Submission #1109169

#TimeUsernameProblemLanguageResultExecution timeMemory
1109169stdfloatNice sequence (IZhO18_sequence)C++17
15 / 100
8 ms1004 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; #define int long long #define sz(v) (int)(v).size() void solve() { int n, m; cin >> n >> m; bool tr = false; if (n > m) { tr = true; swap(n, m); } vector<int> v; if (!(m % n)) { for (int i = 1; i < m; i++) v.push_back(-1); } else { int x = m / n + 1, z = x * (n - 1); for (int i = 1; i <= z; i++) { for (int j = 1; j < n; j++) v.push_back(x); if (i < z) v.push_back(-(x * (n - 1) + 1)); } } if (tr) { swap(n, m); for (auto &i : v) i *= -1; } // for (auto i : v) // cout << i << ' '; // cout << endl; // ll sm1 = 0, sm2 = 0; // for (int i = 0; i < sz(v); i++) { // sm1 += v[i] - (n <= i ? v[i - n] : 0); // sm2 += v[i] - (m <= i ? v[i - m] : 0); // if (n - 1 <= i) { // if (sm1 >= 0) { // cout << "sad1\n"; // exit(false); // } // // assert(sm1 < 0); // } // if (m - 1 <= i) { // if (sm2 <= 0) { // // cout << "sad2 " << i - m + 1 << ' ' << i << '\n'; // // exit(false); // } // // assert(sm2 > 0); // } // } cout << sz(v) << '\n'; for (auto i : v) cout << i << ' '; if (!v.empty()) cout << '\n'; } int32_t main() { ios::sync_with_stdio(false); cin.tie(nullptr); int T; cin >> T; while (T--) solve(); }
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