Submission #905779
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define MAX_N 1000 int n,maxm=0; int a[MAX_N]; int t[MAX_N]; bool solve(){ if(t[maxm]==n && maxm==1){ if(n==2)return true; else return false; } for(int i=0;i<n;i++){ if(a[i]<maxm/2)return false; } if(maxm%2==0){ for(int i=maxm;i>maxm/2;i--){ t[i]-=2; if(t[i]<0)return false; } t[maxm/2]--; if(t[maxm/2]<0)return false; for(int i=0;i<=maxm/2;i++){ if(t[i]>0)return false; } return true; }else{ for(int i=maxm;i>maxm/2;i--){ t[i]-=2; if(t[i]<0)return false; } for(int i=0;i<=maxm/2+1;i++){ if(t[i]>0)return false; } return true; } } int main(){ cin>>n; for(int i=0;i<n;i++){ cin>>a[i]; maxm=max(maxm,a[i]); t[ a[i] ]++; } if(solve())cout<<"Possible"<<endl; else cout<<"Impossible"<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Tree Restoring |
User | dohatsutsu |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 984 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0, example1, example2, example3, example4, example5 |
All | almostline0, almostline1, almostline2, almostline3, can0, can1, can2, can3, can4, can5, can6, deg0, deg1, deg2, deg3, example0, example1, example2, example3, example4, example5, handmade0, line0, line1, line2, line3, ng10, ng11, ng12, ng13, ng20, ng21, ng22, ng23, plus0, plus1, plus2, plus3, rand0, rand1, rand2, star0, star1, star2, star3 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
almostline0 | AC | 3 ms | 256 KB |
almostline1 | AC | 3 ms | 256 KB |
almostline2 | AC | 3 ms | 256 KB |
almostline3 | AC | 3 ms | 256 KB |
can0 | AC | 3 ms | 256 KB |
can1 | AC | 3 ms | 256 KB |
can2 | AC | 2 ms | 256 KB |
can3 | AC | 3 ms | 256 KB |
can4 | AC | 3 ms | 256 KB |
can5 | AC | 3 ms | 256 KB |
can6 | AC | 3 ms | 256 KB |
deg0 | AC | 3 ms | 256 KB |
deg1 | AC | 3 ms | 256 KB |
deg2 | AC | 3 ms | 256 KB |
deg3 | AC | 3 ms | 256 KB |
example0 | AC | 3 ms | 256 KB |
example1 | AC | 3 ms | 256 KB |
example2 | AC | 3 ms | 256 KB |
example3 | AC | 3 ms | 256 KB |
example4 | AC | 3 ms | 256 KB |
example5 | AC | 3 ms | 256 KB |
handmade0 | AC | 3 ms | 256 KB |
line0 | AC | 3 ms | 256 KB |
line1 | AC | 3 ms | 256 KB |
line2 | AC | 3 ms | 256 KB |
line3 | AC | 3 ms | 256 KB |
ng10 | AC | 3 ms | 256 KB |
ng11 | AC | 3 ms | 256 KB |
ng12 | AC | 3 ms | 256 KB |
ng13 | AC | 2 ms | 256 KB |
ng20 | AC | 3 ms | 256 KB |
ng21 | AC | 3 ms | 256 KB |
ng22 | AC | 3 ms | 256 KB |
ng23 | AC | 3 ms | 256 KB |
plus0 | AC | 3 ms | 256 KB |
plus1 | AC | 3 ms | 256 KB |
plus2 | AC | 3 ms | 256 KB |
plus3 | AC | 3 ms | 256 KB |
rand0 | AC | 3 ms | 256 KB |
rand1 | AC | 3 ms | 256 KB |
rand2 | AC | 3 ms | 256 KB |
star0 | AC | 3 ms | 256 KB |
star1 | AC | 3 ms | 256 KB |
star2 | AC | 3 ms | 256 KB |
star3 | AC | 3 ms | 256 KB |