Submission #1641517
Source Code Expand
#include<cstring> #include<cmath> #include<cstdio> #include<algorithm> using namespace std; int a[100010],n; inline int read(void) { int x=0,f=1; char ch=getchar(); while(ch>'9'||ch<'0'){ if(ch=='-') f=-1; ch=getchar(); } while(ch>='0'&&ch<='9'){ x=x*10+ch-'0'; ch=getchar();} return x*f; } int gcd(int a,int b) { return (b==0)?a:gcd(b,a%b); } bool pd() { long long sum=0; int ex=0,tot=0; for(int i=1;i<=n;++i) { sum+=a[i]-1; if(a[i]&1) tot++; if(a[i]==1) ex=1; } if(ex) return sum%2; if((n-tot)%2) return 1; if(tot==1) { int g=0; for(int i=1;i<=n;++i) if(a[i]&1) a[i]--; for(int i=1;i<=n;++i) g=gcd(g,a[i]); for(int i=1;i<=n;++i) a[i]/=g; return pd()^1; } return 0; } int main() { n=read(); for(int i=1;i<=n;++i) a[i]=read(); if(pd()) puts("First"); else puts("Second"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Decrementing |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 889 Byte |
Status | AC |
Exec Time | 40 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 8 ms | 512 KB |
in10.txt | AC | 8 ms | 512 KB |
in11.txt | AC | 18 ms | 512 KB |
in12.txt | AC | 8 ms | 512 KB |
in13.txt | AC | 15 ms | 512 KB |
in14.txt | AC | 34 ms | 512 KB |
in15.txt | AC | 14 ms | 512 KB |
in16.txt | AC | 33 ms | 512 KB |
in17.txt | AC | 12 ms | 512 KB |
in18.txt | AC | 40 ms | 512 KB |
in19.txt | AC | 17 ms | 512 KB |
in2.txt | AC | 8 ms | 512 KB |
in20.txt | AC | 35 ms | 512 KB |
in21.txt | AC | 19 ms | 512 KB |
in22.txt | AC | 17 ms | 512 KB |
in23.txt | AC | 17 ms | 512 KB |
in24.txt | AC | 20 ms | 512 KB |
in25.txt | AC | 17 ms | 640 KB |
in26.txt | AC | 18 ms | 512 KB |
in27.txt | AC | 18 ms | 512 KB |
in28.txt | AC | 20 ms | 512 KB |
in29.txt | AC | 17 ms | 512 KB |
in3.txt | AC | 8 ms | 512 KB |
in30.txt | AC | 16 ms | 512 KB |
in31.txt | AC | 8 ms | 512 KB |
in32.txt | AC | 8 ms | 512 KB |
in33.txt | AC | 19 ms | 512 KB |
in34.txt | AC | 22 ms | 512 KB |
in35.txt | AC | 19 ms | 512 KB |
in36.txt | AC | 0 ms | 128 KB |
in37.txt | AC | 0 ms | 128 KB |
in4.txt | AC | 8 ms | 512 KB |
in5.txt | AC | 8 ms | 512 KB |
in6.txt | AC | 8 ms | 512 KB |
in7.txt | AC | 8 ms | 512 KB |
in8.txt | AC | 8 ms | 512 KB |
in9.txt | AC | 8 ms | 512 KB |
sample1.txt | AC | 0 ms | 128 KB |
sample2.txt | AC | 1 ms | 128 KB |
sample3.txt | AC | 0 ms | 128 KB |