結果
問題 | No.1816 MUL-DIV Game |
ユーザー | ygussany |
提出日時 | 2022-01-21 21:29:33 |
言語 | C (gcc 12.3.0) |
結果 |
AC
|
実行時間 | 42 ms / 2,000 ms |
コード長 | 3,479 bytes |
コンパイル時間 | 1,387 ms |
コンパイル使用メモリ | 30,592 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-11-25 22:41:41 |
合計ジャッジ時間 | 2,691 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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
6,820 KB |
testcase_01 | AC | 1 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 1 ms
6,820 KB |
testcase_04 | AC | 1 ms
6,816 KB |
testcase_05 | AC | 1 ms
6,824 KB |
testcase_06 | AC | 1 ms
6,816 KB |
testcase_07 | AC | 1 ms
6,820 KB |
testcase_08 | AC | 1 ms
6,816 KB |
testcase_09 | AC | 4 ms
6,820 KB |
testcase_10 | AC | 18 ms
6,816 KB |
testcase_11 | AC | 16 ms
6,816 KB |
testcase_12 | AC | 12 ms
6,820 KB |
testcase_13 | AC | 25 ms
6,816 KB |
testcase_14 | AC | 14 ms
6,816 KB |
testcase_15 | AC | 18 ms
6,820 KB |
testcase_16 | AC | 5 ms
6,816 KB |
testcase_17 | AC | 34 ms
6,820 KB |
testcase_18 | AC | 31 ms
6,816 KB |
testcase_19 | AC | 15 ms
6,820 KB |
testcase_20 | AC | 36 ms
6,820 KB |
testcase_21 | AC | 12 ms
6,816 KB |
testcase_22 | AC | 10 ms
6,816 KB |
testcase_23 | AC | 1 ms
6,816 KB |
testcase_24 | AC | 1 ms
6,816 KB |
testcase_25 | AC | 41 ms
6,820 KB |
testcase_26 | AC | 42 ms
6,816 KB |
testcase_27 | AC | 41 ms
6,820 KB |
testcase_28 | AC | 42 ms
6,820 KB |
testcase_29 | AC | 42 ms
6,816 KB |
ソースコード
#include <stdio.h> typedef struct { long long key; int id; } data; typedef struct { data obj[100001]; int size; } min_max_heap; long long get_min(min_max_heap* h) { return h->obj[0].key; } int get_argmin(min_max_heap* h) { return h->obj[0].id; } long long get_max(min_max_heap* h) { if (h->size == 1) return h->obj[0].key; else return h->obj[1].key; } int get_argmax(min_max_heap* h) { if (h->size == 1) return h->obj[0].id; else return h->obj[1].id; } void push(min_max_heap* h, data x) { int i = (h->size)++; data tmp; if ((i & 1) != 0 && x.key < h->obj[i^1].key) { h->obj[i] = h->obj[i^1]; h->obj[i^1] = x; i ^= 1; } else h->obj[i] = x; int j, k = ((i >> 1) + 1) >> 1; if (k == 0) return; j = (k - 1) << 1; if (h->obj[i].key < h->obj[j].key) { while (k > 0) { if (h->obj[i].key < h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k >>= 1; i = j; j = (k - 1) << 1; } else break; } } else if (h->obj[i].key > h->obj[j^1].key) { j ^= 1; while (k > 0) { if (h->obj[i].key > h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k >>= 1; i = j; j = ((k - 1) << 1) ^ 1; } else break; } } } data pop_min(min_max_heap* h) { int i = 0, j = 2, k = 2; data output = h->obj[0], tmp; h->obj[0] = h->obj[--(h->size)]; while (j < h->size) { if (j + 2 < h->size && h->obj[j+2].key < h->obj[j].key) { j += 2; k++; } if (h->obj[i].key > h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k <<= 1; i = j; j = (k - 1) << 1; } else break; } if (j < h->size) return output; if (i < h->size - 1 && h->obj[i].key > h->obj[i^1].key) { tmp = h->obj[i^1]; h->obj[i^1] = h->obj[i]; h->obj[i] = tmp; i ^= 1; } k = ((i >> 1) + 1) >> 1; j = ((k - 1) << 1) ^ 1; while (k > 0) { if (h->obj[i].key > h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k >>= 1; i = j; j = ((k - 1) << 1) ^ 1; } else break; } return output; } data pop_max(min_max_heap* h) { if (h->size == 1) return h->obj[--(h->size)]; int i = 1, j = 2, k = 2; data output = h->obj[1], tmp; h->obj[1] = h->obj[--(h->size)]; while (j < h->size) { if (j + 1 < h->size) { j++; if (j + 2 < h->size && h->obj[j+2].key > h->obj[j].key) { j += 2; k++; } else if (j + 1 < h->size && h->obj[j+1].key > h->obj[j].key) { j++; k++; } } if (h->obj[i].key < h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k <<= 1; i = j; j = (k - 1) << 1; } else break; } if (j < h->size) return output; i = (i >> 1) << 1; if (i < h->size - 1 && h->obj[i].key > h->obj[i^1].key) { tmp = h->obj[i^1]; h->obj[i^1] = h->obj[i]; h->obj[i] = tmp; } k = ((i >> 1) + 1) >> 1; j = (k - 1) << 1; while (k > 0) { if (h->obj[i].key < h->obj[j].key) { tmp = h->obj[j]; h->obj[j] = h->obj[i]; h->obj[i] = tmp; k >>= 1; i = j; j = (k - 1) << 1; } else break; } return output; } int main() { int i, N; data d; min_max_heap h; h.size = 0; scanf("%d", &N); for (i = 1; i <= N; i++) { scanf("%d", &(d.key)); push(&h, d); } for (i = 1; i < N; i++) { if (i % 2 == 0) { pop_max(&h); pop_max(&h); d.key = 1; push(&h, d); } else { d = pop_min(&h); d.key *= pop_min(&h).key; push(&h, d); } } printf("%lld\n", get_max(&h)); fflush(stdout); return 0; }