判断某一年是否为闰年.doc

判断某一年是否为闰年.doc1判断某一年是否为闰年#include<>Intmain(){Intyear,leap;Printf(“enteryear:”);Scanf(“%d”,&year);If(year%4==0&&year%100!=0)11(year%400==0)Leap=1;elseleap=0;if(leap)print(“%dis”,year);elseprint(“%disnot”,year);print(“aleapyear.\n”);return0;}2求两个整数中较大者83求两个整数之和84求5!#include<>intmain(){inti,t;;t=1;i=2;while(i<=5){t=t*i;i=i+1;}printf(“%d\n”,t);return0;}550个学生成绩在80以上的学号和成绩61-1/2+1/3-1/4+...+1/99-1/100337给出一个大于或等于3的正整数,判断是否是素数#include<>intmain(){intn,i;Printf(“pleaseenteraintegernumber,n=?”);Scanf(“%d”,&n);For(i=2;i<=n-1;i++)If(n%i==0)break;If(i<n)printf(“%disnotaprimenumber.\n”,n);Elseprintf(“%disaprimenumber.\n”,n);Return0;}8存款389给定大写字母,用小写字母输出5510给出三角形三边长,求三角形面积5911求方程ax^2+bx+c,abc由键盘输出,设b^2-4ac>06512先后输出BOY三个字符7813从键盘输入BOY三个字符,然后输出到屏幕7914输入小写字母,现实大写字母8115输入两个实数,按代数值由小到大顺序输出8716输入三个数abc,由小到大顺序输出#include<>Intmain(){Floata,b,c,t;Scanf(“%f,%f,%f”,&a,&b,&c);If(a>b){T=a;A=b;B=t;}If(a>c){T=a;=t;}If(b>c){T=b;=t;}17输入一个字符,判断是否为大写是转换为小写不是不转换直接输出9918函数y=-1(x<0)y=0(x=0)y=1(x>0)输入x求y#include<>Intmain(){Intx,y;Scanf(“%d”,&x);Y=-1;ElseIf(x==0)y=0;Elsey=1;Printf(“x=%d,y=%d\n”,x,y);Return0;}19按等级输出分数,A85以上B70-84C60-69D<60等级由键盘输出21求方程的解10822累加1-100#include<>intmain(){inti=1,sum=0;while(i<=100){sum=sum+i;i++;}printf(“sum=%d\n”,sum);return0;}24输出4x5矩阵12826100-200的全部素数13727对10个数组元素赋值0123456789,按逆序输出14428二维数组行列互换152293x4矩阵,求最大元素的值和所在行号和列号#include<>Intmain(){inti,j,ro