Submission #3768859

Source Code Expand

n, m = map(int,input().split())
f = [False for _ in range(n)]
f[0] = True
for i in range(m):
  x, y = map(int,input().split())
  f[y] = f[y] or f[x]
print(f.count(True))

Submission Info

Submission Time
Task B - Box and Ball
User mikit
Language Python (3.4.3)
Score 0
Code Size 175 Byte
Status RE
Exec Time 297 ms
Memory 3888 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
RE × 3
WA × 4
RE × 23
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt
Case Name Status Exec Time Memory
0_00.txt RE 18 ms 2940 KB
0_01.txt RE 18 ms 2940 KB
0_02.txt RE 18 ms 3060 KB
1_00.txt RE 18 ms 2940 KB
1_01.txt RE 18 ms 3060 KB
1_02.txt RE 18 ms 2940 KB
1_03.txt RE 18 ms 2940 KB
1_04.txt RE 282 ms 3888 KB
1_05.txt RE 297 ms 3864 KB
1_06.txt RE 154 ms 3504 KB
1_07.txt RE 157 ms 3480 KB
1_08.txt RE 128 ms 3444 KB
1_09.txt WA 195 ms 3736 KB
1_10.txt RE 58 ms 3608 KB
1_11.txt RE 23 ms 3188 KB
1_12.txt WA 29 ms 3864 KB
1_13.txt RE 47 ms 3608 KB
1_14.txt RE 19 ms 3188 KB
1_15.txt RE 21 ms 3188 KB
1_16.txt WA 24 ms 3632 KB
1_17.txt RE 85 ms 3864 KB
1_18.txt RE 102 ms 3504 KB
1_19.txt RE 39 ms 3188 KB
1_20.txt RE 36 ms 3188 KB
1_21.txt RE 189 ms 3504 KB
1_22.txt RE 34 ms 3608 KB
1_23.txt WA 86 ms 3608 KB