62 lines
767 B
C
62 lines
767 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <math.h>
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int num_weishu(int num) //判断数字位数
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{
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int n = 0;
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num = abs(num);
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if (num == 0)
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{
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return 1;
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}
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while (num > 0)
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{
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num /= 10;
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n++;
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}
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return n;
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}
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int main()
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{
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int x;
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int a=0;
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int b=0;
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int m=0;
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printf("请输入一个整数：");
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scanf("%d", &x);
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a = num_weishu(x);
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b = (int)(pow(10,a-1)+0.1); //pow函数是次方运算的函数名,+0.1是为了避免浮点数误差
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printf("这个数字的位数是%d。\n", a);
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if(a>9)
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{
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printf("超过最大支持位数！\n");
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return -1;
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}
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else
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{
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if (x<0) // 处理负号
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{
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printf("-");
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}
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while (b>0)
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{
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m = x/b;
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printf("%d", m);
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if (b>9)
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{
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printf(" ");
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}
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x = x%b;
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b = b/10;
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}
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printf("\n");
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}
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return 0;
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} |