Submission #8531777

Source Code Expand

import sys
input = sys.stdin.readline
n = int(input())
a = [int(input()) for i in range(n)]
cur = -1
c = 0
for i in a:
  pre,cur = cur,i
  if cur == 0:
    continue
  elif cur == pre + 1:
    c += 1
  elif cur <= pre:
    c += cur
  else:
    print(-1)
    exit()
print(c)

Submission Info

Submission Time
Task C - Sequence Growing Easy
User gcs
Language Python (3.4.3)
Score 700
Code Size 289 Byte
Status AC
Exec Time 162 ms
Memory 11048 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 700 / 700
Status
AC × 3
AC × 49
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 85 ms 11036 KB
02.txt AC 82 ms 11040 KB
03.txt AC 100 ms 11032 KB
04.txt AC 102 ms 11028 KB
05.txt AC 100 ms 10916 KB
06.txt AC 93 ms 10916 KB
07.txt AC 140 ms 11024 KB
08.txt AC 142 ms 11024 KB
09.txt AC 138 ms 11044 KB
10.txt AC 149 ms 10952 KB
11.txt AC 94 ms 10896 KB
12.txt AC 81 ms 10896 KB
13.txt AC 83 ms 10892 KB
14.txt AC 102 ms 10916 KB
15.txt AC 157 ms 11028 KB
16.txt AC 139 ms 11044 KB
17.txt AC 147 ms 11044 KB
18.txt AC 138 ms 11024 KB
19.txt AC 151 ms 11024 KB
20.txt AC 135 ms 11048 KB
21.txt AC 124 ms 8216 KB
22.txt AC 114 ms 7064 KB
23.txt AC 115 ms 8084 KB
24.txt AC 106 ms 6056 KB
25.txt AC 145 ms 11048 KB
26.txt AC 146 ms 11024 KB
27.txt AC 139 ms 11024 KB
28.txt AC 129 ms 11044 KB
29.txt AC 138 ms 11024 KB
30.txt AC 130 ms 11024 KB
31.txt AC 98 ms 11044 KB
32.txt AC 84 ms 11044 KB
33.txt AC 104 ms 4648 KB
34.txt AC 133 ms 7848 KB
35.txt AC 162 ms 11024 KB
36.txt AC 136 ms 11024 KB
37.txt AC 159 ms 11024 KB
38.txt AC 154 ms 11048 KB
39.txt AC 135 ms 11048 KB
40.txt AC 136 ms 11048 KB
41.txt AC 17 ms 2940 KB
42.txt AC 17 ms 3060 KB
43.txt AC 17 ms 3060 KB
44.txt AC 17 ms 3060 KB
45.txt AC 17 ms 2940 KB
46.txt AC 17 ms 2940 KB
s1.txt AC 17 ms 3060 KB
s2.txt AC 17 ms 3060 KB
s3.txt AC 17 ms 3060 KB