Submission #826156


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
  ll n,l,a,b,c,s=0;
  ll i,j,k;
  cin >> n >> l;
  list<ll> q;
  queue<ll> ans;
  ll le=1,ri=n-1;
  for(i=0;i<n;i++){
    cin >> a;
    s+=a;
    q.push_back(a);
  }
  c=n;
  while(c!=1){
    a=q.front();b=q.back();
    if(s<l) break;
    if(a<b){
      s-=a;
      ans.push(le);le++;
      q.pop_front();
    }else{
      s-=b;
      ans.push(ri);ri--;
      q.pop_back();
    }
    c--;
  }
  
  if(ans.size()!=n-1){
    cout << "Impossible" << endl;
  }else{
    cout << "Possible" << endl;
    while(!ans.empty()) {
      a=ans.front();ans.pop();
      cout << a << endl;
    }
  }
  return 0;
}

Submission Info

Submission Time
Task C - Knot Puzzle
User beet
Language C++14 (GCC 5.4.1)
Score 0
Code Size 721 Byte
Status WA
Exec Time 800 ms
Memory 3968 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 28
WA × 7
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt
Case Name Status Exec Time Memory
0_00.txt AC 4 ms 256 KB
0_01.txt AC 4 ms 256 KB
0_02.txt AC 4 ms 256 KB
1_00.txt AC 4 ms 256 KB
1_01.txt AC 4 ms 256 KB
1_02.txt AC 621 ms 3704 KB
1_03.txt AC 46 ms 3456 KB
1_04.txt AC 619 ms 3704 KB
1_05.txt AC 45 ms 3456 KB
1_06.txt AC 631 ms 3968 KB
1_07.txt AC 44 ms 3456 KB
1_08.txt AC 632 ms 3704 KB
1_09.txt AC 46 ms 3456 KB
1_10.txt AC 624 ms 3704 KB
1_11.txt AC 45 ms 3456 KB
1_12.txt AC 800 ms 3704 KB
1_13.txt AC 90 ms 3456 KB
1_14.txt AC 669 ms 3704 KB
1_15.txt WA 4 ms 256 KB
1_16.txt WA 4 ms 256 KB
1_17.txt AC 85 ms 3328 KB
1_18.txt WA 86 ms 3328 KB
1_19.txt AC 87 ms 3456 KB
1_20.txt AC 80 ms 3072 KB
1_21.txt WA 86 ms 3328 KB
1_22.txt WA 84 ms 3200 KB
1_23.txt AC 83 ms 3200 KB
1_24.txt WA 78 ms 3072 KB
1_25.txt AC 85 ms 3328 KB
1_26.txt WA 81 ms 3200 KB
1_27.txt AC 782 ms 3740 KB
1_28.txt AC 775 ms 3696 KB
1_29.txt AC 618 ms 3584 KB
1_30.txt AC 720 ms 3588 KB
1_31.txt AC 608 ms 3508 KB