提交记录 #424

编译情况：编译成功

code.c: In function ‘main’:
code.c:86:5: warning: implicit declaration of function ‘gets’; did you mean ‘fgets’? [-Wimplicit-function-declaration]
   86 |     gets(s);int j=0,point,deg,d,k=0,ind=0;
      |     ^~~~
      |     fgets
/usr/bin/ld: /tmp/ccqUVxOG.o: in function `main':
code.c:(.text.startup+0x14): warning: the `gets' function is dangerous and should not be used.

固定测试点#1:

Accepted

0.001s

292 kB

固定测试点#2:

Accepted

0.000s

292 kB

固定测试点#3:

Accepted

0.001s

748 kB

固定测试点#4:

Accepted

0.001s

4 kB

固定测试点#5:

Accepted

0.000s

292 kB

固定测试点#6:

Runtime Error: - Returning:-11

0.006s

292 kB

附加测试点暂不可用

不可用

N/A

H21【选做▪中学】科学记数法

#include<stdio.h>
#include<string.h>
#include<math.h>

char s[100];char ans[100],sig;
int checkpoint(char *p)
{
    int i;
    for(i=0;i<strlen(p);i++)
    {
        if(*(p+i)=='.')
        {
            break;
        }
    }
    if(i==strlen(p))
    {
        return 0;
    }
    else
    {
        return i;
    }
}
void swap(char *p1, char *p2)
{
    char temp=0;
    temp=*p1;*p1=*p2;*p2=temp;
}
int checkdeg(void)
{
    int j=0,deg=0,count=0;
    for(j=strlen(s)-1;j>=0;j--)
    {
        if(s[j]>=48&&s[j]<=57)
        {
            deg=deg+(s[j]-48)*pow(10,count);count++;
        }
        else if(s[j]=='-')
        {
            deg=-deg;
        }
        else if(s[j]=='E'||s[j]=='e')
        {
            break;
        }
    }
    return deg;
}
void output(void)
{
    int d=strlen(ans),j,k,ind=0;
    if(sig=='-')
    {
        printf("-");
    }
    for(j=d;j<=d+8;j++)
    {
        ans[j]='0';
    }
    for(k=0;;k++)
    {
        if(ind==0&&ans[k]=='0'&&ans[k+1]!='.')
        {
            continue;
        }
        if(ans[k]!='0')
        {
            ind=1;
        }
        printf("%c",ans[k]);
        if(ans[k]=='.')
        {
            for(j=1;j<=8;j++)
            {
                printf("%c",ans[k+j]);
            }
            break;
        }
    }
    printf("\n");
}
int main()
{
    gets(s);int j=0,point,deg,d,k=0,ind=0;
    
    for(j=0;;j++)
    {
        if(s[j]==' ')
        {
            break;
        }
        if(s[j]=='-')
        {
            sig='-';continue;
        }
        ans[k++]=s[j];
    }
    for(;j<100;j++)
    {
        ans[j]='\0';
    }
    //puts(ans);//printf("j=%d\n",j);
    point=checkpoint(ans);deg=checkdeg();
    //printf("%d\n",strlen(ans)-point);
    if(point!=0)
    {
        if(deg>0)
        {
            if(deg>=strlen(ans)-point-1)
            {
                d=deg-strlen(ans)+point+1;//printf("d=%d,strlen(ans)=%d\n",d,strlen(ans));puts(ans);
                for(j=strlen(ans);j<deg+point+1;j++)
                {
                    ans[j]='0';
                }
                for(;j<100;j++)
                {
                    ans[j]='\0';
                }
                if(sig=='-')
                {
                    printf("-");
                }
                for(k=0;k<strlen(ans);k++)
                {
                    if((ind==0&&ans[k]=='0')||ans[k]=='.')
                    {
                        continue;
                    }
                    if(ans[k]!='0'&&ans[k]!='.')
                    {
                        ind=1;
                    }
                    printf("%c",ans[k]);
                }
                printf(".00000000\n");
            }
            else
            {
                for(j=0;j<deg;j++)
                {
                    swap((ans+point+j),(ans+point+1+j));
                }
                output();
            }
        }
        else if(deg<0)
        {
            deg=-deg;
            if(point<=deg)
            {
                d=deg-point+1;int l=strlen(ans)-1;
                for(j=d+l;j>=d;j--)
                {
                    ans[j]=ans[j-d];
                }
                for(;j>=0;j--)
                {
                    ans[j]='0';
                }
                for(j=checkpoint(ans);j>1;j--)
                {
                    swap((ans+j-1),(ans+j));
                }
                output();
            }
            else
            {
                for(j=checkpoint(ans);j>point-deg;j--)
                {
                    swap((ans+j-1),(ans+j));
                }
                output();
            }
        }
        else
        {
            output();
        }
    }
    else
    {
        if(deg>0)
        {
            d=strlen(ans);
            for(j=d;j<d+deg;j++)
            {
                ans[j]='0';
            }
            puts(ans);printf("\n");
        }
        else if(deg<0)
        {
            ans[strlen(ans)]='.';point=checkpoint(ans);
            deg=-deg;
            if(point<=deg)
            {
                d=deg-point+1;int l=strlen(ans)-1;
                for(j=d+l;j>=d;j--)
                {
                    ans[j]=ans[j-d];
                }
                for(;j>=0;j--)
                {
                    ans[j]='0';
                }
                for(j=checkpoint(ans);j>1;j--)
                {
                    swap((ans+j-1),(ans+j));
                }
                output();
            }
            else
            {
                for(j=checkpoint(ans);j>point-deg;j--)
                {
                    swap((ans+j-1),(ans+j));
                }
                output();
            }
        }
        else
        {
            ans[strlen(ans)]='.';point=checkpoint(ans);
            output();
        }
    }
    return 0;
}