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char a[4] ={'1', '1', '1', '0'};
char b = 'e';
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C/C++ code:
#include<stdio.h>
int main()
{
char a[4] ={'1', '1', '1', '0'};
char b=0;
int i;
for(i=0;i<4;i++)
{
b|=a[i]-'0';
b<<=1;
}
printf("%x\n",b);
return 0;
}
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