Kāda ir kumulatīvā summa?
Kumulatīvā summa nozīmē “cik līdz šim”. Kumulatīvās summas definīcija ir noteiktas secības summa, kas palielinās vai kļūst lielāka ar vairākiem papildinājumiem. Īsts kumulatīvās summas piemērs ir pieaugošais ūdens daudzums šūpoles baseinā.
kas ir jquery
Piemērs:
Input: 10, 15, 20, 25, 30 Output: 10, 25, 45, 70, 100 Input: 1, 2, 3, 4, 5 6, 7 ,8, 9, 10 Output: 1, 3, 6, 10, 15, 21, 28, 36, 45, 55
Programma: 1
# Cumulative sum def Cumulative_sum(lists): cum_list = [] length = len(lists) cum_list = [sum(lists[0:x:1]) for x in range(0, length+1)] return cum_list[1:] lists = [10, 15, 20, 25, 30] print (Cumulative_sum(lists))
Izvade:
10, 25, 45, 70, 100
Programma: 2
list=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10] cum_list=[] y = 0 for x in range(0,len(list)): y+=list[x] cum_list.append(y) print(cum_list)
Izvade:
1, 3, 6, 10, 15, 21, 28, 36, 45, 55
3. programma: lietotāja definēta programma
i = [] n = int(input('enter the no of elements in list:')) for x in range(0,n): element=int(input('enter the element' + str(x+1) + ':')) i.append(element) j=[sum(i[0:x+1]) for x in range(0,len(i))] print('Original list is: ',i) print('Cumulative sum list is: ',j)
Izvade:
enter the no of elements in list: 10 enter the element1: 2 enter the element2: 3 enter the element3: 8 enter the element4: 6 enter the element5: 45 enter the element6: 32 enter the element7: 56 enter the element8: 32 enter the element9: 14 enter the element10: 25 Original list is: [2, 3, 8, 6, 45, 32, 56, 32, 14, 25] Cumulative sum list is: [2, 5, 13, 19, 64, 96, 152, 184, 198, 223]