Submission #3767925


Source Code Expand

#include <bits/stdc++.h>
#define rep(i, m, n) for(int i = m; i < (n); i++)
#define print(x) cout << (x) << endl;
#define printa(x,n) for(int i = 0; i < n; i++){ cout << (x[i]) << " ";} cout << endl;
#define printa2(x,m,n) for(int i = 0; i < m; i++){ for(int j = 0; j < n; j++){ cout << x[i][j] << " ";} cout << endl;}
#define printp(x,n) for(int i = 0; i < n; i++){ cout << "(" << x[i].first << ", " << x[i].second << ") "; } cout << endl;
#define INF (1e18)
using namespace std;
typedef long long ll;
const ll MOD = 1e9 + 7;
typedef struct{
    int x;
    int y;
} P;
typedef struct{
    ll to;
    ll cost;
} edge;
typedef pair<ll, ll> lpair;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll N,L;
    ll a[100010];
    cin >> N >> L;
    rep(i,0,N){
        cin >> a[i];
    }
    ll sum[100010] = {};
    rep(i,0,N){
        sum[i+1] = sum[i] + a[i];
    }
    ll val = sum[N];
    // print(val);
    ll rv = N-1;
    ll lv = 0;
    vector<ll> ans;
    ll cnt = 0;
    bool is_ok = false;
    ll pos = -1;
    rep(i,0,N-1){
        if(a[i] + a[i+1] >= L){
            is_ok = true;
            pos = i;
        }
    }
    // print(pos);
    if(!is_ok){
        print("Impossible");
        return 0;
    }
    print("Possible");
    rep(i,0,pos){
        print(i+1);
    }
    rep(i,pos+1,N-1){
        print(i+1);
    }
    print(pos+1);

    // while(cnt < N-1){

    //     // if(val < L){
    //     //     print("Impossible");
    //     //     return 0;
    //     // }
    //     // ll v1 = sum[rv] - sum[lv];
    //     // ll v2 = sum[rv+1] - sum[lv+1];
    //     // print(v1);
    //     // print(v2);
    //     // print("--");
    //     // if(v1 < v2){
    //     //     ans.push_back(lv+1);
    //     //     val -= a[lv];
    //     //     lv++;

    //     // }else{
    //     //     ans.push_back(rv);
    //     //     val -= a[rv];
    //     //     rv--;
    //     // }
    //     // cnt++;
    // }
    // print("Possible");
    // rep(i,0,N-1){
    //     print(ans[i]);
    // }

}

Submission Info

Submission Time
Task C - Knot Puzzle
User yuji9511
Language C++14 (GCC 5.4.1)
Score 0
Code Size 2121 Byte
Status WA
Exec Time 168 ms
Memory 1664 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 500
Status
AC × 3
AC × 27
WA × 8
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 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt AC 161 ms 1664 KB
1_03.txt AC 7 ms 1024 KB
1_04.txt WA 160 ms 1664 KB
1_05.txt AC 7 ms 1024 KB
1_06.txt AC 159 ms 1664 KB
1_07.txt AC 7 ms 1024 KB
1_08.txt AC 158 ms 1664 KB
1_09.txt AC 7 ms 1024 KB
1_10.txt WA 165 ms 1664 KB
1_11.txt AC 7 ms 1024 KB
1_12.txt AC 168 ms 1664 KB
1_13.txt AC 11 ms 1024 KB
1_14.txt AC 163 ms 1664 KB
1_15.txt WA 1 ms 256 KB
1_16.txt AC 1 ms 256 KB
1_17.txt AC 11 ms 1024 KB
1_18.txt WA 157 ms 1536 KB
1_19.txt AC 12 ms 1024 KB
1_20.txt AC 11 ms 1024 KB
1_21.txt WA 161 ms 1664 KB
1_22.txt WA 156 ms 1536 KB
1_23.txt AC 11 ms 1024 KB
1_24.txt WA 145 ms 1536 KB
1_25.txt AC 11 ms 1024 KB
1_26.txt WA 149 ms 1536 KB
1_27.txt AC 159 ms 1536 KB
1_28.txt AC 157 ms 1536 KB
1_29.txt AC 148 ms 1536 KB
1_30.txt AC 157 ms 1536 KB
1_31.txt AC 149 ms 1536 KB