#include<stdio.h>
#include<conio.h>
#include<math.h>
#include<string.h>
void DOIHE(int value,char *KetQua,int coso)
{
int idx=0;
while(value!=0)
{
int so= (value%coso);
if(so<9)
{
KetQua[idx++]=so+48;
}
else if(so==10)
{
KetQua[idx++]='A';
}
else if(so==11)
{
KetQua[idx++]='B';
}
else if(so==12)
{
KetQua[idx++]='C';
}
else if(so==13)
{
KetQua[idx++]='D';
}
else if(so==14)
{
KetQua[idx++]='E';
}
else if(so==15)
{
KetQua[idx++]='F';
}
value/=coso;
}
KetQua[idx]='\0';
strrev(KetQua);
}
int ChuyenheSangSo(char *S)
{
int Lenth=strlen(S);
int tong=0;
for(int i=Lenth-1;i>=0;i--)
{
int So=S[i]-48;
tong+=So*pow(2.0,i);
}
return tong;
}
int main()
{
char S[30]="11111010";
int k=ChuyenheSangSo(S);
printf("%d",k);
getch();
return 0;
}
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