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  • 第十次作业

    第一题:

    #include<stdio.h>
    void sum_diff( float op1, float op2, float *psum, float *pdiff )
    { 
        *psum=op1+op2;
        *pdiff=op1-op2; 
    } 
    int main() 
    {    
        float op1,op2,*psum,*pdiff,sum,diff;
        printf("请输入:op1 op2:");
        scanf("%f%f",&op1,&op2); 
        sum_diff(op1,op2,&sum,&diff); 
        printf("sum=%.2f,diff=%.2f",sum,diff);
        return 0;
    } 
    

      

    第二题:

    void findmax(int *px,int *py,int *pmax)
    {
        if(*px<*py)
            *pmax=*py;
        else
            *pmax=*px;
    }
    int main()
    {
        int x,y,max;
        printf("请输入: x,y:");
        scanf("%d%d",&x,&y);
        findmax(&x,&y,&max);
        printf("max=%d
    ",max); 
        return 0;
    }
    

      

    第三题:

    #include<stdio.h>
    void splitfloat(float x,int *intpart,float *fracpart);
    int main()
    {
        float x,fracpart;
        int intpart;
        printf("input x:");
        scanf("%f",&x);
        splitfloat(x,&intpart,&fracpart);
        printf("the intpart is:%d
    ",intpart);
        printf("the fracaprt is:%.3f
    ",fracpart);
        return 0;
    }
    void splitfloat(float x,int *intpart,float *fracpart)
    {
        if(x<0)
        x=-x;
        *intpart=(int)x;
        *fracpart=x-*intpart;
    }
    

      

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  • 原文地址:https://www.cnblogs.com/haoyi123/p/6119947.html
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