From c53e273f03a6a7bdb03870d3af565ca44e77fc0b Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Tue, 1 Aug 2023 21:07:23 +0300 Subject: Solve a problem from codeforces --- codeforces/ForbiddenInteger/main | Bin 0 -> 16624 bytes codeforces/ForbiddenInteger/main.cpp | 157 +++++++++++++++++++++++++++ codeforces/ForbiddenInteger/main_input0.txt | 6 + codeforces/ForbiddenInteger/main_output0.txt | 11 ++ 4 files changed, 174 insertions(+) create mode 100755 codeforces/ForbiddenInteger/main create mode 100755 codeforces/ForbiddenInteger/main.cpp create mode 100644 codeforces/ForbiddenInteger/main_input0.txt create mode 100644 codeforces/ForbiddenInteger/main_output0.txt (limited to 'codeforces') diff --git a/codeforces/ForbiddenInteger/main b/codeforces/ForbiddenInteger/main new file mode 100755 index 0000000..d9bcc05 Binary files /dev/null and b/codeforces/ForbiddenInteger/main differ diff --git a/codeforces/ForbiddenInteger/main.cpp b/codeforces/ForbiddenInteger/main.cpp new file mode 100755 index 0000000..1dda88e --- /dev/null +++ b/codeforces/ForbiddenInteger/main.cpp @@ -0,0 +1,157 @@ +#include +using namespace std; + +using ll = long long; +using pii = pair; +using vpi = vector; +using vi = vector; +using vll = vector; +using mpii = map; +using mpll = map; +using db = long double; + +#define pb push_back +#define all(x) (x).begin(), (x).end() +#define rall(x) (x).rbegin(), (x).rend() +#define lb lower_bound +#define ub upper_bound +#define make_unique(x) \ + sort(all((x))); \ + (x).resize(unique(all((x))) - (x).begin()) +#define ceil(a, b) ((a) + (b)-1) / (b) + +const int MOD = (int)1e9 + 7; +const db PI = acos((db)-1); +const int dx[4]{1, 0, -1, 0}; +const int dy[4]{0, 1, 0, -1}; + +template +ostream &operator<<(ostream &os, const pair &p); +template ostream &operator<<(ostream &os, const vector &vec); +template +ostream &operator<<(ostream &os, const map &m); +template +ostream &operator<<(ostream &os, const unordered_map &m); +template ostream &operator<<(ostream &os, const set &s); +template +ostream &operator<<(ostream &os, const unordered_set &s); + +template +ostream &operator<<(ostream &os, const pair &p) { + os << "(" << p.first << ", " << p.second << ")"; + return os; +} + +template ostream &operator<<(ostream &os, const vector &vec) { + os << "{"; + for (size_t i = 0; i < vec.size(); ++i) { + if (i > 0) + os << ", "; + os << vec[i]; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const map &m) { + os << "{"; + for (const auto &p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const unordered_map &m) { + os << "{"; + for (const auto &p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template ostream &operator<<(ostream &os, const set &s) { + int i = 0; + os << "{"; + for (const auto &e : s) { + if (i > 0) + os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + +template +ostream &operator<<(ostream &os, const unordered_set &s) { + int i = 0; + os << "{"; + for (const auto &e : s) { + if (i > 0) + os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + +void dbg() { cerr << "\n"; } + +template void dbg(T val, TS... vals) { + cerr << val << " "; + dbg(vals...); +} + +/* stuff you should look for: + --------------------------- + * special cases (n=1?) + * int overflow, array bounds + * do smth instead of nothing and stay organized + * WRITE STUFF DOWN + * DON'T GET STUCK ON ONE APPROACH + */ + +void solve() { + int n, k, x; + cin >> n >> k >> x; + if (k == 1 && x == 1 || (n % 2 == 1 && k == 2 && x == 1)) { + cout << "NO\n"; + } else { + cout << "YES\n"; + if (x != 1) { + cout << n << "\n"; + for (int i = 0; i < n; i++) { + cout << 1 << " \n"[i == n - 1]; + } + } else { + if (n % 2 == 0) { + cout << n / 2 << '\n'; + for (int i = 0; i * 2 < n; i++) { + cout << 2 << " "; + } + cout << '\n'; + } else { + cout << ((n - 3) / 2) + 1 << '\n'; + for (int i = 0; i < (n - 3) / 2; i++) { + cout << 2 << " "; + } + cout << 3 << '\n'; + } + } + } +} + +int main() { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while (tt--) { + solve(); + } +} diff --git a/codeforces/ForbiddenInteger/main_input0.txt b/codeforces/ForbiddenInteger/main_input0.txt new file mode 100644 index 0000000..1b3d214 --- /dev/null +++ b/codeforces/ForbiddenInteger/main_input0.txt @@ -0,0 +1,6 @@ +5 +10 3 2 +5 2 1 +4 2 1 +7 7 3 +6 1 1 diff --git a/codeforces/ForbiddenInteger/main_output0.txt b/codeforces/ForbiddenInteger/main_output0.txt new file mode 100644 index 0000000..27737a1 --- /dev/null +++ b/codeforces/ForbiddenInteger/main_output0.txt @@ -0,0 +1,11 @@ +YES +6 +3 1 1 1 1 3 +NO +YES +2 +2 2 +YES +1 +7 +NO -- cgit v1.2.3