編寫 C 程式以使用 elseif 語句以文字形式列印數字
問題
在不使用 switch case 的情況下,如何使用 C 程式語言以文字形式列印給定數字?
解決方案
在此程式中,我們正在檢查三個條件以以文字形式列印兩位數 −
if(no<0 || no>99)
輸入的數字不是兩位數
else if(no==0)
將第一個數字列印為零
else if(no>=10 && no<=19)
以文字形式列印個位數
else if(no>=20 && no<=90)
if(no%10 == 0)
以文字形式列印兩位數
程式
#include<stdio.h> #include<string.h> int main(){ int no; char *firstno[]={"zero","ten","eleven","twelve","thirteen", "fourteen","fifteen","sixteen","seventeen", "eighteen","nineteen"}; char *secondno[]={"twenty","thirty","forty","fifty","sixty", "seventy","eighty","ninty"}; char *thirdno[]={"one","two","three","four","five","six","seven","eight","nine"}; printf("enter a number:"); scanf("%d",&no); if(no<0 || no>99) printf("enter number is not a two digit number
"); else if(no==0) printf("the enter no is:%s
",firstno[no]); else if(no>=10 && no<=19) printf("the enter no is:%s
",firstno[no-10+1]); else if(no>=20 && no<=90) if(no%10 == 0) printf("the enter no is:%s
",secondno[no/10 - 2]); else printf("the enter no is:%s %s
",secondno[no/10-2],thirdno[no%10-1]); return 0; }
輸出
enter a number:79 the enter no is: seventy nine enter a number:234 enter number is not a two digit number
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