题目链接:https://vjudge.net/problem/HDU-1720
十六进制转化为10进制A+B,可以%x强制转换,但是还是勤奋点吧。
1 #include2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8 9 using namespace std;10 11 int work(char *x)12 {13 int len,i,sum=0;14 len=strlen(x);15 for(i=0;i ='A'&&x[i]<='F') sum=sum*16+(x[i]-'A'+10);18 if(x[i]>='a'&&x[i]<='f') sum=sum*16+(x[i]-'a'+10);19 if(x[i]>='0'&&x[i]<='9') sum=sum*16+(x[i]-'0');20 }21 return sum;22 }23 24 int main()25 {26 char a[1000],b[1000];27 while(~scanf("%s %s",a,b))28 printf("%d\n",work(a)+work(b));29 }