------------------------------------------------------------------------摘自 宋鲁生 程序设计大赛 乘法口诀表 #include #include void main(void) { int i,j,x,y; clrscr(); printf("\n\n * * * 乘法口诀表 * * * \n\n"); x=9; y=5; for(i=1;i<=9;i++) { gotoxy(x,y); printf("%2d ",i); x+=3; } x=7; y=6; for(i=1;i<=9;i++) { gotoxy(x,y); printf("%2d ",i); y++; } x=9; y= 6; for(i=1;i<=9;i++) { for(j=1;j<=9;j++) { gotoxy(x,y); printf("%2d ",i*j); y++; } y-=9; x+=3; } printf("\n\n"); } 用一维数组统计学生成绩 #include void main() { char SelectKey,CreditMoney,DebitMoney; while(1) { do{ clrscr(); puts("========================="); puts("| Please select key: |"); puts("| 1. Quary |"); puts("| 2. Credit |"); puts("| 3. Debit |"); puts("| 4. Return |"); puts("========================="); SelectKey = getch(); } while( SelectKey!='1' && SelectKey!='2' && SelectKey!='3' && SelectKey!='4' ); switch(SelectKey) { case '1': clrscr(); puts("================================"); puts("| Your balance is $1000. |"); puts("| Press any key to return... |"); puts("================================"); getch(); break; case '2': do{ clrscr(); puts("=================================="); puts("| Please select Credit money: |"); puts("| 1. $50 |"); puts("| 2. $100 |"); puts("| 3. Return |"); puts("=================================="); CreditMoney = getch(); } while( CreditMoney!='1' && CreditMoney!='2' && CreditMoney!='3' ); switch(CreditMoney) { case '1': clrscr(); puts("========================================="); puts("| Your Credit money is $50,Thank you! |"); puts("| Press any key to return... |"); puts("========================================="); getch(); break; case '2': clrscr(); puts("=========================================="); puts("| Your Credit money is $100,Thank you! |")...
