h2331GiftCertificateDistribute
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Gift Certificate Distribution *** Problem - N groups, for each: several departments are organized into a single tree. - A department has an ID and the number of people it belongs to, and has a maximum of 3 sub-departments. - We are going to distribute gift certificates to N groups according to the number of people. The total number of gift certificates is K *** Distrubute rules 1. If the total number of people is K or less, gift certificates will be distributed according to the number of people in each group. 2. If the total number of people is greater than K, the upper limit of the number L is determined. If the number of people in the groupis less than L, gift certificates will be given according to the number of people in the group, and if the number of people in the group exceeds L, L gift certificates will be given. *** API 1. int add(int mId, int mNum, int mParent) Add the mId department as a subdivision of the mParent department. The number of people in the mId department is mNum. The mParent value is given only the ID of the department that is always present. If there are already 3 sub-departments in the mParent department, the addition fails and returns -1. The mId value does not give the ID of a department that already exists. ///Parameters mId: Department ID ( 1 ≤ mId ≤ 1,000,000,000 ) mNum: Department personnel Number ( 1 ≤ mNum ≤ 100 ) mParent: Parent Department ID ( 1 ≤ mParent ≤ 1,000,000,000 ) ///Returns If the addition is successful, the sum of the headcount of all departments under it, including the mParent department, will be returned. In other words, the number of people in a subtree where mParent is the root node. Return the sum. If the addition fails, -1 is returned 2. int remove(int mId) Delete the department with the ID mId. All departments under the mId department will also be deleted. If the ID of the top-level department is It is not given. The ID of the department that has already been deleted is It may be given. If the mId department does not exist, it returns -1. ///Parameters mId: Department ID ( 1 ≤ mId ≤ 1,000,000,000 ) ///Returns mId department exists In this case, the sum of the number of personnel of all departments under it, including the mId department, shall be returned. In other words, the sum of the people in the subtree whose mId is the root node is Return. The mId department does not exist Otherwise, -1 is returned. 3. int distribute(int K) Divide as many as possible into N groups according to the distribution rules. When given, the largest value of the number of vouchers distributed to each group is returned. ///Parameters K: Number of Gift Certificates ( N ≤ K ≤ 800,000 ) ///Returns Allocated to each group Returns the largest value of the number of gift certificates *** testcase 25 100 12 1 3 7 25 4 5 2 40 2 3 5 4 10 2 9 5 7 30 2 1 15 4 25 2 8 10 1 25 4 100 35 2 6 20 4 55 4 109 39 2 5 20 9 25 4 131 45 3 1 25 4 110 40 30 1 3 6932607 76 9283574 79 3799193 94 2 639546083 72 9283574 151 2 7490781 42 3799193 136 2 6568711 8 3799193 144 2 572001 54 7490781 96 2 3518315 8 7490781 104 2 2144677 10 3799193 216 2 2988431 28 9283574 179 2 5269673 6 3518315 14 4 463 208 2 2948033 98 6568711 106 2 973693771 88 2144677 98 4 551 296 2 5289891 12 5269673 18 2 6859805 6 5269673 24 2 4425671 76 973693771 164 2 339118881 86 5269673 110 2 6955307 44 5289891 56 3 973693771 164 4 666 411 2 231882 47 6859805 53 4 647 392 2 9653352 5 572001 59 2 9669600 9 6568711 115 3 5289891 56 2 106931781 50 5269673 195 2 9415005 2 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125 2 9024183 96 9143112 105 2 5732751 24 5653529 122 2 432501673 98 2443821 156 2 3458291 44 336384898 94 2 1087085 2 1165336 3 2 9335063 72 9310557 114 2 9714543 24 1016828 600 2 4778121 38 9739834 183 2 8544723 8 9143112 