Submission #2212767
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; int n,a[100005]; int gcd(int a,int b){ int t; while(b){ t=a;a=b;b=t%b; } return a; } bool calc(){ int tot=0,one=0,w;ll tota=0; for(int i=1;i<=n;i++){ if(a[i]==1) one=1; tota+=a[i]; if(a[i]&1) tot++,w=i; } if(one) return 0; if(tot!=1) return 0; int winner=0; int G=0;a[w]--; for(int i=1;i<=n;i++) G=gcd(G,a[i]); for(int i=1;i<=n;i++) a[i]/=G; tot=0; for(int i=1;i<=n;i++){ if(!(a[i]&1)) tot^=1; } if(!tot) return 1; else return 0; } bool pan(){ scanf("%d",&n); for(int i=1;i<=n;i++) scanf("%d",&a[i]); if(n==1) return a[1]!=1; int sum=0; for(int i=1;i<=n;i++){ if(!(a[i]&1)) sum^=1; } if(sum) return 1; int winner=0; while(calc()){ winner^=1; } return winner; } int main(){ if(pan()) puts("First"); else puts("Second"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Decrementing |
User | liumy2010 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 897 Byte |
Status | AC |
Exec Time | 44 ms |
Memory | 640 KB |
Compile Error
./Main.cpp: In function ‘bool pan()’: ./Main.cpp:33:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:34:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;i++) scanf("%d",&a[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
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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 | 12 ms | 640 KB |
in10.txt | AC | 12 ms | 640 KB |
in11.txt | AC | 23 ms | 640 KB |
in12.txt | AC | 13 ms | 640 KB |
in13.txt | AC | 20 ms | 640 KB |
in14.txt | AC | 39 ms | 640 KB |
in15.txt | AC | 18 ms | 640 KB |
in16.txt | AC | 37 ms | 640 KB |
in17.txt | AC | 17 ms | 640 KB |
in18.txt | AC | 44 ms | 640 KB |
in19.txt | AC | 22 ms | 640 KB |
in2.txt | AC | 12 ms | 640 KB |
in20.txt | AC | 40 ms | 640 KB |
in21.txt | AC | 24 ms | 640 KB |
in22.txt | AC | 22 ms | 640 KB |
in23.txt | AC | 21 ms | 640 KB |
in24.txt | AC | 24 ms | 640 KB |
in25.txt | AC | 21 ms | 640 KB |
in26.txt | AC | 22 ms | 640 KB |
in27.txt | AC | 23 ms | 640 KB |
in28.txt | AC | 24 ms | 640 KB |
in29.txt | AC | 22 ms | 640 KB |
in3.txt | AC | 12 ms | 640 KB |
in30.txt | AC | 21 ms | 640 KB |
in31.txt | AC | 13 ms | 640 KB |
in32.txt | AC | 13 ms | 640 KB |
in33.txt | AC | 24 ms | 640 KB |
in34.txt | AC | 26 ms | 640 KB |
in35.txt | AC | 24 ms | 640 KB |
in36.txt | AC | 1 ms | 256 KB |
in37.txt | AC | 1 ms | 256 KB |
in4.txt | AC | 12 ms | 640 KB |
in5.txt | AC | 12 ms | 640 KB |
in6.txt | AC | 12 ms | 640 KB |
in7.txt | AC | 12 ms | 640 KB |
in8.txt | AC | 12 ms | 640 KB |
in9.txt | AC | 12 ms | 640 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |