第二次实验

╰+哭是因爲堅強的太久メ 2022-01-06 16:09 239阅读 0赞

#include<stdio.h>
    int main()
    {
    	char ch;
    	while((ch=getchar())!='#')
    		putchar(ch);
    	return 0;
    }

![1619835-20190411161907034-340253713.png][]

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#include<stdio.h>
    int main()
    {
    	int year,a,b,c;
    	printf("input the year\n");
    	scanf("%d",&year);
    	a=year/4;
    	b=year/100;
    	c=year/400;
    if(a=0 && b!=0)
    printf("year %d,mouth: 2,days: 29\n",year);	 
     else
     if(c=0)
    printf("year %d,mouth: 2,days: 29\n",year);
     else
    printf("year %d,mouth: 2,days: 28\n",year);
    return 0;
    }

![1619835-20190411152847655-1913472291.png][]

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#include<stdio.h>
    int main()
    {
    int a,b,c;
    printf("please input date");
    scanf("%d%d%d",&a,&b,&c);
    if(a+b<=c||a+c<=b||b+c<=a)
    printf("error");
    else if(a==b==c)
    printf("该三角形为等边三角形");
    else if(a==b||a==c||b==c)
    printf("该三角形为等腰三角形");
    else if(a*a+b*b<c*c||a*a+c*c<b*b||b*b+c*c<a*a)
    printf("该三角形为直角三角形");
    else
    printf("该三角形为一般三角形");
    return 0;
    }

![1619835-20190411154231804-688879571.png][]

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#include<stdio.h>
    #define shui0 0
    #define shui1 0.05
    #define shui2 0.08
    #define shui3 0.10
    #define shui4 0.15
    int main()
    {
    float a,b,c;
    printf("please input date");
    scanf("%f",&a);
    b=0;
    c=0;
    if(a<500)
    printf("奖金a=%f  税率rate=%f 应缴税款tax=%f 实得奖金数profit=%f",a,shui0,b,a);
    else if(a>=500&&a<1000)
    {b=a*shui1;
    c=a-b;
    printf("奖金a=%f  税率rate=%f 应缴税款tax=%f 实得奖金数profit=%f",a,shui1,b,c);}
    else if(a>=1000&&a<2000)
    {b=a*shui2;
    c=a-b;
    printf("奖金a=%f  税率rate=%f 应缴税款tax=%f 实得奖金数profit=%f",a,shui2,b,c);}
    else if(a>=2000&&a<5000)
    {b=a*shui3;
    c=a-b;
    printf("奖金a=%f  税率rate=%f 应缴税款tax=%f 实得奖金数profit=%f",a,shui3,b,c);}
    else if(a>=5000)
    {b=a*shui4;
    c=a-b;
    printf("奖金a=%f  税率rate=%f 应缴税款tax=%f 实得奖金数profit=%f",a,shui4,b,c);}
    return 0;
    }

![1619835-20190411161218686-1475863232.png][]![1619835-20190411161227648-445218155.png][]![1619835-20190411161234569-129407182.png][]![1619835-20190411161240014-1875197171.png][]![1619835-20190411161244970-1466644533.png][]

转载于:https://www.cnblogs.com/P201821430016/p/10690464.html

[1619835-20190411161907034-340253713.png]: /images/20211227/aad6783b82d14a91a4030df052d8df1e.png
[1619835-20190411152847655-1913472291.png]: /images/20211227/dbfcd6581ec14cefb2c95bcec0ee14ab.png
[1619835-20190411154231804-688879571.png]: /images/20211227/581044b1f4ee4c1f9b4ded3bded19d26.png
[1619835-20190411161218686-1475863232.png]: https://img2018.cnblogs.com/blog/1619835/201904/1619835-20190411161218686-1475863232.png
[1619835-20190411161227648-445218155.png]: https://img2018.cnblogs.com/blog/1619835/201904/1619835-20190411161227648-445218155.png
[1619835-20190411161234569-129407182.png]: https://img2018.cnblogs.com/blog/1619835/201904/1619835-20190411161234569-129407182.png
[1619835-20190411161240014-1875197171.png]: https://img2018.cnblogs.com/blog/1619835/201904/1619835-20190411161240014-1875197171.png
[1619835-20190411161244970-1466644533.png]: /images/20211227/e59dda22f0474dc9947c2a2e03a9c7a6.png