Submission #877457

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
877457	2023-11-23T08:49:41 Z	prince	Bootfall (IZhO17_bootfall)	C++17	6 / 100	1000 ms	660 KB

bootfall

#include "bits/stdc++.h"

using namespace std;
using ll = long long;
ll rec(int n,vector<int>&vec,int sum1,int sum2){
    if(n==0){
        return abs(sum1-sum2);
    }
    int a=rec(n-1,vec,sum1+vec[n-1],sum2);
    int b=rec(n-1,vec,sum1,sum2+vec[n-1]);
    return min(a,b);
}
void solve(){
    int n;cin>>n;
    vector<int>vec(n);
    set<int>st;
    sort(vec.begin(),vec.end());
    if(n%2&&vec[0]==vec[vec.size()-1]){
        cout<<0;
        return;
    }
    for(auto &x:vec)cin>>x;
    for(ll i=0;i<n;i++){
        for(ll j=1;j<=1e3;j++){
            bool check=1;
            for(ll k=0;k<n;k++){
                ll l=vec[k];
                vec[k]=j;
                //cout<<l<<" ";
                ll ans=rec(n,vec,0,0);
                vec[k]=l;
                if(ans!=0){
                    check=0;
                    break;
                }
            }
            if(check){
                //cout<<j<<" ";
                st.insert(j);
            }
        }
    }
    cout<<st.size()<<endl;
    for(auto &x:st)cout<<x<<" ";
}
signed main() {
    cin.tie(0)->sync_with_stdio(false);
#ifdef prince
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    int q = 1;
    // cin >> q;
    while (q--) {
        solve();
        cout << '\n';
    }
}

Subtask #1

6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct

Subtask #2

0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct
10	Execution timed out	1053 ms	348 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct
10	Execution timed out	1053 ms	348 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #4

0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct
10	Execution timed out	1053 ms	348 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #5

0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct
10	Execution timed out	1053 ms	348 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #6

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	319 ms	448 KB	Output is correct
6	Correct	5 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	335 ms	444 KB	Output is correct
9	Correct	31 ms	660 KB	Output is correct
10	Execution timed out	1053 ms	348 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-