Submission #2538638
Source Code Expand
import java.util.*; public class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int arr[] = new int[n+1]; arr[0] = 0; arr[1] = sc.nextInt(); Map<Integer, Integer> map = new HashMap<>(); map.put(arr[0], 1); for(int i=2;i<1+n;i++){ arr[i] = arr[i-1] + sc.nextInt(); } for(int i=1;i<n+1;i++){ if(map.containsKey(arr[i])){ map.put(arr[i], map.get(arr[i])+1); } else map.put(arr[i], 1); } long ans =0L; for(Map.Entry<Integer, Integer> mape: map.entrySet()){ if(mape.getValue()>0){ ans+= (long)(mape.getValue())* (mape.getValue()-1) / 2; } } System.out.println(ans); return; } }
Submission Info
Submission Time | |
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Task | A - Zero-Sum Ranges |
User | beardaspirant |
Language | Java8 (OpenJDK 1.8.0) |
Score | 0 |
Code Size | 880 Byte |
Status | WA |
Exec Time | 677 ms |
Memory | 91696 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 200 | ||||||
Status |
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|
Set Name | Test Cases |
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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 | 93 ms | 18644 KB |
sample_02.txt | AC | 92 ms | 18772 KB |
sample_03.txt | AC | 94 ms | 18900 KB |
subtask_1_01.txt | AC | 91 ms | 18632 KB |
subtask_1_02.txt | AC | 92 ms | 18772 KB |
subtask_1_03.txt | AC | 487 ms | 49972 KB |
subtask_1_04.txt | AC | 285 ms | 42120 KB |
subtask_1_05.txt | AC | 394 ms | 47976 KB |
subtask_1_06.txt | WA | 677 ms | 73220 KB |
subtask_1_07.txt | AC | 532 ms | 91696 KB |
subtask_1_08.txt | AC | 530 ms | 80164 KB |
subtask_1_09.txt | AC | 491 ms | 62960 KB |
subtask_1_10.txt | AC | 656 ms | 64308 KB |
subtask_1_11.txt | AC | 547 ms | 60396 KB |
subtask_1_12.txt | AC | 570 ms | 65344 KB |
subtask_1_13.txt | AC | 672 ms | 65472 KB |
subtask_1_14.txt | AC | 581 ms | 66672 KB |
subtask_1_15.txt | AC | 588 ms | 61148 KB |