Submission #2431184


Source Code Expand

n = int(input())
a = list(map(int, input().split()))
ans = 0
l = {0:1}
s = 0

for i in a:
    s += i
    if s in l:
        ans += l[s]
        l[s] += 1
    else:
        l[s] = 1

print(ans)

Submission Info

Submission Time
Task A - Zero-Sum Ranges
User heysan
Language Python (3.4.3)
Score 200
Code Size 206 Byte
Status AC
Exec Time 168 ms
Memory 38676 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 21
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt
Case Name Status Exec Time Memory
sample_01.txt AC 17 ms 2940 KB
sample_02.txt AC 17 ms 3060 KB
sample_03.txt AC 17 ms 3060 KB
subtask_1_01.txt AC 17 ms 2940 KB
subtask_1_02.txt AC 17 ms 2940 KB
subtask_1_03.txt AC 79 ms 14408 KB
subtask_1_04.txt AC 41 ms 6440 KB
subtask_1_05.txt AC 82 ms 11512 KB
subtask_1_06.txt AC 154 ms 38676 KB
subtask_1_07.txt AC 144 ms 14156 KB
subtask_1_08.txt AC 157 ms 9952 KB
subtask_1_09.txt AC 124 ms 7148 KB
subtask_1_10.txt AC 165 ms 27248 KB
subtask_1_11.txt AC 163 ms 22888 KB
subtask_1_12.txt AC 168 ms 22896 KB
subtask_1_13.txt AC 167 ms 26600 KB
subtask_1_14.txt AC 162 ms 22780 KB
subtask_1_15.txt AC 165 ms 24076 KB