北工大c語言題庫完美版

1、1求兩個(gè)數(shù)的和與差輸入整數(shù)a和b，計(jì)算并輸出a、b的和與差.#includeintmain()intabsumdiffscanf(“%d%d“sum=abdiff=abprintf(“Thesumis%dn“sum)printf(“Thedifferenceis%dn“diff)2求平方根輸入1個(gè)實(shí)數(shù)X，計(jì)算井輸出其平方根(保留1位小數(shù)).(例:輸入17輸出Thesquarerootof17.0is4.1)#include#includ

2、eintmain()doublexrootscanf(“%lf“root=sqrt(x)printf(“Thesquarerootof%fis%0.1fn“xroot)3華氏溫度轉(zhuǎn)換為攝氏溫度輸入華氏溫度f，計(jì)算并輸出相應(yīng)的攝氏溫度c(保留2位小數(shù)).c=59(f32).(例z括號(hào)內(nèi)是說明輸入17.2(華氏溫度)輸出Thctempratureis8.22)#includeintmain()doublefcscanf(“%lf“c=5.0

3、9.0(f32.0)printf(“Thetempratureis%0.2fn“c)4計(jì)算旅途時(shí)間輸入2個(gè)整數(shù)time1和time2.表示火車的出發(fā)時(shí)間和到達(dá)時(shí)間，計(jì)算并輸出旅途時(shí)間.有效的時(shí)間范圍是0000到2359，不需要考慮出發(fā)時(shí)間晚于到達(dá)時(shí)間的情況.#includeintmain()inttime1time2hoursminsscanf(“%d%d“time1=time110060time1%100time2=time21006

4、0time2%100hours=(time2time1)60mins=(time2time1)%60printf(“Thetrainjourneytimeis%dhrs%dmins.n“hoursmins)5大寫字母轉(zhuǎn)換成小寫字母輸入一個(gè)大寫英文字母，輸出相應(yīng)的小寫字母.例:輸入G輸出g#includeintmain()chscanf(“%c“ch=chAaprintf(“%cn“ch)以下4種水果的單價(jià)分別是3.00元公斤2.50元公

5、斤4.10元公斤10.20元公斤.[1]apples[2]pears[3]anges[4]grapes輸入水果的編號(hào)，輸出該水果的單價(jià)(保留2位小數(shù)).如果輸入不正確的編號(hào)，顯示單價(jià)為0.#includeintmain()intchoicefloatpriceprintf(“[1]applesn“)printf(“[2]pearsn“)printf(“[3]angesn“)printf(“[4]grapesn“)scanf(“%d“pr

6、ice=(choice==1)3(choice==2)2.50(choice==3)4.1(choice==4)10.2printf(“price=%0.2fn“price)11讀入1個(gè)正整數(shù)n(nintmain()intinfloatsumscanf(“%d“sum=0f(i=1iintmain()intindoublefactscanf(“%d“fact=1f(i=1iintmain()intindoublexmypowscanf(