Submission #3791552
Source Code Expand
#include<bits/stdc++.h> using namespace std; using ll = long long; #define int ll using VI = vector<int>; using VVI =vector<VI>; using PII = pair<int,int>; #define FOR(i,a,n) for(ll i = (ll)a; i<(ll)n;++i) #define REP(i,n) FOR(i,0,n) #define ALL(x) x.begin(),x.end() #define PB push_back signed main(void){ cin.tie(); ios::sync_with_stdio(false); int n; cin >> n; VI a(n); REP(i,n) cin >> a[i]; VI b(n); b[0] = a[0]; FOR(i,1,n) b[i]=a[i]+b[i-1]; int ret=0; map<int,int> mp; for(int i = n-1; i>=0;i--){ ret += mp[b[i]]; mp[b[i]]++; } cout << ret + mp[0] << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - Zero-Sum Ranges |
User | Sophie1234 |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 701 Byte |
Status | AC |
Exec Time | 83 ms |
Memory | 15872 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
|
|
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 | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 1 ms | 256 KB |
subtask_1_02.txt | AC | 1 ms | 256 KB |
subtask_1_03.txt | AC | 34 ms | 5248 KB |
subtask_1_04.txt | AC | 8 ms | 896 KB |
subtask_1_05.txt | AC | 19 ms | 1792 KB |
subtask_1_06.txt | AC | 82 ms | 15872 KB |
subtask_1_07.txt | AC | 34 ms | 3712 KB |
subtask_1_08.txt | AC | 24 ms | 3456 KB |
subtask_1_09.txt | AC | 16 ms | 3456 KB |
subtask_1_10.txt | AC | 82 ms | 11264 KB |
subtask_1_11.txt | AC | 41 ms | 3584 KB |
subtask_1_12.txt | AC | 41 ms | 3456 KB |
subtask_1_13.txt | AC | 83 ms | 11264 KB |
subtask_1_14.txt | AC | 41 ms | 3584 KB |
subtask_1_15.txt | AC | 41 ms | 3584 KB |