我試圖聯合 所以,我不明白爲什麼我的編譯器是不是讓我接受輸入時convhex()從主叫的原因。它直接打印一些結果..我不明白這一點。 下面的代碼..爲什麼這個功能會給人意想不到的結果?
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <String.h>
void convhex();
void convert(int no, int base);
int checkValid(int base,int no);
// function prototyping done here
void convhex()
{
char ch[10];
int dec=0;
int i, res;
printf("Enter the hexadecimal number \n");
scanf("%[^\n]", ch);
// print in decimal
for(i=strlen(ch)-1;i>=0;i--)
{
if(ch[i]>65)
res=ch[i]-65+10;
else
res=ch[i]-48;
//printf("%d", res);
dec=dec+pow(16,strlen(ch)-(i+1))*res;
}
printf("\nThe number in decimal is %d \n", dec);
}
int checkValid(int base,int no)
{
int rem;
//flag;
// flag=0;
while(no>0)
{
rem=no%10;
if(rem>base)
{
//flag=1;
//break;
return 0;
}
no/=10;
}
return 1;
/*
if(flag==1)
printf("Invalid Input");
else
printf("Valid Input");
*/
}
void convert(int no, int base)
{
int temp, mod, sum=0, i=0;
temp=no;
while(temp>0)
{
mod=temp%10;
temp=temp/10;
sum=sum+pow(base,i)*mod;
i++;
}
printf("\n The number in base 10 is %d", sum);
}
int main()
{
int base, no;
printf("Enter the base \n");
scanf("%d", &base);
if(base==16)
convhex();
else
{
printf("Enter the number \n");
scanf("%d", &no);
printf("You have entered %d", no);
if(checkValid(base, no))
convert(no, base);
}
return 0;
}
// up until now our program can work with any base from 0-10 but not hexadecimal
// in case of hex, we have A-F
你的編譯器說什麼? – HAL
它在命令提示符下顯示如下: http://puu.sh/7Lwa8.png – Xavier
'scanf(「%[^ \ n]」,ch);' – BLUEPIXY