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#include <bits/stdc++.h> using namespace std; #define loop(i, a, n) for (lli i = (a); i < (n); ++i) #define loopD(i, a, n) for (lli i = (a); i >= (n); --i) #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define sz(a) ((lli)a.size()) #define YES cout << "YES" << endl; #define NO cout << "NO" << endl; #define endl '\n' #define fastio std::ios::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); #define pb push_back #define pp pop_back() #define fi first #define si second #define v(a) vector<int>(a) #define vv(a) vector<vector<int>>(a) #define present(c, x) ((c).find(x) != (c).end()) #define set_bits __builtin_popcountll #define MOD 1000000007 #define int long long typedef long long lli; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<lli, lli> pll; typedef pair<int, int> pii; typedef unordered_map<int, int> umpi; typedef map<int, int> mpi; typedef vector<pii> vp; typedef vector<lli> vll; typedef vector<vll> vvll; struct Line { int x1, y1, x2, y2; bool vertical() const { return x1 == x2; } bool horizontal() const { return y1 == y2; } bool diagonal() const { return abs(x2 - x1) == abs(y2 - y1); } }; int N, K; vector<Line> lines; map<pair<int, int>, vector<int>> ptsMap; void add(const Line& line, int idx) { int x1 = line.x1, y1 = line.y1; int x2 = line.x2, y2 = line.y2; if (line.vertical()) { int yStart = min(y1, y2); int yEnd = max(y1, y2); for(int y = yStart; y <= yEnd; y++) { ptsMap[{x1, y}].push_back(idx); } } else if (line.horizontal()) { int xStart = min(x1, x2); int xEnd = max(x1, x2); for(int x = xStart; x <= xEnd; x++) { ptsMap[{x, y1}].push_back(idx); } } else if (line.diagonal()) { int steps = abs(x2 - x1); int dx = (x2 - x1) / steps; int dy = (y2 - y1) / steps; for(int i = 0; i <= steps; i++) { int x = x1 + i * dx; int y = y1 + i * dy; ptsMap[{x, y}].push_back(idx); } } } int ff(int x1, int y1, int x2, int y2) { if(x1 == x2) return abs(y1 - y2); if(y1 == y2) return abs(x1 - x2); if(abs(x1 - x2) == abs(y1 - y2)) return abs(x1 - x2); return 0; } int solve(const pair<int, int>& pt, const vector<int>& lst) { vector<int> d; for(auto lIdx : lst) { const Line& ln = lines[lIdx]; bool oneSided = (pt.first == ln.x1 && pt.second == ln.y1) || (pt.first == ln.x2 && pt.second == ln.y2); if(oneSided) { int ex = (pt.first == ln.x1 && pt.second == ln.y1) ? ln.x2 : ln.x1; int ey = (pt.first == ln.x1 && pt.second == ln.y1) ? ln.y2 : ln.y1; d.push_back(ff(pt.first, pt.second, ex, ey)); } else { d.push_back(ff(pt.first, pt.second, ln.x1, ln.y1)); d.push_back(ff(pt.first, pt.second, ln.x2, ln.y2)); } } return d.empty() ? 0 : *min_element(d.begin(), d.end()); } void solve() { cin >> N; lines.resize(N); for(int i = 0; i < N; i++) { cin >> lines[i].x1 >> lines[i].y1 >> lines[i].x2 >> lines[i].y2; add(lines[i], i); } cin >> K; int total = 0; for(auto &[pt, lst] : ptsMap) { if(sz(lst) == K) { total += solve(pt, lst); } } cout << total; } int32_t main() { solve(); return 0; } // magic stars intensity ac Full accepted ☺️

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\#include <bits/stdc++.h> using namespace std; #define loop(i, a, n) for (lli i = (a); i < (n); ++i) #define loopD(i, a, n) for (lli i = (a); i >= (n); --i) #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define sz(a) ((int)a.size()) #define YES cout << "YES"; #define NO cout << "NO"; #define endl '\n' #define fastio std::ios::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); #define pb push_back #define pp pop_back() #define fi first #define si second #define v(a) vector<int>(a) #define vv(a) vector<vector<int>>(a) #define present(c, x) ((c).find(x) != (c).end()) #define set_bits __builtin_popcountll #define MOD 1000000007 #define int long long typedef long long lli; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<lli, lli> pll; typedef pair<int, int> pii; typedef unordered_map<int, int> umpi; typedef map<int, int> mpi; typedef vector<pii> vp; typedef vector<lli> vll; typedef vector<vll> vvll; struct game { int start; int end; string type; }; bool solve(vector<int>& dieRolls, unordered_map<int, int>& board, int finalPos) { int position = 1; for (int roll : dieRolls) { if (position + roll <= 100) { position += roll; } while (board.find(position) != board.end()) { position = board[position]; } } if (board.find(position) != board.end()) { return false; } return position == finalPos; } void solve() { int N; cin >> N; vector<game> snakesLadders; unordered_map<int, int> board; for (int i = 0; i < N; ++i) { int start, end; cin >> start >> end; game sl; sl.start = start; sl.end = end; if (start > end) { sl.type = "Snake"; } else { sl.type = "Ladder"; } snakesLadders.push_back(sl); board[start] = end; } vector<int> remainingInput; int num; while (cin >> num) { remainingInput.push_back(num); } if (remainingInput.empty()) { cout << "Not reachable"; return; } int finalPos = remainingInput.back(); remainingInput.pop_back(); vector<int> dieRolls = remainingInput; if (solve(dieRolls, board, finalPos)) { cout << "Not affected"; return; } for (size_t i = 0; i < snakesLadders.size(); ++i) { game& sl = snakesLadders[i]; board.erase(sl.start); int newStart = sl.end; int newEnd = sl.start; string newType = (sl.type == "Snake") ? "Ladder" : "Snake"; if (newStart == 1 || board.find(newStart) != board.end()) { board[sl.start] = sl.end; continue; } board[newStart] = newEnd; if (solve(dieRolls, board, finalPos)) { cout << newType << " " << newStart << " " << newEnd; return ; } board.erase(newStart); board[sl.start] = sl.end; } cout << "Not reachable"; return ; } int32_t main() { int tc = 1; // cin >> tc; while (tc--) { solve(); } return 0; }

