Submission #1165268
Source Code Expand
#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; vector<int> a(n); for(int i=0;i<n;i++) cin>>a[i]; vector<int> cnt(n,0); for(int i=0;i<n;i++){ cnt[a[i]]++; } int m=*max_element(a.begin(),a.end()); bool isok=true; if(m%2==0){ for(int l=0;l<n;l++){ if(l>m/2){ isok=isok&&(cnt[l]>=2); } else if(l==m/2){ isok=isok&&(cnt[l]==1); } else{ isok=isok&&(cnt[l]==0); } } } else{ for(int l=0;l<n;l++){ if(l>(m+1)/2){ isok=isok&&(cnt[l]>=2); } else if(l==(m+1)/2){ isok=isok&&(cnt[l]==2); } else{ isok=isok&&(cnt[l]==0); } } } cout<<(isok ? "Possible" :"Impossible")<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Tree Restoring |
User | nikutto |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 771 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | WA | 1 ms | 256 KB |
almostline1 | WA | 1 ms | 256 KB |
almostline2 | WA | 1 ms | 256 KB |
almostline3 | WA | 1 ms | 256 KB |
can0 | WA | 1 ms | 256 KB |
can1 | WA | 1 ms | 256 KB |
can2 | WA | 1 ms | 256 KB |
can3 | WA | 1 ms | 256 KB |
can4 | WA | 1 ms | 256 KB |
can5 | WA | 1 ms | 256 KB |
can6 | WA | 1 ms | 256 KB |
deg0 | WA | 1 ms | 256 KB |
deg1 | WA | 1 ms | 256 KB |
deg2 | WA | 1 ms | 256 KB |
deg3 | WA | 1 ms | 256 KB |
example0 | WA | 1 ms | 256 KB |
example1 | AC | 1 ms | 256 KB |
example2 | WA | 1 ms | 256 KB |
example3 | AC | 1 ms | 256 KB |
example4 | AC | 1 ms | 256 KB |
example5 | AC | 1 ms | 256 KB |
handmade0 | AC | 1 ms | 256 KB |
line0 | AC | 1 ms | 256 KB |
line1 | AC | 1 ms | 256 KB |
line2 | AC | 1 ms | 256 KB |
line3 | AC | 1 ms | 256 KB |
ng10 | AC | 1 ms | 256 KB |
ng11 | AC | 1 ms | 256 KB |
ng12 | AC | 1 ms | 256 KB |
ng13 | AC | 1 ms | 256 KB |
ng20 | AC | 1 ms | 256 KB |
ng21 | AC | 1 ms | 256 KB |
ng22 | AC | 1 ms | 256 KB |
ng23 | AC | 1 ms | 256 KB |
plus0 | WA | 1 ms | 256 KB |
plus1 | AC | 1 ms | 256 KB |
plus2 | AC | 1 ms | 256 KB |
plus3 | AC | 1 ms | 256 KB |
rand0 | AC | 1 ms | 256 KB |
rand1 | AC | 1 ms | 256 KB |
rand2 | AC | 1 ms | 256 KB |
star0 | WA | 1 ms | 256 KB |
star1 | WA | 1 ms | 256 KB |
star2 | WA | 1 ms | 256 KB |
star3 | WA | 1 ms | 256 KB |