C_ÔÚswitch
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# 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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#include <stdio.h>
#define MAX 100
int a[MAX], b[MAX], count = 0;
void rData()
{ int i;
FILE *fp;
fp = fopen("C:\\100.dat", "r");
for (i=0; i<MAX; i++)
fscanf(fp, "%d,", &a[i]);
fclose(fp);
}
void main()
{ int i;
rData();
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