Submission #2538763
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(); if(n==1 && arr[1] ==0){ System.out.println(0); return; } 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 | 968 Byte |
Status | WA |
Exec Time | 727 ms |
Memory | 72852 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 | 99 ms | 19668 KB |
sample_02.txt | AC | 99 ms | 18896 KB |
sample_03.txt | AC | 99 ms | 19668 KB |
subtask_1_01.txt | AC | 97 ms | 19796 KB |
subtask_1_02.txt | WA | 95 ms | 19796 KB |
subtask_1_03.txt | AC | 523 ms | 48108 KB |
subtask_1_04.txt | AC | 302 ms | 41640 KB |
subtask_1_05.txt | AC | 416 ms | 48504 KB |
subtask_1_06.txt | WA | 712 ms | 72852 KB |
subtask_1_07.txt | AC | 574 ms | 63936 KB |
subtask_1_08.txt | AC | 555 ms | 63764 KB |
subtask_1_09.txt | AC | 520 ms | 66288 KB |
subtask_1_10.txt | AC | 727 ms | 69884 KB |
subtask_1_11.txt | AC | 589 ms | 62744 KB |
subtask_1_12.txt | AC | 581 ms | 62596 KB |
subtask_1_13.txt | AC | 651 ms | 66200 KB |
subtask_1_14.txt | AC | 606 ms | 64232 KB |
subtask_1_15.txt | AC | 604 ms | 62492 KB |