王重阳160809311第5次作业

#include<stdio.h>//输入三个数有小到大排序
int main()
{
    int x;
    int y;
    int z;
    printf("输入三个整数:");
    scanf("%d %d %d",&x,&y,&z);
    if(x<y && x<z)
    {
        if(y<z)
        printf("按从小到大排序为：%d %d %d\n",x, y, z);
        if(y>z)
        printf("按从小到大排序为：%d %d %d\n",x, z, y);

    }
        if(y<x && y<z)
    {
        if(x<z)
        printf("按从小到大排序为：%d %d %d\n",y, x, z);
        if(x>z)
        printf("按从小到大排序为：%d %d %d\n",y, z, x);

    }
            if(z<y && z<x)
    {
        if(y<x)
        printf("按从小到大排序为：%d %d %d\n",z, y, x);
        if(y>x)
        printf("按从小到大排序为：%d %d %d\n",z, x, y);

    }
      return 0;

}

#include<stdio.h>
int main()//2.高速公路限速处罚
{
    int x,z;
    scanf("%d %d",&x,&z);
    double b = (double)(x-z)*100/z;
    if (b>50)printf("超过限速 %.0f%%. 吊销执照",b);
    if(b>=10&&b<=50)printf("超出限速 %.0f%%. 罚款 200",b);
    if(b<10)printf("未超过限速");
}

int count(double x){//TODO:
if (x<0) {cout<<"不可能"<<endl; return 0;}
double t=0;
if (x<3) {
t=10;
}else{
t+=10;
if (x>13) {
t+=20+3*(x-13);
}else{
t+=2*(x-3);
}
}

return int(t+0.5);
}

#include <stdio.h>
int main()//4.五级制成绩分布
{
    int i,A,B,C,D,E,n,s;
    A=B=C=D=E=0;
    printf("Enter n:");
    scanf("%d",&n);
    for(i=0;i<n;++i)
    {
        printf("Enter grade %d:",i+1);
        scanf("%d",&s);
        switch(s/10)
        {
        case 1:
        case 2:
        case 3:
        case 4:
        case 5:E++;break;
        case 6:D++;break;
        case 7:C++;break;
        case 8:B++;break;
        case 9:
        case 10:A++;break;
        }
    }
    printf("The number of A(90~100):%d\n",A);
    printf("The number of B(80~89):%d\n",B);
    printf("The number of C(70~79):%d\n",C);
    printf("The number of D(60~69):%d\n",D);
    printf("The number of E(0~59):%d\n",E);
    return 0;
}

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

#include <stdio.h>//三角形判断

int main()
{
    int a,b,c;
    printf("Please input the triangle 3 side length...\n");
    scanf("%d%d%d",&a,&b,&c);
    if(a+b<=c || a+c<=b || b+c<=a)
        printf("Not a triangle!\n");
    else if(a==b && b==c)
        printf("A equileteral triangle!\n");
    else if(a==b || b==c || a==c)
        printf("A isosceles triangle!\n");
    else if(a*a+b*b==c*c || a*a==b*b+c*c || a*a+c*c==b*b)
        printf("A right triangle!\n");
    else printf("Impossible\n");
}

#include<stdio.h>
int main()//6.双循环打印三角形
{
    int i,j;
    for(j=1;j<=10;j++)
    {
        for(i=1;i<=11-j;i++)
        {
            printf("*");
        }
        printf("\n");
    }
}

#include<stdio.h>
int main()//出租车计价
{
     int s,time,rmb;
     printf("请分别输入行驶里程（公里）和等待时间（分钟）：");
    scanf("%d %d",&s,&time);
     if (time%5==0)
     {
         if(s<=0)
         rmb=(time/5)*2;
          else if (s<=3)
           rmb=10+(time/5)*2;
        else if(s<=10)
           rmb=10+(s-3)*2+(time/5)*2;
          else
          rmb=10+(10-3)*2+(s-10)*3+(time/5)*2;
     }
     else
     {
        if (s<=0)
          rmb=(time/5+1)*2;
          else if (s<=3)
        rmb=10+(time/5+1)*2;
         else if(s<=10)
           rmb=10+(s-3)*2+(time/5+1)*2;
          else
          rmb=10+(10-3)*2+(s-10)*3+(time/5+1)*2;
     }
    printf("乘客应付%d元\n",rmb);
    return 0;
}