Submission

Status:

[P][P][P][P][P][PPPPPPPP]

Subtask/Task Score:

{17/17}{17/17}{17/17}{17/17}{17/17}{17/17}

Score: 100

User: agnes_chan

Language: python

Time: 0.382 second

Submitted On: 2026-05-08 12:39:13

cnt , v = 0 , 0
for _ , k in sorted([list(map(int,input().split())) for i in range(int(input()))]):
    if k>v: v = k
    else: cnt += 1
print(cnt)