",&t);
while(t--)
{
scanf ("\n%[^\r\n]",fs);
scanf ("\n%[^\r\n]",text);
l=strlen(text);
for(i=0;i<26;i++)
{
f[i]=fs[i];
freq[i]=0;
no[i]=25-i;
}
for(i=0;i<l;i++)
{
tex[i]=text[i];
if(tex[i]-'a'>=0 && tex[i]-'a'<26)
freq[tex[i]-'a']++;
if(tex[i]-'A'>=0 && tex[i]-'A'<26)
freq[tex[i]-'A']++;
}
for(i=0;i<26;i++)
x[i]=freq[25-i];
mergesort(x,no,0,25);
mergesort(no,f,0,25);
for(i=l-1;i>=0;i--)
{
if(tex[i]-'a'>=0 && tex[i]-'a'<26)
tex[i]=f[tex[i]-'a'];
if(tex[i]-'A'>=0 && tex[i]-'A'<26)
tex[i]=f[tex[i]-'A']-'a'+'A';
text[i]=tex[i];
}
printf("%s\n",text);
}
return 0;
}