Submission #3589907

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Source Code Expand

N,K=map(int,input().split())
List_First=[[int(i) for i in input().split()] for i in range(N)]
List_a=[i[0] for i in List_First]
List_b=[i[1] for i in List_First]
List_n=[i for i in range(N)]
new_List_n=sorted(List_n,key=lambda x:List_a[x])
new_List_a=[List_a[i] for i in new_List_n]
new_List_b=[List_b[i] for i in new_List_n]
S=0
m=-1
while S<K:
  m+=1
  S+=new_List_b[m]
print(new_List_a[m])
  
  

Submission Info

Judge Result