Suppose you have a table "t" with two columns A and B, and three rows. How do you add a column C with the value 7 in all 3 rows? You need to select ALL correct answers. (Hint: generate an example table to see what works here.) Ot'C)-(7 O tCl-17.7.7)
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- gram works correctly. 33. Using the circular doubly linked list below, give the expression corresponding to each of the following descriptions. TH HHF Node Node Node Node Node 2 3 4 1 A For example, the expression for the info value of node 1, referenced from reference A would be A.getInfo(). a. The info value of node 1, referenced from reference Cs b. The info value of node 2, referenced from reference B C. The link value of node 2, referenced from reference A d. The link value of node 4, referenced from reference C e. Node 1, referenced from reference B f. The back value of node 4, referenced from reference C 79v16 g. The back value of node 1, referenced from reference ASuppose you have a sitting arrangement of the students of the final exam in a list. The list contains the last two digits of their roll number. sitting_list=[10,30,20,70,11,15,22,16,58,100,12,56,70,80] Now you want to organize the sitting arrangement. You decided to sort all the students in the even indices into ascending order and all the students in the odd indices into descending order. So write a python program that organizes the list for you the way you decided. Sample Output[10, 100, 11, 80, 12, 70, 20, 56, 22, 30, 58, 16, 70, 15]You are writing an application. You need a data structure that will allow you to insert new elements. In addition, you must sometimes remove the maximum element and other times simply report the value of the maximum element. The client wants the program to be as efficient as possible. Which of the following data structures should you use in your design? Question 24 options: Unsorted linked list Hash table Array Sorted linked list Heap
- def upgrade_stations(threshold: int, num_bikes: int, stations: List["Station"]) -> int: """Modify each station in stations that has a capacity that is less than threshold by adding num_bikes to the capacity and bikes available counts. Modify each station at most once. Return the total number of bikes that were added to the bike share network. Precondition: num_bikes >= 0FIX THIS CODE Using python Application CODE: import csv playersList = [] with open('Players.csv') as f: rows = csv.DictReader(f) for r in rows: playersList.append(r) teamsList = [] with open('Teams.csv') as f: rows = csv.DictReader(f) for r in rows: teamsList.append(r) plays=len(playersList) for i in range(plays): if playersList[i]['team']=='Argentina' and int(playerlist[i]['minutes played'])<200 and int(playersList[i] ['shots'])>20: print(playersList[i]['last name']) c0=0 c1=0 c2=0 for i in range(len(teamsList)): if int(teamsList[i]['redCards'])==0: c0=c0+1 if int(teamsList[i]['redCards'])==1: c1=c1+1 if int(teamsList[i]['redCards'])==2: c2=c2+1 print("Number of teams with zero redcards:",c0) print("Number of teams with zero redcards:",c1) print("Number of teams with zero redcards:",c2) ratio=0 for i in range(len(teamsList)): if int(teamsList[i]['games']>3) and if int(teamsList[i]['goalsFor'])/int(teamsList[i]['goalsAgainst'])<ratio:…def upgrade_stations(threshold: int, num_bikes: int, stations: List["Station"]) -> int: """Modify each station in stations that has a capacity that is less than threshold by adding num_bikes to the capacity and bikes available counts. Modify each station at most once. Return the total number of bikes that were added to the bike share network. Precondition: num_bikes >= 0 >>> handout_copy = [HANDOUT_STATIONS[0][:], HANDOUT_STATIONS[1][:]] >>> upgrade_stations(25, 5, handout_copy) 5 >>> handout_copy[0] == HANDOUT_STATIONS[0] True >>> handout_copy[1] == [7001, 'Lower Jarvis St SMART / The Esplanade', \ 43.647992, -79.370907, 20, 10, 10] True """
- def get_column_sum(index: int, stations: List["Station"]) -> int: """Return the sum of the values at the given index from each inner list of stations. Precondition: the items in stations at the position that index refers to are ints. >>> get_column_sum(BIKES_AVAILABLE, SAMPLE_STATIONS) 23 >>> get_column_sum(DOCKS_AVAILABLE, SAMPLE_STATIONS) 34 """For any element in keysList with a value greater than 100, print the corresponding value in itemsList, followed by a space. Ex: If keysList = {42, 105, 101, 100} and itemsList = {10, 20, 30, 40}, print:20 30 Since keysList.at(1) and keysList.at(2) have values greater than 100, the value of itemsList.at(1) and itemsList.at(2) are printed. #include <iostream>#include <vector>using namespace std; int main() { const int SIZE_LIST = 4; vector<int> keysList(SIZE_LIST); vector<int> itemsList(SIZE_LIST); unsigned int i; for (i = 0; i < keysList.size(); ++i) { cin >> keysList.at(i); } for (i = 0; i < itemsList.size(); ++i) { cin >> itemsList.at(i); } /* Your solution goes here */ cout << endl; return 0;}For any element in keysList with a value greater than 100, print the corresponding value in itemsList, followed by a space. Ex: If keysList = {42, 105, 101, 100} and itemsList = {10, 20, 30, 40}, print: 20 30 Since keysList.at(1) and keysList.at(2) have values greater than 100, the value of itemsList.at(1) and itemsList.at(2) are printed. #include <iostream>#include <vector>using namespace std; int main() {const int SIZE_LIST = 4;vector<int> keysList(SIZE_LIST);vector<int> itemsList(SIZE_LIST);unsigned int i; for (i = 0; i < keysList.size(); ++i) {cin >> keysList.at(i);} for (i = 0; i < itemsList.size(); ++i) {cin >> itemsList.at(i);} /* Your solution goes here */ cout << endl; return 0;} Please help me with this problem using c++.
- # A set of constants, each representing a list index for station information. ID = 0 NAME = 1 LATITUDE %3D LONGITUDE 3 САРАСITY 4 BIKES_AVAILABLE %3D DOCKS_AVAILABLE %3D NO_KIOSK "SMART' # For use in the get_lat_lon_distance helper function EARTH_RADIUS = 6371 # SAMPLE DATA TO USE IN DOCSTRING EXAMPLES SAMPLE_STATIONS [7090, 'Danforth Ave / Lamb Ave', 43.681991, -79.329455, 15, 4, 10], [7486, 'Gerrard St E / Ted Reeve Dr', 43.684261, -79.299332, 24, 5, 19], [7571, 'Highfield Rd / Gerrard St E - SMART', 43.671685, -79.325176, 19, 14, 5]] HANDOUT_STATIONS [7000, 'Ft. York / Capreol Crt.', 43.639832, -79.395954, 31, 20, 11], [7001, 'Lower Jarvis St SMART / The Esplanade', 43.647992, -79.370907, 15, 5, 10]]@return index of the point that is closest to the origin, which is (0, 0) * In case of a tie, return the lowest index */ public int closestToOriginIndex() { return 0; }For this project you will be implementing a new data structure called LinkedGrid. This is a linked type data structure version of a 2D array. The LinkedGrid can support any combination of dimensions (n x n, n x m, or m x n, where n > m) This data structure has a singly linked system which allows you to traverse the grid in multiple directions in addition to allowing you to retrieve specific rows and columns. The following diagram gives a rough visual of this data structure. NOTE: Your LinkedGrid MUST work with any number of nodes, the picture only shows twelve as an idea. You may not hardcode only twelve nodes... There should be no public functions other than the ones given to you You may implement any other private functions you feel are necessary to help you implement the given constructors / public functions Complete ALL methods with "TO DO" in LinkedGrid.java import java.util.ArrayList; public class LinkedGrid<E>{private int numRows;private int numCols; private…