#include <iostream> #include <stdio.h> #include <algorithm> #include <functional> #include <unordered_map> #include <map> static const int MAX_TOTAL_CNT = (int) 3e5; static const int MAX_AGGREGATE_CNT = 777; struct Aggregate { int iSingleGroupSize; // number of stamps in a group int iGroupCnt; // number of such groups (cities) }; static int iTotalCnt, iGoodCounts, iAggregates; static std::unordered_map<int, int> mCountsForCities; // key: city ID; value: number of stamps from this city static Aggregate aAggregates[MAX_AGGREGATE_CNT]; static int aGoodCounts[MAX_TOTAL_CNT / 2]; // 0 based index static int aAnswers[MAX_TOTAL_CNT + 2] = { }; // 1 based index static void ReadData() { int k; std::cin >> iTotalCnt; for (int i = 0; i < iTotalCnt; ++i) { std::cin >> k; mCountsForCities[k]++; } } static void WriteAnswer() { std::cout << iTotalCnt; for (int i = 2; i <= iTotalCnt; ++i) { std::cout << " "; std::cout << aAnswers[i]; } } static void GatherGoodCounts() { int * pDst = aGoodCounts; iGoodCounts = 0; for (auto pSrc = mCountsForCities.begin(); pSrc != mCountsForCities.end(); ++pSrc) { int iCnt = pSrc->second; if (iCnt > 1) { *pDst++ = iCnt; iGoodCounts++; } } } static void AggregateGoodCounts() { std::map<int, int, std::greater<int>> mAggregates; // key: number of stamps in a group; value: number of such groups (cities) for (int i = 0; i < iGoodCounts; ++i) { int iGroupSize = aGoodCounts[i]; mAggregates[iGroupSize]++; } iAggregates = 0; for (auto pSrc = mAggregates.begin(); pSrc != mAggregates.end(); ++pSrc) { Aggregate & ag = aAggregates[iAggregates++]; ag.iSingleGroupSize = pSrc->first; ag.iGroupCnt = pSrc->second; } } static void Init() { GatherGoodCounts(); AggregateGoodCounts(); } static int GetCountForPersons(int iPersons) { int iCnt = 0; for (int i = 0; i < iAggregates; ++i) { Aggregate & ag = aAggregates[i]; if (ag.iSingleGroupSize < iPersons) break; int k = ag.iSingleGroupSize - (ag.iSingleGroupSize % iPersons); k *= ag.iGroupCnt; iCnt += k; } return iCnt; } static void Solve() { if (iAggregates == 0) return; int iMaxPersons = aAggregates[0].iSingleGroupSize; for (int iPersons = iMaxPersons; iPersons >= 2; --iPersons) { aAnswers[iPersons] = GetCountForPersons(iPersons); } } static void OneCase() { ReadData(); Init(); Solve(); WriteAnswer(); } int main() { OneCase(); }
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | #include <iostream> #include <stdio.h> #include <algorithm> #include <functional> #include <unordered_map> #include <map> static const int MAX_TOTAL_CNT = (int) 3e5; static const int MAX_AGGREGATE_CNT = 777; struct Aggregate { int iSingleGroupSize; // number of stamps in a group int iGroupCnt; // number of such groups (cities) }; static int iTotalCnt, iGoodCounts, iAggregates; static std::unordered_map<int, int> mCountsForCities; // key: city ID; value: number of stamps from this city static Aggregate aAggregates[MAX_AGGREGATE_CNT]; static int aGoodCounts[MAX_TOTAL_CNT / 2]; // 0 based index static int aAnswers[MAX_TOTAL_CNT + 2] = { }; // 1 based index static void ReadData() { int k; std::cin >> iTotalCnt; for (int i = 0; i < iTotalCnt; ++i) { std::cin >> k; mCountsForCities[k]++; } } static void WriteAnswer() { std::cout << iTotalCnt; for (int i = 2; i <= iTotalCnt; ++i) { std::cout << " "; std::cout << aAnswers[i]; } } static void GatherGoodCounts() { int * pDst = aGoodCounts; iGoodCounts = 0; for (auto pSrc = mCountsForCities.begin(); pSrc != mCountsForCities.end(); ++pSrc) { int iCnt = pSrc->second; if (iCnt > 1) { *pDst++ = iCnt; iGoodCounts++; } } } static void AggregateGoodCounts() { std::map<int, int, std::greater<int>> mAggregates; // key: number of stamps in a group; value: number of such groups (cities) for (int i = 0; i < iGoodCounts; ++i) { int iGroupSize = aGoodCounts[i]; mAggregates[iGroupSize]++; } iAggregates = 0; for (auto pSrc = mAggregates.begin(); pSrc != mAggregates.end(); ++pSrc) { Aggregate & ag = aAggregates[iAggregates++]; ag.iSingleGroupSize = pSrc->first; ag.iGroupCnt = pSrc->second; } } static void Init() { GatherGoodCounts(); AggregateGoodCounts(); } static int GetCountForPersons(int iPersons) { int iCnt = 0; for (int i = 0; i < iAggregates; ++i) { Aggregate & ag = aAggregates[i]; if (ag.iSingleGroupSize < iPersons) break; int k = ag.iSingleGroupSize - (ag.iSingleGroupSize % iPersons); k *= ag.iGroupCnt; iCnt += k; } return iCnt; } static void Solve() { if (iAggregates == 0) return; int iMaxPersons = aAggregates[0].iSingleGroupSize; for (int iPersons = iMaxPersons; iPersons >= 2; --iPersons) { aAnswers[iPersons] = GetCountForPersons(iPersons); } } static void OneCase() { ReadData(); Init(); Solve(); WriteAnswer(); } int main() { OneCase(); } |