結果
問題 | No.738 平らな農地 |
ユーザー | ikd |
提出日時 | 2019-04-18 13:05:18 |
言語 | C (gcc 12.3.0) |
結果 |
AC
|
実行時間 | 250 ms / 2,000 ms |
コード長 | 3,323 bytes |
コンパイル時間 | 272 ms |
コンパイル使用メモリ | 32,640 KB |
実行使用メモリ | 7,296 KB |
最終ジャッジ日時 | 2024-09-22 09:10:12 |
合計ジャッジ時間 | 12,367 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 4 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,944 KB |
testcase_07 | AC | 5 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 3 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 4 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 228 ms
6,940 KB |
testcase_16 | AC | 229 ms
6,944 KB |
testcase_17 | AC | 234 ms
6,944 KB |
testcase_18 | AC | 228 ms
6,940 KB |
testcase_19 | AC | 165 ms
7,168 KB |
testcase_20 | AC | 235 ms
6,944 KB |
testcase_21 | AC | 250 ms
7,168 KB |
testcase_22 | AC | 234 ms
6,944 KB |
testcase_23 | AC | 232 ms
7,040 KB |
testcase_24 | AC | 209 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 3 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 3 ms
6,940 KB |
testcase_32 | AC | 2 ms
6,940 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 2 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 2 ms
6,940 KB |
testcase_39 | AC | 2 ms
6,944 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,944 KB |
testcase_44 | AC | 2 ms
6,940 KB |
testcase_45 | AC | 237 ms
7,296 KB |
testcase_46 | AC | 223 ms
6,940 KB |
testcase_47 | AC | 233 ms
7,040 KB |
testcase_48 | AC | 211 ms
6,940 KB |
testcase_49 | AC | 207 ms
6,940 KB |
testcase_50 | AC | 218 ms
7,040 KB |
testcase_51 | AC | 240 ms
7,168 KB |
testcase_52 | AC | 223 ms
6,944 KB |
testcase_53 | AC | 227 ms
7,040 KB |
testcase_54 | AC | 245 ms
7,040 KB |
testcase_55 | AC | 244 ms
7,168 KB |
testcase_56 | AC | 240 ms
7,040 KB |
testcase_57 | AC | 220 ms
6,944 KB |
testcase_58 | AC | 230 ms
7,040 KB |
testcase_59 | AC | 230 ms
7,296 KB |
testcase_60 | AC | 221 ms
7,296 KB |
testcase_61 | AC | 224 ms
7,168 KB |
testcase_62 | AC | 213 ms
6,940 KB |
testcase_63 | AC | 250 ms
7,296 KB |
testcase_64 | AC | 234 ms
7,168 KB |
testcase_65 | AC | 24 ms
6,944 KB |
testcase_66 | AC | 24 ms
7,040 KB |
testcase_67 | AC | 88 ms
6,940 KB |
testcase_68 | AC | 90 ms
6,944 KB |
testcase_69 | AC | 106 ms
6,944 KB |
testcase_70 | AC | 100 ms
7,296 KB |
testcase_71 | AC | 77 ms
7,168 KB |
testcase_72 | AC | 90 ms
6,944 KB |
testcase_73 | AC | 84 ms
6,940 KB |
testcase_74 | AC | 79 ms
7,040 KB |
testcase_75 | AC | 112 ms
6,940 KB |
testcase_76 | AC | 117 ms
7,040 KB |
testcase_77 | AC | 94 ms
6,944 KB |
testcase_78 | AC | 102 ms
7,168 KB |
testcase_79 | AC | 165 ms
7,296 KB |
testcase_80 | AC | 164 ms
7,040 KB |
testcase_81 | AC | 152 ms
6,944 KB |
testcase_82 | AC | 142 ms
7,040 KB |
testcase_83 | AC | 96 ms
7,296 KB |
testcase_84 | AC | 174 ms
7,168 KB |
testcase_85 | AC | 33 ms
7,296 KB |
testcase_86 | AC | 35 ms
6,944 KB |
testcase_87 | AC | 128 ms
7,040 KB |
testcase_88 | AC | 123 ms
6,944 KB |
testcase_89 | AC | 1 ms
6,944 KB |
testcase_90 | AC | 1 ms
6,944 KB |
testcase_91 | AC | 1 ms
6,940 KB |
ソースコード
#include <stdio.h> #include <stdlib.h> unsigned int rand_int(void) { static unsigned int x = 123456789, y = 362436069, z = 521288629, w = 88675123; unsigned int t; t = (x ^ (x << 11)); x = y; y = z; z = w; return (w = (w ^ (w >> 19)) ^ (t ^ (t >> 8))); } typedef long long i64; typedef struct Node { i64 val; i64 sum; int size; struct Node *left; struct Node *right; } Node; Node *create_node(i64 val) { Node *ret = (Node *)malloc(sizeof(Node)); ret->val = val; ret->sum = val; ret->size = 1; ret->left = ret->right = NULL; return ret; } typedef struct Pair { Node *left, *right; } Pair; Pair make_pair(Node *left, Node *right) { Pair pair = {left, right}; return pair; } int size(Node *node) { return node == NULL ? 0 : node->size; } i64 sum(Node *node) { return node == NULL ? 0 : node->sum; } Node *update(Node *node) { node->size = 1 + size(node->left) + size(node->right); node->sum = node->val + sum(node->left) + sum(node->right); return node; } Node *merge(Node *left, Node *right) { if (left == NULL) { return right; } else if (right == NULL) { return left; } if (rand_int() % (size(left) + size(right)) < (unsigned int)size(left)) { left->right = merge(left->right, right); return update(left); } else { right->left = merge(left, right->left); return update(right); } } Pair split(Node *root, int k) { if (root == NULL) return make_pair(root, root); if (k <= size(root->left)) { Pair nodes = split(root->left, k); root->left = nodes.right; return make_pair(nodes.left, update(root)); } else { Pair nodes = split(root->right, k - size(root->left) - 1); root->right = nodes.left; return make_pair(update(root), nodes.right); } } int count_less(Node *root, i64 x) { if (root == NULL) return 0; if (root->val < x) { return count_less(root->right, x) + size(root->left) + 1; } else { return count_less(root->left, x); } } Node *insert(Node *root, i64 x) { Pair nodes = split(root, count_less(root, x)); return merge(merge(nodes.left, create_node(x)), nodes.right); } Node *erase(Node *root, i64 x) { Pair nodes = split(root, count_less(root, x)); if (nodes.right != NULL) { return merge(nodes.left, split(nodes.right, 1).right); } else { return merge(nodes.left, nodes.right); } } Node *get_kth(Node *root, int k) { if (root == NULL || size(root) < k) return NULL; int left_size = size(root->left); if (left_size + 1 == k) { return root; } else if (left_size >= k) { return get_kth(root->left, k); } else { return get_kth(root->right, k - left_size - 1); } } int main(void) { Node *root = NULL; int n, k; scanf("%d %d", &n, &k); i64 *a = (i64 *)malloc(n * sizeof(i64)); i64 ans = 1000000000000000000; for (int i = 0; i < n; i++) { scanf("%lld", &a[i]); root = insert(root, a[i]); if (i >= k) root = erase(root, a[i - k]); if (i + 1 >= k) { Node *node = get_kth(root, (k + 1) / 2); Pair pair = split(root, (k + 1) / 2); i64 cost = 0; cost += node->val * size(pair.left) - sum(pair.left); cost += sum(pair.right) - node->val * size(pair.right); if (cost < ans) ans = cost; root = merge(pair.left, pair.right); } } printf("%lld\n", ans); return 0; }