Submission #1258799
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int DIM = 1e2 + 5; int cnt[DIM]; int main( void ) { int n; cin >> n; for( int i = 1; i <= n; i ++ ) { int x; cin >> x; cnt[x] ++; } int mxm = n; while( cnt[mxm] == 0 ) mxm --; bool ok = true; if( (mxm + 1) % 2 == 1 ) { if( cnt[mxm / 2] != 1 ) ok = false; for( int i = mxm / 2 + 1; i <= mxm; i ++ ) { if( cnt[i] <= 1 ) ok = false; } for( int i = 1; i <= mxm / 2 - 1; i ++ ) { if( cnt[i] >= 1 ) ok = false; } } else { if( cnt[(mxm + 1) / 2] != 2 ) ok = false; for( int i = (mxm + 1) / 2 + 1; i <= mxm; i ++ ) { if( cnt[i] <= 1 ) ok = false; } for( int i = 1; i <= mxm / 2; i ++ ) { if( cnt[i] >= 1 ) ok = false; } } cout << ( (ok == true) ? "Possible" : "Impossible" ) << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Tree Restoring |
User | EmanuelNrx |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 1167 Byte |
Status | AC |
Exec Time | 1 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 | 1 ms | 256 KB |
almostline1 | AC | 1 ms | 256 KB |
almostline2 | AC | 1 ms | 256 KB |
almostline3 | AC | 1 ms | 256 KB |
can0 | AC | 1 ms | 256 KB |
can1 | AC | 1 ms | 256 KB |
can2 | AC | 1 ms | 256 KB |
can3 | AC | 1 ms | 256 KB |
can4 | AC | 1 ms | 256 KB |
can5 | AC | 1 ms | 256 KB |
can6 | AC | 1 ms | 256 KB |
deg0 | AC | 1 ms | 256 KB |
deg1 | AC | 1 ms | 256 KB |
deg2 | AC | 1 ms | 256 KB |
deg3 | AC | 1 ms | 256 KB |
example0 | AC | 1 ms | 256 KB |
example1 | AC | 1 ms | 256 KB |
example2 | AC | 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 | AC | 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 | AC | 1 ms | 256 KB |
star1 | AC | 1 ms | 256 KB |
star2 | AC | 1 ms | 256 KB |
star3 | AC | 1 ms | 256 KB |