AtCoder Grand Contest 004

Submission #1358610

Source codeソースコード

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef vector<int> vi;

#define SZ(x) ((int)x.size())

const int N = (int)1e5+5;
int n, m, res, dp[N];
bool mark[N];
vector<int> g[N];

void dfs(int u, int p) {
	for (int v : g[u]) if (v != p) {
		dfs(v, u);
		dp[u] = max(dp[u], dp[v] + 1);
	}
	if (u != 1 && !mark[u] && dp[u] == m - 1)
		++res, dp[u] = -1;
}

int main() {
	scanf("%d%d", &n, &m);
	for (int i = 1, u; i <= n; ++i) {
		scanf("%d", &u);
		if (i > 1) {
			g[u].push_back(i);
			if (u == 1) mark[i] = true;
		} else res += (u != 1);
	}
	dfs(1, 0);
	printf("%d", res);
	return 0;
}

Submission

Task問題 D - Teleporter
User nameユーザ名 MasterMind0108
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 800
Source lengthソースコード長 712 Byte
File nameファイル名
Exec time実行時間 30 ms
Memory usageメモリ使用量 12416 KB

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
^
./Main.cpp:29:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &u);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - 0_00.txt,0_01.txt,0_02.txt
All 800 / 800 0_00.txt,0_01.txt,0_02.txt,1_00.txt,1_01.txt,1_02.txt,1_03.txt,1_04.txt,1_05.txt,1_06.txt,1_07.txt,1_08.txt,1_09.txt,1_10.txt,1_11.txt,1_12.txt,1_13.txt,1_14.txt,1_15.txt,1_16.txt,1_17.txt,1_18.txt,1_19.txt,1_20.txt,1_21.txt,1_22.txt,1_23.txt,1_24.txt,1_25.txt,1_26.txt,1_27.txt,1_28.txt,1_29.txt,1_30.txt,1_31.txt,1_32.txt,1_33.txt,1_34.txt,1_35.txt,1_36.txt,1_37.txt,1_38.txt,1_39.txt,1_40.txt,1_41.txt,1_42.txt,1_43.txt,1_44.txt,1_45.txt,1_46.txt,1_47.txt,1_48.txt,1_49.txt,1_50.txt,1_51.txt,1_52.txt,1_53.txt,1_54.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
0_00.txt AC 2 ms 2560 KB
0_01.txt AC 2 ms 2560 KB
0_02.txt AC 2 ms 2560 KB
1_00.txt AC 2 ms 2560 KB
1_01.txt AC 2 ms 2560 KB
1_02.txt AC 30 ms 12416 KB
1_03.txt AC 27 ms 12416 KB
1_04.txt AC 27 ms 12416 KB
1_05.txt AC 27 ms 12416 KB
1_06.txt AC 28 ms 12416 KB
1_07.txt AC 27 ms 12416 KB
1_08.txt AC 27 ms 12416 KB
1_09.txt AC 27 ms 12416 KB
1_10.txt AC 26 ms 9216 KB
1_11.txt AC 25 ms 9216 KB
1_12.txt AC 26 ms 9216 KB
1_13.txt AC 24 ms 6272 KB
1_14.txt AC 24 ms 6272 KB
1_15.txt AC 24 ms 6272 KB
1_16.txt AC 17 ms 4860 KB
1_17.txt AC 17 ms 4860 KB
1_18.txt AC 17 ms 4860 KB
1_19.txt AC 12 ms 3324 KB
1_20.txt AC 12 ms 3324 KB
1_21.txt AC 11 ms 3324 KB
1_22.txt AC 22 ms 4608 KB
1_23.txt AC 22 ms 4608 KB
1_24.txt AC 22 ms 4608 KB
1_25.txt AC 21 ms 4096 KB
1_26.txt AC 21 ms 4096 KB
1_27.txt AC 21 ms 4096 KB
1_28.txt AC 14 ms 3840 KB
1_29.txt AC 14 ms 3840 KB
1_30.txt AC 14 ms 3840 KB
1_31.txt AC 23 ms 4608 KB
1_32.txt AC 23 ms 4608 KB
1_33.txt AC 23 ms 4608 KB
1_34.txt AC 23 ms 4608 KB
1_35.txt AC 24 ms 4992 KB
1_36.txt AC 24 ms 4992 KB
1_37.txt AC 24 ms 4992 KB
1_38.txt AC 24 ms 4992 KB
1_39.txt AC 24 ms 4992 KB
1_40.txt AC 24 ms 4992 KB
1_41.txt AC 24 ms 4992 KB
1_42.txt AC 24 ms 4992 KB
1_43.txt AC 24 ms 5376 KB
1_44.txt AC 24 ms 5376 KB
1_45.txt AC 24 ms 5376 KB
1_46.txt AC 24 ms 5248 KB
1_47.txt AC 25 ms 6784 KB
1_48.txt AC 25 ms 6784 KB
1_49.txt AC 25 ms 6912 KB
1_50.txt AC 25 ms 6784 KB
1_51.txt AC 26 ms 11008 KB
1_52.txt AC 26 ms 11008 KB
1_53.txt AC 27 ms 11136 KB
1_54.txt AC 26 ms 11136 KB