亂貼小站

回提示頁

204-4

/* 學號：U9824017 姓名：戴均民 日期：981024 根據給定的顏色代碼，輸出壓縮汽缸裡的內容物，若非指定顏色，輸出未知的內容物。 */ #include<stdio.h> #include<stdlib.h> int main() { char ca; while(scanf("%c",&ca)!=EOF) { if('a'<=ca && ca<='z')ca-=32; if(ca==10)continue; switch(ca) { case 'O': printf(" Ammonia.\n"); break; case 'B': printf(" Carbon monoxide.\n"); break; case 'Y': printf(" Hydrogen.\n"); break; case 'G': printf(" Oxygen.\n"); break; default: printf("Contents unknown.\n"); break; } } system("pause"); }

204-5

/* 學號：U9824017 姓名：戴均民 日期：981024 Could you handle this problem with a "switch" statement? -> No, I couldn't. If so, use a switch statment; if not, explain why. -> Switch quantity cannot be a double or a float. */ #include<stdio.h> #include<stdlib.h> int main() { double da; while(scanf("%lf",&da)!=EOF) { if(da<5.0)printf("Little ot no damage."); else if(da<5.5)printf("Some damage."); else if(da<6.5)printf("Serious damage: walls may crack or fall."); else if(da<7.5)printf("Disaster: houses and buildings may collapse."); else printf("Catastrophe: most buildings destroyed."); printf("\n"); } system("pause"); }