c语言 求n do while编程,帮忙看看这道c语言编程题，关于do-while的

要求编一个程序，把1000到3000之间的阿拉伯数字转换成罗马数字，保持程序持续运行下去，直到用户输入“e”或者“E”。前面都不成问题，但是运行时，在while那里，直接循环，跳过让用户输入的选项。哪里有问题？帮忙看看。加急！！！！！！！谢谢

#include

要求编一个程序，把1000到3000之间的阿拉伯数字转换成罗马数字，保持程序持续运行下去，直到用户输入“e”或者“E”。前面都不成问题，但是运行时，在while那里，直接循环，跳过让用户输入的选项。哪里有问题？帮忙看看。加急！！！！！！！谢谢

#include

#include

int main()

{

char *a[][10]={"","I","II","III","IV","V","VI","VII","VIII","IX",

"","X","XX","XXX","XL","L","LX","LXX","LXXX","XC",

"","C","CC","CCC","CD","D","DC","DCC","DCCC","CM",

"","M","MM","MMM"};

int n, t, i, m, d, f;

char asd;

do

{

printf("Please enter an four-digit integer Arabic number from 1000 to 3000:");

scanf("%d",&n);

printf("%d=",n);

for(m=0, i=10000; m<4; m++, i=i/10)

{

d=n%i;

f=i/10;

t=d/f;

printf("%s", a[3-m][t+1]);

}

printf("\n");

printf("Press Enter to continue. If you want to end this program, please enter 'e' or 'E'.\n");

asd=getchar();

printf("\n");

}while(!(asd='e'||'E'));

system("pause");

return 0;

}

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