Submission #1306082
Source Code Expand
#include<bits/stdc++.h> using namespace std; int N; vector<int> arr; int gcd(int a, int b) { return b? gcd(b, a % b) : a; } void solve(int first) { int cnt = 0, v; for(int i = 0; i < N; i++) { if(arr[i] & 1) { cnt++; v = arr[i]; arr[i]--; } } if(cnt == 1 && v != 1) { int g = arr[0]; for(int i = 1; i < N; i++) { g = gcd(g, arr[i]); } int p = 0; for(int i = 0; i < N; i++) { arr[i] /= g; p ^= ((arr[i] - 1) & 1); } if(p) { if(first) printf("First"); else printf("Second"); } else solve(first ^ 1); } else { if(first) printf("First"); else printf("Second"); } } int main() { scanf("%d", &N); arr.resize(N); int p = 0; for(int i = 0; i < N; i++) { scanf("%d", &arr[i]); p ^= ((arr[i] - 1) & 1); } if(p) printf("First"); else solve(0); }
Submission Info
Submission Time | |
---|---|
Task | D - Decrementing |
User | choikiwon |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1067 Byte |
Status | AC |
Exec Time | 42 ms |
Memory | 768 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:43:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.cpp:47:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &arr[i]); ^
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 | 13 ms | 640 KB |
in10.txt | AC | 13 ms | 640 KB |
in11.txt | AC | 22 ms | 640 KB |
in12.txt | AC | 13 ms | 640 KB |
in13.txt | AC | 19 ms | 640 KB |
in14.txt | AC | 37 ms | 640 KB |
in15.txt | AC | 18 ms | 640 KB |
in16.txt | AC | 36 ms | 640 KB |
in17.txt | AC | 17 ms | 640 KB |
in18.txt | AC | 42 ms | 640 KB |
in19.txt | AC | 21 ms | 640 KB |
in2.txt | AC | 13 ms | 640 KB |
in20.txt | AC | 38 ms | 640 KB |
in21.txt | AC | 23 ms | 640 KB |
in22.txt | AC | 22 ms | 640 KB |
in23.txt | AC | 21 ms | 640 KB |
in24.txt | AC | 23 ms | 640 KB |
in25.txt | AC | 21 ms | 640 KB |
in26.txt | AC | 22 ms | 640 KB |
in27.txt | AC | 22 ms | 640 KB |
in28.txt | AC | 24 ms | 640 KB |
in29.txt | AC | 21 ms | 640 KB |
in3.txt | AC | 13 ms | 640 KB |
in30.txt | AC | 21 ms | 768 KB |
in31.txt | AC | 13 ms | 640 KB |
in32.txt | AC | 13 ms | 640 KB |
in33.txt | AC | 23 ms | 640 KB |
in34.txt | AC | 26 ms | 640 KB |
in35.txt | AC | 23 ms | 640 KB |
in36.txt | AC | 1 ms | 256 KB |
in37.txt | AC | 1 ms | 256 KB |
in4.txt | AC | 13 ms | 640 KB |
in5.txt | AC | 13 ms | 640 KB |
in6.txt | AC | 13 ms | 640 KB |
in7.txt | AC | 13 ms | 640 KB |
in8.txt | AC | 13 ms | 640 KB |
in9.txt | AC | 13 ms | 640 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |