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// LongInt.cpp : Defines the entry point for the console application. // #include " stdafx.h " #include " string.h " #define MAXLEN 50 /**/ /*function InputLongInt()长整数输入函数*/ int InputLongInt( int * a, char * para) ... { int len,i; char number[MAXLEN]; printf("请输入[%s]长整数: ",para); scanf("%s",number); len = strlen(number); for(i=len;i>=1;i--) a[i] = number[len-i]-'0'; a[0] = len; return(a[0]);} /**/ /*function OutputLongInt()长整数输出函数*/ void OutputLongInt( int * a, char * para) ... { int i; printf("输出的[%s]长整数: ",para); for(i=a[0];i>=1;i--) printf("%d",a[i]); printf(" ");} /**/ /*function FormatLongInt()长整数规范化函数*/ int FormatLongInt( int * a) ... { int p; for(p=1;p<a[0]||a[p]>=10;p++) ...{ if(p>=a[0]) a[p++] = 0; a[p++] += a[p]/10; a[p] = a[p]%10; } if(p>a[0]) a[0] = p; return(a[0]);} /**/ /*function LongIntAddLongInt()长整数加长整数函数相加的和放在数组A中*/ void LongIntAddLongInt( int * a, int * b) ... { int i; while(a[0] < b[0]) a[++a[0]] = 0; for(i=1;i<=b[0];i++) a[i] += b[i]; FormatLongInt(a);} /**/ /*function LongIntDivInt()长整数除普通整数函数除得的商放在数组A中,余数放在返回值中*/ int LongIntDivInt( int * a, int divisor) ... { int p, //存储相除后的余数下标 k; //存储数字个数(长整数有效数字个数) k = p = a[0]; a[0] = 0; while(p>0) ...{ a[p-1] += a[p] % divisor * 10; a[p] = a[p] / divisor; if(a[k]==0) k--; p--; } p = a[0] / 10; //保存余数 a[0] = k; //回写有效数字个数 FormatLongInt(a); return(p);} /**/ /*function LongIntDivInt()长整数转换成二进制数函数转换的二进制数存储数组B中*/ void LongIntToBin( int * a, int * b) ... { int p; b[0] = 0; while(a[0] > 0) ...{ b[0]++; b[b[0]] = a[1] % 2; p = a[0]; while(p > 0) ...{ if((a[p] % 2) && (p > 1)) a[p-1] += 10; a[p] /= 2; if(a[a[0]] == 0) a[0]--; p--; } }} int main( int argc, char * argv[]) ... { int a[MAXLEN],b[MAXLEN]; int len,residue; /**//* len = InputLongInt(a); printf("源长整数的长度是:%d ",len); str = "源"; OutputLongInt(a,str); len = FormatLongInt(a); printf("规范化后长整数的长度是:%d ",len); str = "规范化后"; OutputLongInt(a,str); residue = LongIntDivInt(a,11); str = "除以普通整数11后"; OutputLongInt(a,str); printf("长整数除以普通整数11后的余数是:%d ",residue); */ len = InputLongInt(a,"第一个加数"); //len = InputLongInt(b,"第二个加数"); //LongIntAddLongInt(a,b); //OutputLongInt(a,"两数相加的和"); LongIntToBin(a,b); OutputLongInt(b,"转换后的二进制数"); printf(" 应用程序正在运行! "); return 0;} Trackback: http://tb.blog.csdn.net/TrackBack.aspx?PostId=935663