Write the code for a program that takes in an integer from the user and then calculates the sum of all the numbers from 1 to the integer entered by the user. For example,
suppose the user entered the number 4; now, the output should be 10.

Choose the correct citation for the case which established the "minimum contacts" test for a court's jurisdiction in a case. select one: a. brown v. board of education of topeka, 347 u.s. 483 (1954). b. international shoe co. v. washington, 326 u.s. 310 (1945) c. haynes v. gore, 531 u.s. 98 (2000). d. international shoe co. v. washington, 14 u.s. code 336.