From ef09dc1158cfb989a59af5e987d1791d159ad055 Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Mon, 13 Mar 2023 12:59:41 +0200 Subject: Solved some problems --- contests/Starters80/D/main | Bin 0 -> 33800 bytes contests/Starters80/D/main.cpp | 125 +++++++++++++++++++++++++++++++++ contests/Starters80/D/main_input0.txt | 4 ++ contests/Starters80/D/main_input1.txt | 2 + contests/Starters80/D/main_input2.txt | 2 + contests/Starters80/D/main_input3.txt | 2 + contests/Starters80/D/main_input4.txt | 2 + contests/Starters80/D/main_output0.txt | 3 + contests/Starters80/D/main_output1.txt | 1 + contests/Starters80/D/main_output2.txt | 1 + contests/Starters80/D/main_output3.txt | 1 + contests/Starters80/D/main_output4.txt | 1 + 12 files changed, 144 insertions(+) create mode 100755 contests/Starters80/D/main create mode 100755 contests/Starters80/D/main.cpp create mode 100644 contests/Starters80/D/main_input0.txt create mode 100644 contests/Starters80/D/main_input1.txt create mode 100644 contests/Starters80/D/main_input2.txt create mode 100644 contests/Starters80/D/main_input3.txt create mode 100644 contests/Starters80/D/main_input4.txt create mode 100644 contests/Starters80/D/main_output0.txt create mode 100644 contests/Starters80/D/main_output1.txt create mode 100644 contests/Starters80/D/main_output2.txt create mode 100644 contests/Starters80/D/main_output3.txt create mode 100644 contests/Starters80/D/main_output4.txt (limited to 'contests/Starters80/D') diff --git a/contests/Starters80/D/main b/contests/Starters80/D/main new file mode 100755 index 0000000..52eeeea Binary files /dev/null and b/contests/Starters80/D/main differ diff --git a/contests/Starters80/D/main.cpp b/contests/Starters80/D/main.cpp new file mode 100755 index 0000000..e742d6a --- /dev/null +++ b/contests/Starters80/D/main.cpp @@ -0,0 +1,125 @@ +#include +using namespace std; + +using ll = long long; +using pi = 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 + +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}; + +//pretty printing +template +void printm(const map &mp) { + cerr << "{" << endl; + for (auto p : mp) { + cerr << " { " << p.first << " : " << p.second << " }\n"; + } + cerr << "}" << endl; +} +template +void printv(const vector &v) { + cerr << "["; + for (int i = 0; i < v.size(); i++) { + if (i == v.size() - 1) { + cerr << v[i]; + } else { + cerr << v[i] << ", "; + } + } + cerr << "]\n"; +} + +template +void printvv(const vector> &v) { + cerr << "[\n"; + for (auto &vec : v) { + cout << " "; + printv(vec); + } + cerr << "]\n"; +} +void print() { + cerr << "\n"; +} + +template +void print(T val, TS... vals) { + cerr << val << " "; + print(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() { + ll n; + cin >> n; + ll sum = (n * (n + 1)) / 2; + vi v1 = {3, 4, 1, 2}; + vi v2 = {1, 2, 4, 6, 3, 5}; + if (sum % n == 0) { + cout << -1 << '\n'; + } else { + vi ans(n); + if (n == 2) { + cout << 1 << " " << 2 << '\n'; + } + else if (n == 4) { + for (auto x : v1) { + cout << x << ' '; + } + cout << '\n'; + } else if (n == 6) { + for (auto x : v2) { + cout << x << ' '; + } + cout << '\n'; + } else { + for (int i = 7; i <= n; i++) { + if (i % 2 == 1) { + v2.push_back(i + 1); + } else { + v2.push_back(i - 1); + } + } + for (auto x : v2) { + cout << x << ' '; + } + cout << '\n'; + } + } + +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while(tt--) { + solve(); + } +} + + diff --git a/contests/Starters80/D/main_input0.txt b/contests/Starters80/D/main_input0.txt new file mode 100644 index 0000000..11f6059 --- /dev/null +++ b/contests/Starters80/D/main_input0.txt @@ -0,0 +1,4 @@ +3 +4 +6 +7 diff --git a/contests/Starters80/D/main_input1.txt b/contests/Starters80/D/main_input1.txt new file mode 100644 index 0000000..4551b90 --- /dev/null +++ b/contests/Starters80/D/main_input1.txt @@ -0,0 +1,2 @@ +1 +8 \ No newline at end of file diff --git a/contests/Starters80/D/main_input2.txt b/contests/Starters80/D/main_input2.txt new file mode 100644 index 0000000..ecf8935 --- /dev/null +++ b/contests/Starters80/D/main_input2.txt @@ -0,0 +1,2 @@ +1 +12 \ No newline at end of file diff --git a/contests/Starters80/D/main_input3.txt b/contests/Starters80/D/main_input3.txt new file mode 100644 index 0000000..7a754f4 --- /dev/null +++ b/contests/Starters80/D/main_input3.txt @@ -0,0 +1,2 @@ +1 +2 \ No newline at end of file diff --git a/contests/Starters80/D/main_input4.txt b/contests/Starters80/D/main_input4.txt new file mode 100644 index 0000000..7a754f4 --- /dev/null +++ b/contests/Starters80/D/main_input4.txt @@ -0,0 +1,2 @@ +1 +2 \ No newline at end of file diff --git a/contests/Starters80/D/main_output0.txt b/contests/Starters80/D/main_output0.txt new file mode 100644 index 0000000..5602f68 --- /dev/null +++ b/contests/Starters80/D/main_output0.txt @@ -0,0 +1,3 @@ +3 4 1 2 +1 2 4 6 3 5 +-1 diff --git a/contests/Starters80/D/main_output1.txt b/contests/Starters80/D/main_output1.txt new file mode 100644 index 0000000..f2036c1 --- /dev/null +++ b/contests/Starters80/D/main_output1.txt @@ -0,0 +1 @@ +1 2 4 6 3 5 8 7 \ No newline at end of file diff --git a/contests/Starters80/D/main_output2.txt b/contests/Starters80/D/main_output2.txt new file mode 100644 index 0000000..9a0233d --- /dev/null +++ b/contests/Starters80/D/main_output2.txt @@ -0,0 +1 @@ +1 2 4 6 3 5 8 7 10 9 12 11 \ No newline at end of file diff --git a/contests/Starters80/D/main_output3.txt b/contests/Starters80/D/main_output3.txt new file mode 100644 index 0000000..1c6ae71 --- /dev/null +++ b/contests/Starters80/D/main_output3.txt @@ -0,0 +1 @@ +1 2 \ No newline at end of file diff --git a/contests/Starters80/D/main_output4.txt b/contests/Starters80/D/main_output4.txt new file mode 100644 index 0000000..1c6ae71 --- /dev/null +++ b/contests/Starters80/D/main_output4.txt @@ -0,0 +1 @@ +1 2 \ No newline at end of file -- cgit v1.2.3