C_ÔÚswitch
Ô´Â룺
# include <stdlib.h>
# include <stdio.h>
int main()
{
int month;
int day;
printf("please input the month number: ");
scanf("%d", &month);
switch (month)
{
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12: day=31; // ÓÐ31ÌìµÄÔ·ÝÇé¿ö
break;
case 4:
case 6:
case 9:
case 11: day=30; // ÓÐ30ÌìµÄÔ·ݵÄÇé¿ö
break;
case 2: day=28; // ·ÇÈòÄêµÄ2ÔÂÓÐ28Ìì
break;
default: exit(0);
}
printf("1999.%d has %d days.\n", month, day);
return 0;
}
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Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨Òå×Ö·ûÐͱäÁ¿£¬²¢¸øËüÃǸ¶³õÖµ */
char c1, c2, c3, c4, c5, c6, c7;
c1 = 'C';
c2 = 'h';
c3 = 'i';
c4 = 'n';
& ......
Ô´Âë:
# include <stdio.h>
int main()
{
int x, y, num1, num2, temp;
printf("ÇëÊäÈëÁ½¸öÕýÕûÊý£º\n");
scanf("%d %d", &num1, &num2);
if(num1 < num2)
......
Ô´Â룺
# include <stdio.h>
int main( )
{
int radius;
double area;
for(radius = 1; radius <= 10 ; radius++)
{
area = 3.1416 * radius * radius;
......