#include <cstdio> #include <unordered_set> #include <vector> void get_winner() { unsigned int n; unsigned int m; int deck1; int deck2; char dir; bool win; // Decks of player 2 that can possibly win std::unordered_set<int> winning_decks; // How many decks of player 1 are better than deck i of player 2 std::vector<unsigned int> how_many_better; std::scanf("%u %u", &n, &m); how_many_better.resize(n, 0); for(unsigned int i = 0; i < m; ++i) { std::scanf("%d %c %d", &deck1, &dir, &deck2); // Another deck of player 1 is better than deck2 if(dir == '>') { ++how_many_better[deck2 - 1]; } // Deck of player 2 can possibly win else { winning_decks.insert(deck2); } } // If every deck of player 2 can win over a deck of player 1 // player 2 wins if(winning_decks.size() == n) { std::printf("PRZEGRANA\n"); } // Otherwise player 1 can always at leas draw // (by removing all but a non-wining deck of player 2) else { win = false; for(auto &hmb : how_many_better) { // Player 1 can win if(hmb == n) { win = true; std::printf("WYGRANA\n"); break; } } // Player 1 cannot win but can draw if(!win) { std::printf("REMIS\n"); } } } int main() { int t; std::scanf("%d", &t); while(t-- > 0) { get_winner(); } return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | #include <cstdio> #include <unordered_set> #include <vector> void get_winner() { unsigned int n; unsigned int m; int deck1; int deck2; char dir; bool win; // Decks of player 2 that can possibly win std::unordered_set<int> winning_decks; // How many decks of player 1 are better than deck i of player 2 std::vector<unsigned int> how_many_better; std::scanf("%u %u", &n, &m); how_many_better.resize(n, 0); for(unsigned int i = 0; i < m; ++i) { std::scanf("%d %c %d", &deck1, &dir, &deck2); // Another deck of player 1 is better than deck2 if(dir == '>') { ++how_many_better[deck2 - 1]; } // Deck of player 2 can possibly win else { winning_decks.insert(deck2); } } // If every deck of player 2 can win over a deck of player 1 // player 2 wins if(winning_decks.size() == n) { std::printf("PRZEGRANA\n"); } // Otherwise player 1 can always at leas draw // (by removing all but a non-wining deck of player 2) else { win = false; for(auto &hmb : how_many_better) { // Player 1 can win if(hmb == n) { win = true; std::printf("WYGRANA\n"); break; } } // Player 1 cannot win but can draw if(!win) { std::printf("REMIS\n"); } } } int main() { int t; std::scanf("%d", &t); while(t-- > 0) { get_winner(); } return 0; } |