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- #include <stdio.h>
- #include <stdlib.h>
- int main(void)
- {
- //1到100 7的倍數
- int i;
- for (i=1; i<=100;i++)
- {
- if (i%7==0) //i mod 7 為0
- {
- printf("%d \n", i);
- }
- }
- printf("============================\n");
- //1到100 9的倍數
- int j;
- for (j=1; j<=100;j++)
- {
- if (j%9==0)
- {
- printf("%d \n", j);
- }
- }
- printf("============================\n");
- //1到100 9和7的倍數
- int k;
- for (k=1; k<=100;k++)
- {
- if (k%9==0 && k%7==0) //9和7的倍數
- {
- printf("%d \n", k);
- }
- }
- printf("============================\n");
- //1到100 9或7 的倍數
- int l;
- for (l=1; l<=100;l++)
- {
- if (l%9==0 || l%7==0) //9或7的倍數
- {
- printf("%d \n", l);
- }
- }
- printf("============================\n");
- //1到100 非9或7 的倍數
- int m;
- for (m=1; m<=100;m++)
- {
- if (m%9!=0 && m%7!=0) //非9或7的倍數
- {
- printf("%d \n", m);
- }
- }
- system("pause");
- return 0;
- }
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