Clang2018 class2
- 1. C 2
- 2. : Boltz : https://twitter.com/far_dawn Twitter ID : @far_dawn if ,
- 3. 1. 2. if 3. for 4. while, do - while 5. 3
- 4. • C • 7 11
- 5. Phase2-1 if
- 6. 1 1 #include<stdio.h> int main(void){ int age; printf(" :"); scanf("%d",&age); if(age<=3) { printf(" : ¥n"); }else if(age<=12) { printf(" :250 ¥n"); }else{ printf(" :400 ¥n"); } return 0; }
- 7. scanf #include<stdio.h> int main(void){ int age; printf(" :"); scanf("%d",&age); if(age<=3) { printf(" : ¥n"); }else if(age<=12) { printf(" :250 ¥n"); }else{ printf(" :400 ¥n"); } return 0; }
- 8. • scanf <stdio.h> #include • 10 • %d • & •
- 9. if #include<stdio.h> int main(void){ int age; printf(" :"); scanf("%d",&age); if(age<=3) { printf(" : ¥n"); }else if(age<=12) { printf(" :250 ¥n"); }else{ printf(" :400 ¥n"); } return 0; }
- 10. if • if( ){ … } • true {} false {} • false: 0 or • true: 0 or •
- 11. • A == B A B • A != B A B • A < B A B • A <= B A B • A > B A B • A >= B A B
- 12. • A && B A and B ∩ • A || B A or B ∪ • !(A) A :false :true
- 13. … #include<stdio.h> int main(void){ int age; printf(" :"); scanf("%d",&age); if(age<=3) { printf(" : ¥n"); }else if(age<=12) { printf(" :250 ¥n"); }else{ printf(" :400 ¥n"); } return 0; }
- 14. #include<stdio.h> int main(void){ int age; printf(" :"); scanf("%d",&age); if(age<=3) { printf(" : ¥n"); }else if(age<=12) { printf(" :250 ¥n"); }else{ printf(" :400 ¥n"); } return 0; }
- 16. #include<stdio.h> int main(void){ int no; scanf("%d",&no); switch(no) { case1: printf(" ¥n"); break; case2: printf(" ¥n"); break; case3: printf(" ¥n"); break; default: printf(" ¥n"); break; } return 0; }
- 17. #include<stdio.h> int main(void){ int no; scanf("%d",&no); switch(no) { case1: printf(" ¥n"); break; case2: printf(" ¥n"); break; case3: printf(" ¥n"); break; default: printf(" ¥n"); break; } return 0; }
- 18. #include<stdio.h> int main(void){ int no; scanf("%d",&no); switch(no) { case1: printf(" ¥n"); break; case2: printf(" ¥n"); break; case3: printf(" ¥n"); break; default: printf(" ¥n"); break; } return 0; }
- 19. {} #include<stdio.h> int main(void){ int no; scanf("%d",&no); switch(no) { case1: printf(" ¥n"); break; case2: printf(" ¥n"); break; case3: printf(" ¥n"); break; default: printf(" ¥n"); break; } return 0; }
- 20. #include<stdio.h> int main(void){ int no; scanf("%d",&no); switch(no) { case1: printf(" ¥n"); break; case2: printf(" ¥n"); break; case3: printf(" ¥n"); break; default: printf(" ¥n"); break; } return 0; }
- 21. Phase3 for
- 22. #include<stdio.h> int main(void){ int i; for(i =1;i<=10;i++) { printf(" ¥n"); } return 0; }
- 23. for #include<stdio.h> int main(void){ int i; for(i =1;i<=10;i++) { printf(" ¥n"); } return 0; }
- 24. #include<stdio.h> int main(void){ int i; for(i =1;i<=10;i++) { printf(" ¥n"); } return 0; }
- 25. for for ( ; ; ) { ; } • int i = 0; •
- 27. #include<stdio.h> int main(void){ int i; while(i < 5){ printf(" ¥n"); i++; } return 0; }
- 28. 1 #include<stdio.h> int main(void){ int i; do{ printf(" ¥n"); i++; } while(i < 5) return 0; }