LeetCode之Sum of Even Numbers After Queries(Kotlin)
问题:WehaveanarrayAofintegers,andanarrayqueriesofqueries.Forthei-thqueryval=queries[i][0],index=queries[i][1],weaddvaltoA[index].Then,theanswertothei-thqueryisthesumoftheevenvaluesofA.(Here,thegiveninde