1、while語句
#include <stdio.h>
int main(void) { int i; puts("please input an integer."); do { printf("i = "); scanf("%d", &i); if (i <= 0) puts("the range of i is : > 0 "); } while (i <= 0); while (i > 0) { if (i % 2) printf("%d ", i); i--; } return 0; }
2、while語句
#include <stdio.h>
int main(void) { int i = 1, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is : > 0"); } while (j <= 0); while (i <= j) { printf("%d ", i); i += 2; } return 0; }
3、while語句
#include <stdio.h>
int main(void) { int i = 1, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is : > 0 "); } while (j <= 0); while (i <= j) { if (i % 2) printf("%d ", i); i++; } return 0; }
4、for語句
#include <stdio.h>
int main(void) { int i; puts("please input an integer."); do { printf("i = "); scanf("%d", &i); if (i <= 0) puts("the range of i is: > 0 "); } while (i <= 0); while (i > 0) { if (i % 2) printf("%d ", i); i--; } putchar('\n'); return 0; }
5、for語句
#include <stdio.h>
int main(void) { int i, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is > 0 "); } while (j <= 0); for (i = 1; i <= j; i+=2) { printf("%d ", i); } putchar('\n'); return 0; }
6、for語句
#include <stdio.h>
int main(void) { int i, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is: > 0"); } while (j <= 0); for (i = 1; i <= j; i++) { if (i % 2) printf("%d ", i); } putchar('\n'); return 0; }
7、do語句
#include <stdio.h>
int main(void) { int i; puts("please input an integer."); do { printf("i = "); scanf("%d", &i); if (i <= 0) puts("the range of i is : > 0"); } while (i <= 0); do { if (i % 2) printf("%d ", i); i--; } while (i > 0); putchar('\n'); return 0; }
8、do語句
#include <stdio.h>
int main(void) { int i = 1, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is > 0"); } while (j <= 0); do { printf("%d ", i); i += 2; } while (i <= j); putchar('\n'); return 0; }
9、do語句
#include <stdio.h>
int main(void) { int i = 1, j; puts("please input an integer."); do { printf("j = "); scanf("%d", &j); if (j <= 0) puts("the range of j is : > 0 "); } while (j <= 0); do { if (i % 2) printf("%d ", i); i++; } while (i <= j); putchar('\n'); return 0; }