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Hexadecimal to decimal
2022-07-05 04:11:00 【CSDNhdlg】
#include<stdio.h>
int main(){
char s[50];
scanf("%s",s);
int t,i;
long sum=0;
for(i=0;s[i];i++){
if(s[i]<='9')
t=s[i]-'0';
else
t=s[i]-'A'+10;
sum=sum*16+t;
}
printf("%ld\n",sum);
return 0;
}
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