心跳

心跳

#include <unistd.h>
int main(){
    int  i = 0;
    while (1) {
        if (i % 2 == 0) {
            
            printf(" *** ***\n");
            printf(" *** *** \n");
            printf("*********\n");
            printf(" *******\n");
            printf("  ****\n");
            printf("   **\n");
        }else
        {
            printf("\n");
            printf("  ** ** \n");
            printf(" *******\n");
            printf("  *****\n");
            printf("   **\n");
        }
        sleep(1);
        i++;
    }
}

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