Submission #2433904
Source Code Expand
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() #pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, A[201010]; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; rep(i, 0, N) cin >> A[i]; ll ans = 0; map<ll, int> cnt; cnt[0] = 1; ll sm = 0; rep(i, 0, N) { sm += A[i]; ans += cnt[sm]; cnt[sm]++; } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | A - Zero-Sum Ranges |
User | hamayanhamayan |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 1635 Byte |
Status | AC |
Exec Time | 80 ms |
Memory | 13568 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
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|
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 | 33 ms | 4096 KB |
subtask_1_04.txt | AC | 8 ms | 512 KB |
subtask_1_05.txt | AC | 19 ms | 768 KB |
subtask_1_06.txt | AC | 78 ms | 13568 KB |
subtask_1_07.txt | AC | 32 ms | 1280 KB |
subtask_1_08.txt | AC | 22 ms | 1024 KB |
subtask_1_09.txt | AC | 14 ms | 1024 KB |
subtask_1_10.txt | AC | 79 ms | 8832 KB |
subtask_1_11.txt | AC | 41 ms | 1152 KB |
subtask_1_12.txt | AC | 42 ms | 1152 KB |
subtask_1_13.txt | AC | 80 ms | 8960 KB |
subtask_1_14.txt | AC | 41 ms | 1152 KB |
subtask_1_15.txt | AC | 42 ms | 1152 KB |