Submission #1258568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258568		damasen	Trol (COCI19_trol)	C++20	0 / 50	0 ms	328 KiB

trol

#include <bits/stdc++.h>

using namespace std;

int main(){
    long long u, v;
    cin >> u >> v;
    if (u > v){
        cout << -1;
        return 0;
    }
    else if (u == 0 && v == 0){
        cout << 0;
        return 0;
    }
    if ((v - u) % 2 == 0){
        cout << 1 + (v-u) << '\n';
        cout << u << ' ';
        for(int i = 0; i  < v - u; i++){
            cout << 1 << ' ';
        }
    }
    else cout << -1;
}

• Subtask 1: 0 / 50