113 2 6719181 14 3359054 113 2 8963173 82 1404724 83 2 3533647 92 2002056 145 2 2335923 24 4576683 104 2 9068057 98 9573148 183 2 530863 12 9714543 36 2 192207561 62 8544723 70 2 8050529 14 7625339 106 2 6968043 52 391245681 146 2 9565861 14 8544723 84 2 7688381 66 8852446 121 2 4063591 96 530863 108 2 116514625 2 6968043 54 2 4785867 20 8003819 252 2 9794595 56 998468 133 3 2979041 198 4 4146 394 2 8314274 35 2335923 59 2 6193956 1 6719181 15 3 6193956 1 2 163641 2 9565861 16 3 9143112 191 2 2951152 97 336384898 191 4 4183 476 2 2971240 69 8003819 321 2 2070368 49 3134335 255 2 1241458 87 7688381 153 2 2869620 77 3533647 169 3 4610598 -1 2 7824073 78 137344307 90 2 5319519 76 9310557 190 2 92358009 86 2379911 613 2 9097027 88 9794595 144 2 790589 70 9097027 158 2 7084245 66 793216 127 2 9870143 24 7824073 102 2 640345 34 5478978 77 2 7588003 48 5469410 87 2 4993821 6 432501673 104 2 5684021 2 92358009 88 2 8339103 100 432501673 204 2 9335609 34 530863 142 2 4521041 14 4993821 20 2 7006427 92 5732751 116 2 143795 32 9714543 198 2 4700461 6 5732751 122 2 7951575 24 461517 74 2 352817 50 4063591 146 2 4763323 88 530863 280 2 2694291 24 1241458 111 2 2277687 48 461517 122 2 5378705 98 7862282 181 2 9649435 100 7006427 192 3 9510515 36 2 7514180 73 9794595 287 2 3336118 87 9870143 111 2 3259800 33 3533647 202 2 6862736 1 8507291 89 2 9491874 55 9714543 391 2 342820 77 1087085 79 2 4926742 51 1414222 114 2 9787896 49 3458291 93 2 4705226 55 4778121 93 2 2604172 53 7688381 230 2 6450308 45 9794595 332 2 3705974 7 6450308 52 3 4014229 50 2 6599473 78 5319519 154 2 378567995 52 3458291 145 2 879733 34 9870143 145 2 8456543 96 7514180 169 2 591667833 22 8339103 122 2 7637915 36 3705974 43 2 5863253 54 2971240 123 2 847045183 44 432501673 284 2 8792921 14 7084245 80 2 7106161 94 4785867 114 2 819835 32 591667833 54 3 8792921 14 2 4329818 3 5084515 208 2 8925596 17 9335609 51 2 1637838 95 7688381 325 2 194994032 53 2951152 150 2 4037378 95 4521041 109 3 8050529 14 2 909951 76 8963173 158 2 703365529 66 3705974 109 3 1087085 79 2 7055274 71 4778121 164 2 504696172 9 4521041 118 2 6368286 23 4700461 29 2 3171776 81 4330828 613 3 7951575 24 3 4705226 55 2 1769044 65 4778121 174 2 3557830 99 1637838 194 2 1337982 95 9590305 121 3 194994032 53 2 8010775 36 143795 68 2 486276721 26 1241458 137 2 2354683 32 1016828 1747 2 9207605 42 137344307 277 2 5274573 42 7106161 136 2 4576997 22 8314274 57 2 186959 68 1769044 133 3 5863253 54 2 4397758 95 9491874 150 2 8085088 89 1637838 283 3 9794595 537 2 9590755 100 92358009 188 2 6380381 46 9335609 97 2 2376327 100 6368286 123 2 7307871 44 4926742 95 2 2815737 34 6368286 157 2 3004867 64 4785867 220 2 1135805 6 5378705 104 2 6260199 64 4576997 86 2 2287553 10 486276721 36 3 9207605 42 2 672690 91 8010775 127 2 1815274 55 186959 123 2 3478444 69 847045183 113 2 4543070 39 3336118 126 2 7988992 85 8339103 239 3 186959 123 2 507621 22 7625339 114 2 257615 32 879733 66 3 6599473 78 2 3763390 27 6862736 28 3 8339103 239 3 2694291 24 2 8623448 5 2443821 398 2 681770 95 640345 129 2 2647148 45 2775487 93 2 8123934 7 2647148 52 2 7834816 57 4397758 152 2 9826770 95 9124085 272 2 5737098 79 6862736 107 2 41932 77 257615 109 4 6878 743 2 8420986 3 4763323 91 3 4592946 -1 2 152599 28 5469410 115 2 6439025 90 3478444 159 2 9136507 24 879733 167 3 2376327 100 2 8714660 37 4329818 40 2 2597398 75 8085088 164 2 1916920 73 41932 150 2 1880138 27 378567995 79 2 5578508 25 9491874 232 2 5777086 43 5274573 85 2 789856 89 3478444 248 2 6223730 27 3171776 108 2 7153780 49 6380381 95 2 3614694 3 672690 94 2 4008790 47 1916920 120 3 7834816 57 2 8657219 36 4763323 127 2 8111293 10 1880138 37 2 4791271 12 7779747 230 2 2606145 78 7307871 122 2 5457625 10 1337982 105 2 620579 8 6730084 615 2 559901 34 7307871 156 2 56065619 48 1637838 406 2 654577229 90 5469410 205 2 5955831 12 3259800 45 3 