#include <cstdio> #include <cstdlib> #include <iostream> #include <fstream> #include <sstream> #include <set> #include <map> #include <vector> #include <list> #include <algorithm> #include <cstring> #include <cmath> #include <string> #include <queue> #include <bitset> //UWAGA - w czasie kompilacji musi byc znany rozmiar wektora - nie mozna go zmienic #include <cassert> #include <iomanip> //do setprecision #include <ctime> #include <complex> #include <chrono> #include<unordered_map> using namespace std; #define FOR(i,b,e) for(int i=(b);i<(e);++i) #define FORQ(i,b,e) for(int i=(b);i<=(e);++i) #define FORD(i,b,e) for(int i=(b)-1;i>=(e);--i) #define REP(x, n) for(int x = 0; x < (n); ++x) #define ALL(u) (u).begin(),(u).end() #define ST first #define ND second #define PB push_back #define MP make_pair #define LL long long #define ULL unsigned LL #define LD long double typedef pair<int, int> PII; const double pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342; int n, m; bool ok(const PII &p, const PII &mv) { return p.first + mv.first < n && p.second + mv.second < m; } set<PII> taken; vector<PII> V, path, moves = { MP(1,0), MP(0,1) }; void getPath(const PII &p) { V.push_back(p); if (p == MP(n - 1, m - 1)) path = V; int dir = rand() % 2, b, e, step; if (dir) b = 0, e = 2, step = 1; else b = 1, e = -1, step = -1; while (b != e) { if (ok(p, moves[b])) { auto nxt = MP(p.first + moves[b].first, p.second + moves[b].second); if (taken.find(nxt) == taken.end()) getPath(nxt); } b += step; } V.pop_back(); } int main() { int k; scanf("%d%d%d", &n, &m, &k); int x = 0; getPath(MP(0, 0)); REP(i, k) { int r, c, z; scanf("%d%d%d", &r, &c, &z); int rw = (r^x) % n, col = (c^x) % m; // zobacz czy jest na sciezce auto p = MP(rw, col); int pos = lower_bound(path.begin(), path.end(), p) - path.begin(); if (pos < path.size() && path[pos] == p) { // jest problem taken.insert(p); auto tmp = path; path.clear(); getPath(MP(0, 0)); if (path.empty()) { // nie mozna budowac path = tmp; taken.erase(p); x ^= z; printf("TAK\n"); } else { // wszystko gra printf("NIE\n"); } } else { // nie ma taken.insert(p); printf("NIE\n"); } } return 0; } // FOR GNU C++ use the following pattern: // Uncomment the code below and change your main into main2 // It does not build in MS C++ // But it does increase the stack size from 256 MB on CF and uses GNU C++ //#include <Processthreadsapi.h> //#include <iostream> //#include <Synchapi.h> //#include <windows.h> //#include <process.h> // //DWORD WINAPI MyThreadFunction(LPVOID lpParam) { // main2(nullptr); // return 0; //} //int main() { // auto h = CreateThread(nullptr, 1024 << 20, MyThreadFunction, nullptr, STACK_SIZE_PARAM_IS_A_RESERVATION, nullptr); // WaitForSingleObject(h, INFINITE); //}
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 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | #include <cstdio> #include <cstdlib> #include <iostream> #include <fstream> #include <sstream> #include <set> #include <map> #include <vector> #include <list> #include <algorithm> #include <cstring> #include <cmath> #include <string> #include <queue> #include <bitset> //UWAGA - w czasie kompilacji musi byc znany rozmiar wektora - nie mozna go zmienic #include <cassert> #include <iomanip> //do setprecision #include <ctime> #include <complex> #include <chrono> #include<unordered_map> using namespace std; #define FOR(i,b,e) for(int i=(b);i<(e);++i) #define FORQ(i,b,e) for(int i=(b);i<=(e);++i) #define FORD(i,b,e) for(int i=(b)-1;i>=(e);--i) #define REP(x, n) for(int x = 0; x < (n); ++x) #define ALL(u) (u).begin(),(u).end() #define ST first #define ND second #define PB push_back #define MP make_pair #define LL long long #define ULL unsigned LL #define LD long double typedef pair<int, int> PII; const double pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342; int n, m; bool ok(const PII &p, const PII &mv) { return p.first + mv.first < n && p.second + mv.second < m; } set<PII> taken; vector<PII> V, path, moves = { MP(1,0), MP(0,1) }; void getPath(const PII &p) { V.push_back(p); if (p == MP(n - 1, m - 1)) path = V; int dir = rand() % 2, b, e, step; if (dir) b = 0, e = 2, step = 1; else b = 1, e = -1, step = -1; while (b != e) { if (ok(p, moves[b])) { auto nxt = MP(p.first + moves[b].first, p.second + moves[b].second); if (taken.find(nxt) == taken.end()) getPath(nxt); } b += step; } V.pop_back(); } int main() { int k; scanf("%d%d%d", &n, &m, &k); int x = 0; getPath(MP(0, 0)); REP(i, k) { int r, c, z; scanf("%d%d%d", &r, &c, &z); int rw = (r^x) % n, col = (c^x) % m; // zobacz czy jest na sciezce auto p = MP(rw, col); int pos = lower_bound(path.begin(), path.end(), p) - path.begin(); if (pos < path.size() && path[pos] == p) { // jest problem taken.insert(p); auto tmp = path; path.clear(); getPath(MP(0, 0)); if (path.empty()) { // nie mozna budowac path = tmp; taken.erase(p); x ^= z; printf("TAK\n"); } else { // wszystko gra printf("NIE\n"); } } else { // nie ma taken.insert(p); printf("NIE\n"); } } return 0; } // FOR GNU C++ use the following pattern: // Uncomment the code below and change your main into main2 // It does not build in MS C++ // But it does increase the stack size from 256 MB on CF and uses GNU C++ //#include <Processthreadsapi.h> //#include <iostream> //#include <Synchapi.h> //#include <windows.h> //#include <process.h> // //DWORD WINAPI MyThreadFunction(LPVOID lpParam) { // main2(nullptr); // return 0; //} //int main() { // auto h = CreateThread(nullptr, 1024 << 20, MyThreadFunction, nullptr, STACK_SIZE_PARAM_IS_A_RESERVATION, nullptr); // WaitForSingleObject(h, INFINITE); //} |