結果

問題 No.1888 Odd Insertion
ユーザー ygussanyygussany
提出日時 2022-03-06 17:28:37
言語 C
(gcc 12.3.0)
結果
WA  
実行時間 -
コード長 1,636 bytes
コンパイル時間 245 ms
コンパイル使用メモリ 32,000 KB
実行使用メモリ 29,596 KB
最終ジャッジ日時 2024-07-21 03:16:28
合計ジャッジ時間 10,555 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
このコードへのチャレンジ
（要ログイン）

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
9,472 KB
testcase_01 AC 1 ms
6,940 KB
testcase_02 AC 1 ms
6,944 KB
testcase_03 AC 1 ms
5,376 KB
testcase_04 AC 1 ms
5,376 KB
testcase_05 AC 1 ms
5,376 KB
testcase_06 AC 25 ms
5,376 KB
testcase_07 AC 23 ms
5,376 KB
testcase_08 AC 73 ms
20,480 KB
testcase_09 AC 71 ms
23,552 KB
testcase_10 AC 74 ms
18,432 KB
testcase_11 AC 72 ms
23,552 KB
testcase_12 AC 72 ms
18,432 KB
testcase_13 AC 74 ms
20,352 KB
testcase_14 AC 72 ms
23,552 KB
testcase_15 AC 75 ms
17,792 KB
testcase_16 AC 85 ms
19,072 KB
testcase_17 AC 75 ms
18,432 KB
testcase_18 AC 84 ms
19,200 KB
testcase_19 AC 80 ms
21,760 KB
testcase_20 AC 98 ms
17,536 KB
testcase_21 AC 83 ms
22,400 KB
testcase_22 AC 91 ms
17,280 KB
testcase_23 AC 90 ms
20,352 KB
testcase_24 AC 89 ms
20,352 KB
testcase_25 AC 90 ms
20,224 KB
testcase_26 AC 67 ms
17,408 KB
testcase_27 AC 70 ms
28,288 KB
testcase_28 WA -
testcase_29 AC 38 ms
11,136 KB
testcase_30 TLE -
testcase_31 -- -
testcase_32 -- -
testcase_33 -- -
testcase_34 -- -
testcase_35 -- -
testcase_36 -- -
testcase_37 -- -
testcase_38 -- -
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.c: In function 'recursion':
main.c:33:56: warning: passing argument 5 of 'recursion' from incompatible pointer type [-Wincompatible-pointer-types]
   33 |                 if (recursion(N, l + 1, P_inv, BIT, ans[1]) != 0) return 1;
      |                                                        ^
      |                                                        |
      |                                                        int *
main.c:23:57: note: expected 'int (*)[2]' but argument is of type 'int *'
   23 | int recursion(int N, int l, int P_inv[], int BIT[], int ans[][2])
      |                                                     ~~~~^~~~~~~~
main.c:48:64: warning: passing argument 5 of 'recursion' from incompatible pointer type [-Wincompatible-pointer-types]
   48 |                         if (recursion(N, i + 1, P_inv, BIT, ans[i-l+1]) != 0) return 1;
      |                                                                ^
      |                                                                |
      |                                                                int *
main.c:23:57: note: expected 'int (*)[2]' but argument is of type 'int *'
   23 | int recursion(int N, int l, int P_inv[], int BIT[], int ans[][2])
      |                                                     ~~~~^~~~~~~~
main.c: In function 'solve':
main.c:66:47: warning: passing argument 5 of 'recursion' from incompatible pointer type [-Wincompatible-pointer-types]
   66 |         return recursion(N, 1, P_inv, BIT, ans[1]);
      |                                               ^
      |                                               |
      |                                               int *
main.c:23:57: note: expected 'int (*)[2]' but argument is of type 'int *'
   23 | int recursion(int N, int l, int P_inv[], int BIT[], int ans[][2])
      |                                                     ~~~~^~~~~~~~

ソースコード

diff # 

#include <stdio.h>

void add_BIT(int N, int BIT[], int i, int k)
{
	while (i <= N) {
		BIT[i] += k;
		i += (i & -i);
	}
}

int sum_BIT(int BIT[], int r)
{
	int sum = 0;
	while (r > 0) {
		sum += BIT[r];
		r -= (r & -r);
	}
	return sum;
}

int memo[200001];

int recursion(int N, int l, int P_inv[], int BIT[], int ans[][2])
{
	if (l > N) return 1;
	else if (memo[l] != 0) return 0;
	
	int i, k = sum_BIT(BIT, P_inv[l] - 1);
	if (k % 2 == 0) {
		add_BIT(N, BIT, P_inv[l], 1);
		ans[0][0] = l;
		ans[0][1] = k + 1;
		if (recursion(N, l + 1, P_inv, BIT, ans[1]) != 0) return 1;
		add_BIT(N, BIT, P_inv[l], -1);
	}
	for (i = l + 1; i <= N && i <= l + 1000; i++) {
		k = sum_BIT(BIT, P_inv[i] - 1);
		if (k % 2 != 0) break;
		add_BIT(N, BIT, P_inv[i], 1);
		ans[i-l-1][0] = i;
		ans[i-l-1][1] = k + 1;
	
		k = sum_BIT(BIT, P_inv[l] - 1);
		if (k % 2 == 0) {
			add_BIT(N, BIT, P_inv[l], 1);
			ans[i-l][0] = l;
			ans[i-l][1] = k + 1;
			if (recursion(N, i + 1, P_inv, BIT, ans[i-l+1]) != 0) return 1;
			add_BIT(N, BIT, P_inv[l], -1);
		}
	}
	for (i--; i > l; i--) add_BIT(N, BIT, P_inv[i], -1);
	
	memo[l] = -1;
	return 0;
}

int solve(int N, int P[], int ans[][2])
{
	static int i, P_inv[200001], BIT[200001];
	for (i = 1, memo[0] = 0; i <= N; i++) {
		P_inv[P[i]] = i;
		BIT[i] = 0;
		memo[i] = 0;
	}
	return recursion(N, 1, P_inv, BIT, ans[1]);
}

int main()
{
	int i, N, P[200001], ans[200001][2];
	scanf("%d", &N);
	for (i = 1; i <= N; i++) scanf("%d", &(P[i]));
	if (solve(N, P, ans) == 0) printf("No\n");
	else {
		printf("Yes\n");
		for (i = 1; i <= N; i++) printf("%d %d\n", ans[i][0], ans[i][1]);
	}
	fflush(stdout);
	return 0;
}
0