Submission #1573625
Source Code Expand
#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> using namespace std; #define MAXN 100000 #define rint register int #define gc() getchar() inline int read(rint ans = 0, rint sgn = ' ', rint ch = gc()) { for(; ch < '0' || ch > '9'; sgn = ch, ch = gc()); for(; ch >='0' && ch <='9';(ans*=10)+=ch-'0', ch = gc()); return sgn-'-'?ans:-ans; } int a[MAXN+5], n; inline int GCD(int a, int b){return b ? GCD(b,a%b) : a;} bool Calc() { int even = 0; bool one = false, sum = 0; for(rint i = 1; i <= n; sum ^= (a[i]^1)&1, even += !(a[i]&1), one |= a[i] == 1, i++); if(one) return sum; if(even&1) return 1; if(!(even&1) && even < n-1) return 0; int g = 0; for(rint i = 1; i <= n; a[i] -= a[i]&1, g = GCD(g,a[i]), i++); for(rint i = 1; i <= n; a[i++] /= g); return Calc()^1; } int main(){n = read(); for(rint i = 1; i <= n; a[i++] = read()); puts(Calc()?"First":"Second"); return 0;}
Submission Info
Submission Time | |
---|---|
Task | D - Decrementing |
User | vjudge5 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 928 Byte |
Status | AC |
Exec Time | 38 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 | 9 ms | 640 KB |
in10.txt | AC | 9 ms | 640 KB |
in11.txt | AC | 18 ms | 640 KB |
in12.txt | AC | 9 ms | 640 KB |
in13.txt | AC | 15 ms | 640 KB |
in14.txt | AC | 33 ms | 640 KB |
in15.txt | AC | 14 ms | 640 KB |
in16.txt | AC | 32 ms | 640 KB |
in17.txt | AC | 13 ms | 640 KB |
in18.txt | AC | 38 ms | 640 KB |
in19.txt | AC | 17 ms | 640 KB |
in2.txt | AC | 9 ms | 640 KB |
in20.txt | AC | 34 ms | 640 KB |
in21.txt | AC | 19 ms | 640 KB |
in22.txt | AC | 18 ms | 640 KB |
in23.txt | AC | 17 ms | 640 KB |
in24.txt | AC | 20 ms | 640 KB |
in25.txt | AC | 17 ms | 640 KB |
in26.txt | AC | 18 ms | 640 KB |
in27.txt | AC | 18 ms | 640 KB |
in28.txt | AC | 20 ms | 640 KB |
in29.txt | AC | 17 ms | 640 KB |
in3.txt | AC | 9 ms | 640 KB |
in30.txt | AC | 17 ms | 640 KB |
in31.txt | AC | 9 ms | 640 KB |
in32.txt | AC | 9 ms | 640 KB |
in33.txt | AC | 19 ms | 640 KB |
in34.txt | AC | 22 ms | 640 KB |
in35.txt | AC | 19 ms | 640 KB |
in36.txt | AC | 1 ms | 256 KB |
in37.txt | AC | 1 ms | 256 KB |
in4.txt | AC | 9 ms | 640 KB |
in5.txt | AC | 9 ms | 640 KB |
in6.txt | AC | 9 ms | 640 KB |
in7.txt | AC | 9 ms | 640 KB |
in8.txt | AC | 9 ms | 640 KB |
in9.txt | AC | 9 ms | 640 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |