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Diffstat (limited to 'codeforces/RecentActions/main.cpp')
| -rwxr-xr-x | codeforces/RecentActions/main.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/codeforces/RecentActions/main.cpp b/codeforces/RecentActions/main.cpp new file mode 100755 index 0000000..3ee1841 --- /dev/null +++ b/codeforces/RecentActions/main.cpp @@ -0,0 +1,119 @@ +#include<bits/stdc++.h> +using namespace std; + +using ll = long long; +using pii = pair<int, int>; +using vpi = vector<pii>; +using vi = vector<int>; +using vll = vector<long long>; +using mpii = map<int, int>; +using mpll = map<ll, ll>; +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 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}; + +//pretty printing +template<typename K, typename V> +void printm(const map<K, V> &mp) { + cerr << "{" << endl; + for (auto p : mp) { + cerr << " { " << p.first << " : " << p.second << " }\n"; + } + cerr << "}" << endl; +} +template<typename T> +void printv(const vector<T> &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<typename T> +void printvv(const vector<vector<T>> &v) { + cerr << "[\n"; + for (auto &vec : v) { + cout << " "; + printv(vec); + } + cerr << "]\n"; +} +void print() { + cerr << "\n"; +} + +template<typename T, typename... TS> +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() { + int n, m; + cin >> n >> m; + vi v(m); + deque<int> dq; + for (int i = 1; i <= n; i++) { + dq.pb(i); + } + unordered_map<int, int> mp; + for (auto &x : v) cin >> x; + for (int i = 0; i < m; i++) { + int back = dq.back(); + auto it = find(all(dq), v[i]); + if (it != dq.end()) { // found + continue; + } else { + mp[back] = i + 1; + dq.pop_back(); + dq.push_front(v[i]); + } + } + for (int i = 1; i <= n; i++) { + if (mp[i] != 0) { + cout << mp[i] << ' '; + } else { + cout << -1 << ' '; + } + } + cout << '\n'; +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while(tt--) { + solve(); + } +} + + |
