#include <iostream> #include <cstdint> #include <vector> using namespace std; typedef uint64_t lli; struct Order { lli iBitMaskA, iBitMaskB; }; static int iSoldiersCnt, iOrdersCnt; static int aAnswers[40] = {}; static vector<Order> vOrders; static inline lli GetBitMask(int iBit) { return ((lli) 1) << iBit; } static void ReadData() { int x, y; cin >> iSoldiersCnt >> iOrdersCnt; for (int i = 0; i < iOrdersCnt; ++i) { Order ord; cin >> x >> y; ord.iBitMaskA = GetBitMask(x - 1); ord.iBitMaskB = GetBitMask(y - 1); vOrders.push_back(ord); } } static inline bool IsConnected(lli iMask) { while ((iMask & 3) == 0) { iMask >>= 2; } if ((iMask & 1) == 0) { iMask >>= 1; } return (iMask & (iMask + 1)) == 0; } static inline bool CanCountThisPosition(lli iMask) { for (const Order & ord : vOrders) { if ((iMask & ord.iBitMaskA) != 0 && (iMask & ord.iBitMaskB) == 0) { iMask -= ord.iBitMaskA; iMask += ord.iBitMaskB; } } return IsConnected(iMask); } static inline int GetBitCount(lli iMask) { int iCnt = 0; while (iMask != 0) { iMask &= (iMask - 1); iCnt++; } return iCnt; } static void EtTuBruteForceContraMe() { int iMaxMask = ((lli) 1) << iSoldiersCnt; for (lli iMask = 1; iMask < iMaxMask; ++iMask) { if (CanCountThisPosition(iMask)) { int iBitCnt = GetBitCount(iMask); aAnswers[iBitCnt]++; } } } static void Solve() { EtTuBruteForceContraMe(); } static void PrintOut() { for (int iReadyCnt = 1; iReadyCnt <= iSoldiersCnt; ++iReadyCnt) { if (iReadyCnt != 1) { cout << " "; } cout << (aAnswers[iReadyCnt] & 1); } } int main() { ReadData(); Solve(); PrintOut(); }
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 | #include <iostream> #include <cstdint> #include <vector> using namespace std; typedef uint64_t lli; struct Order { lli iBitMaskA, iBitMaskB; }; static int iSoldiersCnt, iOrdersCnt; static int aAnswers[40] = {}; static vector<Order> vOrders; static inline lli GetBitMask(int iBit) { return ((lli) 1) << iBit; } static void ReadData() { int x, y; cin >> iSoldiersCnt >> iOrdersCnt; for (int i = 0; i < iOrdersCnt; ++i) { Order ord; cin >> x >> y; ord.iBitMaskA = GetBitMask(x - 1); ord.iBitMaskB = GetBitMask(y - 1); vOrders.push_back(ord); } } static inline bool IsConnected(lli iMask) { while ((iMask & 3) == 0) { iMask >>= 2; } if ((iMask & 1) == 0) { iMask >>= 1; } return (iMask & (iMask + 1)) == 0; } static inline bool CanCountThisPosition(lli iMask) { for (const Order & ord : vOrders) { if ((iMask & ord.iBitMaskA) != 0 && (iMask & ord.iBitMaskB) == 0) { iMask -= ord.iBitMaskA; iMask += ord.iBitMaskB; } } return IsConnected(iMask); } static inline int GetBitCount(lli iMask) { int iCnt = 0; while (iMask != 0) { iMask &= (iMask - 1); iCnt++; } return iCnt; } static void EtTuBruteForceContraMe() { int iMaxMask = ((lli) 1) << iSoldiersCnt; for (lli iMask = 1; iMask < iMaxMask; ++iMask) { if (CanCountThisPosition(iMask)) { int iBitCnt = GetBitCount(iMask); aAnswers[iBitCnt]++; } } } static void Solve() { EtTuBruteForceContraMe(); } static void PrintOut() { for (int iReadyCnt = 1; iReadyCnt <= iSoldiersCnt; ++iReadyCnt) { if (iReadyCnt != 1) { cout << " "; } cout << (aAnswers[iReadyCnt] & 1); } } int main() { ReadData(); Solve(); PrintOut(); } |