c语言问题！！写一个函数int even(int a)功能是判断a的 奇偶性，如果a为偶 C语言：编写一个程序，判断一个整数的奇偶性。如果是奇数，输入...
C\u8bed\u8a00\u95ee\u9898\uff0c\u7f16\u5199\u51fd\u6570\uff0c\u529f\u80fd\u4e3a\u5224\u65ad\u6574\u6570\u7684\u5947\u5076\u6027\uff0c\u51fd\u6570\u5f62\u5f0f\u4e3aint even(int n\uff09\uff1fint even(int n)
{
if(n%2)return 0;
else return 1;
if(even(n))sum+=n;
}
main()
{
int n, sum=0;
while(1)
{
scanf("%d",&n);
if(n<=0)break;
if(even(n))sum+=n;
}
printf("%d",sum);
}
\u6709\u4ec0\u4e48\u95ee\u9898\u8bf7\u7559\u8a00\u3002
#includevoid main(){ int n = 0; scanf("%d", &n); //\u8ba9\u7528\u6237\u8f93\u5165\u6570\u5b57 printf("%d", n%2 == 0 ? 2 : 1); //\u5224\u65ad\u6570\u5b57\u662f\u5426\u80fd\u88ab2\u6574\u9664}\u8bf7\u53c2\u8003\u4e0a\u9762\u7684\u4ee3\u7801\u3002
#include <stdio.h>
int even(int n)
{return n%2;
}
int main()
{int i,n1,n2,x;
for(i=n1=n2=0;i<10;i++)
{scanf("%d",&x);
if(even(x))n1++;
else n2++;
}
printf("其中有%d个奇数，%d个偶数
",n1,n2);
return 0;
}
#include<stdio.h>
#define N 10
int event(int a)
{
if(a%2==0) //模2判断奇偶性
return 0;
else
return 1;
}
int main()
{
int i=0;
int num;
int test;
int counter1=0,counter2=0;
printf("input number:
");
while(i<N)
{
scanf("%d",&num);
test=event(num);
if(test)
{
printf("奇数
");
counter1++;
}
else
{
printf("偶数
");
counter2++;
}
i++;
}
printf("奇数有%d个
偶数有%d个",counter1,counter2);
return 0;
}
绛旓細include<stdio.h> float sort(float a[],int n){ float t;for(int i=0;i<n;i++)for(int j=0;j<n-1-i;j++)if(a[j]>a[j+1]){ t=a[j];a[j]=a[j+1];a[j+1]=t;} for(int i=0;i<n;i++)printf("%.f ",a[i]);} int main(){ float a[20]={12,0,63...
绛旓細int main(){ char c[20];char d[20];int i,l;//gets(c);//杈撳叆瀛楃涓;scanf("%s",c);//鍙︿竴绉嶆柟寮;濡傛灉杈撳叆鐨勬槸瀛楃涓,鍒欎笉闇瑕佸姞鍦板潃绗,鍥犱负鍦c璇█涓鏁扮粍鍚嶄唬琛ㄨ鏁扮粍鐨勮捣濮嬪湴鍧;l=strlen(c);//娴嬭瘯瀛楃涓查暱搴;str(c,d);//璋冪敤鍑芥暟;for(i=0;i<l;i++){ printf("%c",...
绛旓細int fun(int n){ int i,j,t1,t2=0,t3=0;j=1;for(i=10000;i>1;i=i/10){ t1=n%i;if(j==5){ t2=t1;} if(j==6){ t3=t1;} j++;} return (t2-t3);}
绛旓細j)+1; //j鐨勫钩鏂规暟+1i=2;while(i<n) { if(j%i==0)//鏁撮櫎锛岄鍑哄惊鐜痓reak;i++;} if(i==n) //闈炴暣闄ら鍑哄惊鐜紝i鑲畾绛変簬nprintf("%d ",j); //j鏄礌鏁帮紝杈撳嚭}}int main() { int a,b; scanf("%d%d",&a,&b); //杈撳叆鏁存暟鑼冨洿a-bprime(a,b);return 0;} ...
绛旓細int get_int(void) { int num; char str[40]; while(scanf("%d",&num)!=1)//褰撹緭鍏ヤ笉鏄暣鏁版椂 { gets(str);//娓呯┖缂撳瓨鍖 printf("error!%s is not a number.input again.\n"); } while (getchar()!='\n') continue;//璺宠繃杈撳叆琛岀殑鍓╀綑閮ㄥ垎 return num;//杩斿洖杈撳叆鐨勬暣鏁 } ...
绛旓細浠ｇ爜锛int IsEchoNum(int num){ int tmp=0;for(int n=num;n;n/=10)tmp=tmp*10+n%10;return tmp==num;} int main(int argc,char*argv[]){ int num=12321;printf("%d%d\n",num,IsEchoNum(num));}
绛旓細define MAX 1000 int fa(int a);//瀵瑰簲棰樼洰1鐨鍑芥暟锛屽弬鏁帮細瑕侀櫎鐨勬暟锛岃繑鍥炲彲浠ヨ鏁撮櫎鐨勬暟涔嬪拰 int getByIndex(int n);//瀵瑰簲棰樼洰2锛岃繑鍥炴暟鍒楃n椤癸紝閿欒杩斿洖-1 int main(){ printf("1銆%d~%d涔嬮棿鑳借%d鏁撮櫎鐨勬暟瀛椾箣鍜屼负锛%d\n",MIN,MAX,8,fa(8));printf("2銆佹暟鍒楀ご涓変釜鏁颁负4,5...
绛旓細浠ｇ爜濡備笅锛歩nclude <iostream>using namespace std;int leap_year(int n){ if(n%400==0||(n%4==0 && n%100!=0)) return 1; else return 0;}int main(){ int year,month,day; int dayCount=0,i; int mon[]={31,28,31,30,31,30,31,31,30,31,30,31}...
绛旓細include<stdio.h> include<string.h> void input(char st[]);//瀹氫箟杈撳叆鍑芥暟 void output(char st[]);//瀹氫箟杈撳嚭鍑芥暟 void letter(char x[],char y[]);//瀹氫箟鍏冮煶澶嶅埗鍑芥暟 int main(){ char s1[20],s2[10];input(s1);//璋冪敤杈撳叆鍑芥暟 letter(s1,s2);//璋冪敤鍏冮煶澶嶅埗鍑芥暟 output(s2);...
绛旓細include <stdio.h> int SUM(){ int n, sum= 0;for(n = 1;n<=100;n++){ sum += n;} return sum;} int main(void){ printf("1-100鐨勫拰涓%d",SUM());return 0;}