681770 95 2 7909360 69 3171776 177 2 5657602 43 1337982 148 2 685572 37 6380381 132 2 6918902 23 6223730 50 2 5174232 53 352817 103 2 8860586 7 3259800 52 2 700908 29 879733 316 2 448481950 11 2647148 63 2 9217600 1 1916920 121 2 229634616 5 8010775 135 2 1375754 47 1916920 168 2 798970188 29 6380381 161 2 4742980 85 789856 174 2 270902 83 9217600 84 2 483383320 49 3171776 249 2 8537322 19 7055274 90 2 6865964 17 1769044 82 2 9771870 63 41932 391 2 8446208 81 6862736 188 2 6544274 3 3336118 129 2 6689940 69 3004867 133 2 5749004 81 8111293 91 3 6862736 188 2 2045569 90 4791271 102 2 5029131 100 2951152 197 2 7818565 22 8010775 157 2 1576495 8 1337982 156 2 8758985 30 1135805 36 2 7953939 40 483383320 89 2 306108557 10 507621 32 3 5578508 25 2 173966 55 1880138 173 2 3461680 25 5955831 37 2 9331906 43 229634616 48 3 879733 510 2 839964991 96 3557830 195 2 4582489 14 1769044 96 2 4926705 86 7779747 518 2 2619899 32 8758985 62 2 7191713 30 672690 124 2 5901611 80 9310557 270 2 619915237 70 4926742 277 2 8824061 6 2070368 55 2 5677351 8 8758985 70 2 4519809 54 8860586 61 2 627353 2 6865964 19 2 5886691 8 4778121 234 2 7075293 94 789856 268 2 7485941 26 620579 34 2 4469727 68 7818565 90 2 3951653 22 3461680 47 2 4816829 50 6368286 107 2 8588391 28 1165336 29 2 197057 26 152599 54 2 6175383 56 6223730 106 2 2620657 14 8420986 17 2 4895483 92 7485941 118 2 8244051 28 197057 54 2 1560781 66 5174232 119 2 375535863 12 56065619 60 2 2038609 14 2309126 17 2 5338345 22 7191713 52 2 962010163 8 3461680 55 2 7122989 82 4962911 122 2 418903 24 7485941 142 2 2817201 74 5338345 96 2 2295739 4 6865964 23 2 118753 90 7824073 321 2 2998777 46 1769044 148 2 2167313 30 7075293 124 2 9306651 68 5955831 135 2 9011285 22 8435414 335 2 8295871 8 152599 90 2 7160537 98 8657219 134 2 1755505 6 8925596 23 2 4978939 48 8714660 85 2 1270965 58 685572 95 4 11143 2955 2 8768299 20 9491874 170 2 2058085 70 2647148 133 2 1359439 24 559901 58 2 6530281 14 685572 109 2 9178753 94 3614694 97 2 7561227 36 7191713 162 2 9648709 30 4298653 112 4 10480 2168 2 9132253 58 6223730 164 2 7976199 32 685572 141 4 9848 1478 2 2351455 68 4926705 154 2 4986105 18 9335609 340 2 2933009 90 8111293 181 2 7007515 96 3951653 118 3 8768299 20 2 7184196 97 2443821 883 2 5981750 11 2998777 57 2 3529140 21 448481950 32 2 6021158 71 6439025 161 2 192264 5 7953939 45 2 909452800 5 8657219 139 2 2934862 71 1404724 230 2 401344780 81 9306651 149 2 9387710 75 7055274 165 3 4926705 154 2 8905739 92 2076186 123 2 959384773 10 7976199 42 2 6332381 38 6689940 107 3 685572 151 2 6750622 47 2934862 118 2 7561280 49 3529140 70 2 4385720 17 962010163 25 2 8486576 49 1560781 115 3 8792921 -1 2 7112661 38 5274573 123 2 4568895 40 4385720 57 2 8498137 6 627353 8 3 1880138 263 2 3333226 3 7485941 145 2 5847468 45 9331906 88 2 3861156 5 2058085 75 2 1661206 99 654577229 189 2 4097614 47 8537322 66 2 2892400 5 306108557 15 2 576607618 83 559901 141 4 10634 1675 2 9485370 39 2045569 129 4 11175 2177 2 3897304 57 7006427 249 2 8741930 3 8295871 11 2 8673388 61 620579 214 2 4233886 35 448481950 116 2 9199040 81 3529140 151 2 2730936 69 1576495 77 2 406410 3 7184196 100 2 9465036 37 1135805 113 2 9605152 53 401344780 134 2 8745880 57 9573148 240 2 151531754 15 7075293 139 2 1280044 37 2620657 51 2 2473054 83 9465036 120 2 597888 21 118753 111 3 6439025 161 2 7719171 48 4962911 170 2 4626173 90 2620657 141 4 12889 3286 2 2643221 10 839964991 106 3 4926705 -1 2 2969974 95 2038609 109 2 5802584 49 9648709 79 2 2490538 63 6260199 127 2 4067938 7 909452800 12 2 2131812 21 8537322 87 2 7218262 51 9387710 126 3 229634616 93 2 2559683 100 8244051 128 2 3612477 34 576607618 117 2 51848295 12 5457625 22 2 1995073 6 5457625 28 2 6418009 30 7191713 192 2 9073571 12 6689940 119 2 987610141 90 2473054 173 3 9387710 126 2 3218270 67 7184196 167 3 9306651 202 2 8304683 80 8905739 172 2 