Submission #2379356
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) #define loop(i,x,n) for(int i=(x);i<(n);i++) #define all(v) (v).begin(),(v).end() #define int long long using namespace std; const int MOD=1e9+7; const int INF=1e10; using namespace std; signed main(){ int n; cin>>n; vector<int> a(n); rep(i,n)cin>>a[i]; int sum=0; int ans1=0; rep(i,n){ sum+=a[i]; if(i%2==0){ if(sum>0)continue; else{ ans1+=1-sum; sum=1; } }else{ if(sum<0)continue; else{ ans1+=sum+1; sum=-1; } } } //cout<<ans1<<endl; int ans2=0; sum=0; rep(i,n){ sum+=a[i]; if(i%2==1){ if(sum>0)continue; else{ ans2+=1-sum; sum=1; } }else{ if(sum<0)continue; else{ ans2+=sum+1; sum=-1; } } } //cout<<ans2<<endl; cout<<min(ans1,ans2)<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Sequence |
User | fuu32 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 978 Byte |
Status | AC |
Exec Time | 44 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00-00.txt, 00-01.txt, 00-02.txt |
All | 00-00.txt, 00-01.txt, 00-02.txt, 01-00.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00-00.txt | AC | 1 ms | 256 KB |
00-01.txt | AC | 1 ms | 256 KB |
00-02.txt | AC | 1 ms | 256 KB |
01-00.txt | AC | 43 ms | 1024 KB |
01-01.txt | AC | 43 ms | 1024 KB |
01-02.txt | AC | 42 ms | 1024 KB |
01-03.txt | AC | 40 ms | 1024 KB |
01-04.txt | AC | 39 ms | 896 KB |
01-05.txt | AC | 35 ms | 896 KB |
01-06.txt | AC | 42 ms | 1024 KB |
01-07.txt | AC | 38 ms | 896 KB |
01-08.txt | AC | 44 ms | 1024 KB |
01-09.txt | AC | 39 ms | 896 KB |
01-10.txt | AC | 32 ms | 768 KB |
01-11.txt | AC | 42 ms | 1024 KB |
01-12.txt | AC | 44 ms | 1024 KB |
01-13.txt | AC | 39 ms | 896 KB |
01-14.txt | AC | 44 ms | 1024 KB |