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from collections import defaultdict import sys def parse_recipes(n, recipes): graph = defaultdict(list) for recipe in recipes: potion, ingredients = recipe.split('=') graph[potion].append(ingredients.split('+')) return graph def min_orbs(target, graph, cache): if target in cache: return cache[target] if target not in graph: cache[target] = 0 return 0 min_cost = sys.maxsize for recipe in graph[target]: cost = len(recipe) - 1 for ingredient in recipe: cost += min_orbs(ingredient, graph, cache) min_cost = min(min_cost, cost) cache[target] = min_cost return min_cost n = int(input()) recipes = [input().strip() for _ in range(n)] target_potion = input().strip() graph = parse_recipes(n, recipes) cache = {} result = min_orbs(target_potion, graph, cache) print(result, end="") Frenkitsen wala Codevita

#include <bits/stdc++.h> using namespace std; #define loop(i, a, n) for (lli i = (a); i < (n); ++i) #define loopD(i, a, n) for (lli i = (a); i >= (n); --i) #define all(c) (c).begin(), (c).end() #define rall(c) (c).rbegin(), (c).rend() #define sz(a) ((int)a.size()) #define YES cout << "YES" << endl; #define NO cout << "NO" << endl; #define endl '\n' #define fastio std::ios::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); #define pb push_back #define pp pop_back() #define fi first #define si second #define v(a) vector<int>(a) #define vv(a) vector<vector<int>>(a) #define present(c, x) ((c).find(x) != (c).end()) #define set_bits __builtin_popcountll #define MOD 1000000007 #define int long long typedef long long lli; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<lli, lli> pll; typedef pair<int, int> pii; typedef unordered_map<int, int> umpi; typedef map<int, int> mpi; typedef vector<pii> vp; typedef vector<lli> vll; typedef vector<vll> vvll; struct Flight { string src; string to; int dt; int at; int cost; }; int parse_time(const string& time_str) { int hour = stoi(time_str.substr(0, 2)); int minute = stoi(time_str.substr(3, 2)); string am_pm = time_str.substr(5, 2); if (am_pm == "Am") { if (hour == 12) hour = 0; } else if (am_pm == "Pm") { if (hour != 12) hour += 12; } return hour * 60 + minute; } void solve() { int N; cin >> N; vector<Flight> fff(N); unordered_map<string, vector<Flight>> mp; for (int i = 0; i < N; ++i) { string src, to, des, arrival_str; int cost; cin >> src >> to >> des >> arrival_str >> cost; int dt = parse_time(des); int at = parse_time(arrival_str); Flight ff = {src, to, dt, at, cost}; fff[i] = ff; mp[src].push_back(ff); } string src, des; cin >> src >> des; string edes, last; cin >> edes >> last; int earliest_dt = parse_time(edes); int latest_at = parse_time(last); typedef tuple<int, int, string> State; priority_queue<State, vector<State>, greater<State>> pq; for (const auto& ff : mp[src]) { if (ff.dt >= earliest_dt) { if (ff.at <= latest_at) { pq.emplace(ff.cost, ff.at, ff.to); } } } unordered_map<string, int> ans; unordered_map<string, int> at; while (!pq.empty()) { int cost_so_far, current_at; string current_city; tie(cost_so_far, current_at, current_city) = pq.top(); pq.pop(); if (ans.find(current_city) != ans.end()) { if (cost_so_far > ans[current_city]) continue; if (cost_so_far == ans[current_city] && current_at >= at[current_city]) continue; } ans[current_city] = cost_so_far; at[current_city] = current_at; if (current_city == des) { cout << cost_so_far; return ; } for (const auto& ff : mp[current_city]) { if (ff.dt >= current_at) { if (ff.dt >= earliest_dt && ff.at <= latest_at) { int new_cost = cost_so_far + ff.cost; pq.emplace(new_cost, ff.at, ff.to); } } } } cout << "Impossible"; return ; } int32_t main() { int tc = 1; // cin >> tc; while (tc--) { solve(); } return 0; } // Flight Optimization TCS CodeVita accepted

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def minimum_moves(instruct): directions = ["up", "down", "left", "right"] s = len(instruct) dp = [[[float('inf')] * 4 for _ in range(4)] for _ in range(s + 1)] for i in range(4): for j in range(4): dp[0][i][j] = 0 for k in range(1, s + 1): instr_idx = directions.index(instruct[k - 1]) for i in range(4): for j in range(4): if dp[k - 1][i][j] != float('inf'): if instr_idx == i or instr_idx == j: dp[k][i][j] = min(dp[k][i][j], dp[k - 1][i][j]) else: dp[k][i][j] = min(dp[k][i][j], dp[k - 1][instr_idx][j] + 1, dp[k - 1][i][instr_idx] + 1) minimum_moves = float('inf') for i in range(4): for j in range(4): minimum_moves = min(minimum_moves, dp[s][i][j]) return minimum_moves if name == "main": m = int(input().strip()) instruct = [input().strip() for _ in range(m)] result = minimum_moves(instruct) print(result, end="") Dance rev 100% Working

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