477819109 46 7184196 213 2 763422287 28 4763323 406 3 7834816 -1 2 162280 81 6544274 84 2 4746426 59 7160537 157 2 748191612 61 6750622 108 2 8193706 3 597888 24 2 5300076 29 378567995 81 2 7097758 59 7561280 108 2 3040832 85 7153780 134 2 8843090 27 4233886 62 *** Solution import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; class Solution { private final static int CMD_INIT = 1; private final static int CMD_ADD = 2; private final static int CMD_REMOVE = 3; private final static int CMD_DISTRIBUTE = 4; private final static UserSolution usersolution = new UserSolution(); private static boolean run(BufferedReader br) throws Exception { int q = Integer.parseInt(br.readLine()); int[] midArr = new int[1000]; int[] mnumArr = new int[1000]; int mid, mnum, mparent, n, k; int cmd, ans, ret = 0; boolean okay = false; for (int i = 0; i < q; ++i) { StringTokenizer st = new StringTokenizer(br.readLine(), " "); cmd = Integer.parseInt(st.nextToken()); switch (cmd) { case CMD_INIT: n = Integer.parseInt(st.nextToken()); for (int j = 0; j < n; ++j) { StringTokenizer dep = new StringTokenizer(br.readLine(), " "); midArr[j] = Integer.parseInt(dep.nextToken()); mnumArr[j] = Integer.parseInt(dep.nextToken()); } usersolution.init(n, midArr, mnumArr); okay = true; break; case CMD_ADD: mid = Integer.parseInt(st.nextToken()); mnum = Integer.parseInt(st.nextToken()); mparent = Integer.parseInt(st.nextToken()); ans = Integer.parseInt(st.nextToken()); ret = usersolution.add(mid, mnum, mparent); if (ret != ans) okay = false; break; case CMD_REMOVE: mid = Integer.parseInt(st.nextToken()); ans = Integer.parseInt(st.nextToken()); ret = usersolution.remove(mid); if (ret != ans) okay = false; break; case CMD_DISTRIBUTE: k = Integer.parseInt(st.nextToken()); ans = Integer.parseInt(st.nextToken()); ret = usersolution.distribute(k); if (ret != ans) okay = false; break; default: okay = false; break; } } return okay; } public static void main(String[] args) throws Exception { int TC, MARK; System.setIn(new java.io.FileInputStream("sample_input.txt")); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine(), " "); TC = Integer.parseInt(st.nextToken()); MARK = Integer.parseInt(st.nextToken()); for (int testcase = 1; testcase <= TC; ++testcase) { int score = run(br) ? MARK : 0; System.out.println("#" + testcase + " " + score); } br.close(); } } *** UserSolution import java.util.*; class Node { int id, num, child; Node parent; boolean deleted; Node (int id, int num){ this.id = id; this.num = num; } } class UserSolution { int N; Map<Integer, Node> mapNode; int IDs[]; public void init(int N, int mId[], int mNum[]) { mapNode = new HashMap<>(); this.N = N; IDs = new int[N]; mapNode.clear(); for (int i = 0; i < N; i++){ IDs[i] = mId[i]; Node n = new Node(mId[i], mNum[i]); mapNode.put(mId[i], n); } } public int add(int mId, int mNum, int mParent) { Node n = new Node(mId, mNum); Node parent = mapNode.get(mParent); if (parent.child >= 3) return -1; mapNode.put(mId, n); n.parent = parent; int res = -1; while(n.parent != null){ n = n.parent; n.num += mNum; if (res == -1){ res = n.num; n.child++; } } return res; } public int remove(int mId) { Node n = mapNode.get(mId); if (n == null || n.deleted) return -1; n.deleted = true; Node parent = n.parent; parent.child--; while(parent != null){ if (parent.deleted) return -1; parent.num -= n.num; parent = parent.parent; } return n.num; } public int distribute(int K) { int left = 0; int right = 0; for (int i = 0; i < N; i++){ Node n = mapNode.get(IDs[i]); if (n.deleted) continue; if (right < n.num) right = n.num; } int L = 0; while (left <= right){ int mid = (left + right)/2; int sum = 0; for (int i = 0; i < N; i++){ Node n = mapNode.get(IDs[i]); if (n.deleted) continue; sum += Math.min(mid, n.num); if (sum > K) break; } if (sum <= K) { L = mid; left = mid + 1; }else right = mid - 1; } return L; } }