include<stdio.h> int main(){ int a[3],max=0,min=1000000; for(int i=0;i<3;i++){ scanf("%d",&a[i]); } for(int i=0;i<3;i++){ if(max < a[i]){ max = a[i]; } if(min > a[i]){ min = a[i]; } } printf("The maximum number is : %d\n",max); printf("The minimum number is : %d\n",min);}

include<stdio.h> main(){int weight;scanf("%d",&weight);if(weight%2==0&&weight>2)printf("YES, you can divide the watermelon into two even parts.");elseprintf("NO, you can't divide the watermelon into two even parts.");}

include<stdio.h> main(){int n;scanf("%d",&n);if(n%4==0&&n%100!=0||n%400==0)printf("yes");elseprintf("no");}

include<stdio.h> main(){int n;scanf("%d",&n);if(n%2==0||n>50)printf("yes");elseprintf("no");}

#include<stdio.h> main() {int n; scanf("%d",&n); if(n%2==0&&n>50) printf("yes"); else printf("no");}

include<stdio.h> main(){int x,y,t;scanf("%d%d",&x,&y);if(x<y){t=x;x=y;y=t;}printf("%d\n%d",x,y);}

include<stdio.h> main(){int n;scanf("%d",&n);if(n%2)printf("odd"); else printf("even");}

include<stdio.h> main(){int a,b;scanf("%d %d",&a,&b);printf("%d+%d=%d\n",a,b,a+b);printf("%7d\n+%6d\n-------\n%7d",a,b,a+b);}//格式控制符控制数据宽度，数值型数据默认右对齐，左补空格

include<stdio.h> main(){int n,m;scanf("%d",&n);m=(n+5)/10*10;printf("%d",m);}

include<stdio.h> main(){double f,c;scanf("%lf",&f);c=(double)5/9*(f-32);printf("%.3lf",c);}

include<stdio.h> include<math.h> main(){int n,m; scanf("%d",&n);m=sqrt(n); //整形数据间的运算本身就包含向下取整printf("%d",m);}

#include<stdio.h> main() {double wuwukai; int a,b,c; scanf("%d%d%d",&a,&b,&c); wuwukai=(double)(a+b+c)/3;   //对加法结果强制类型转换 printf("%.6lf",wuwukai);}     //double双精度输出

include<stdio.h> include<math.h> main(){double a; int down,up;scanf("%lf",&a); down=floor(a); up=ceil(a);printf("%d\n%d",down,up);}

include<stdio.h> main(){int up,down,height;double s; scanf("%d%d%d",&up,&down,&height); s=(double)(up+down)*height/2; printf("%.3f",s);}