定义一个将十进制转化为16进制

Question

）定义一个将十进制数转换成十六进制数的函数void dec_to_hex(int n),该函数的功能是将参数中的十进制数以十六进制方式输出。在主函数输入一个十进制整数，然后调用dec2hex()输出对应的十六进制数。 #include <stdio.h> _________⑴__________; // dec_to_hex函数的声明 int main() { int n,rem; printf("Enter n: "); scanf("%d",&n); printf("\n十进制数：%d 转换为十六进制数是：",n); ______⑵_______; // dec_to_hex函数的调用 printf("\n"); return 0; } void dec_to_hex (int n) { char num[20]; int rem,i=0; do { rem=n%16;   //存放余数 n=n/16; if (rem<10) _____⑶_____ //10以内的数字转换成对应的字符存放在字符数组num[]中 else ____⑷_____ //10以上的数字转换成对应的字符存放在字符数组num[]中 }while(n>0); for(i=i-1;i>=0;i--) printf("%c",num[i]); printf("\n"); }

Answer 1

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Answer 2

#include <stdio.h>; void dec-to-hex（int n） // dec_to_hex函数的声明 int main() { int n,rem; printf("Enter n: "); scanf("%d",&n); printf("\n十进制数：%d 转换为十六进制数是：",n); dec-to-hex（n） ；// dec_to_hex函数的调用 printf("\n"); return 0; } void dec_to_hex (int n) { char num[20]; int rem,i=0; do { rem=n%16; //存放余数 n=n/16; if (rem<10) num［i++］=‘0’+rem；//10以内的数字转换成对应的字符存放在字符数组num[]中 else num［i++］=‘A’+（rem-10）；//10以上的数字转换成对应的字符存放在字符数组num[]中 }while(n>0); for(i=i-1;i>=0;i--) printf("%c",num[i]); printf("\n"); }