結果

問題 No.1365 [Cherry 1st Tune] Whose Fault?
ユーザー iaNTUiaNTU
提出日時 2021-01-17 03:55:45
言語 C++17
(gcc 13.2.0 + boost 1.83.0)
結果
AC  
実行時間 368 ms / 2,000 ms
コード長 4,503 bytes
コンパイル時間 3,948 ms
コンパイル使用メモリ 199,092 KB
実行使用メモリ 11,624 KB
最終ジャッジ日時 2023-08-28 11:17:14
合計ジャッジ時間 25,360 ms
ジャッジサーバーID
(参考情報)
judge12 / judge15
このコードへのチャレンジ(β)

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 3 ms
9,672 KB
testcase_01 AC 3 ms
9,660 KB
testcase_02 AC 3 ms
9,684 KB
testcase_03 AC 3 ms
9,664 KB
testcase_04 AC 3 ms
9,912 KB
testcase_05 AC 3 ms
9,636 KB
testcase_06 AC 3 ms
9,900 KB
testcase_07 AC 3 ms
9,608 KB
testcase_08 AC 3 ms
9,904 KB
testcase_09 AC 3 ms
9,780 KB
testcase_10 AC 3 ms
9,600 KB
testcase_11 AC 3 ms
9,640 KB
testcase_12 AC 3 ms
9,820 KB
testcase_13 AC 33 ms
10,052 KB
testcase_14 AC 23 ms
9,844 KB
testcase_15 AC 8 ms
9,752 KB
testcase_16 AC 6 ms
9,864 KB
testcase_17 AC 20 ms
9,772 KB
testcase_18 AC 13 ms
9,804 KB
testcase_19 AC 33 ms
9,880 KB
testcase_20 AC 20 ms
9,624 KB
testcase_21 AC 31 ms
9,720 KB
testcase_22 AC 25 ms
9,900 KB
testcase_23 AC 71 ms
10,740 KB
testcase_24 AC 147 ms
10,932 KB
testcase_25 AC 297 ms
10,924 KB
testcase_26 AC 203 ms
10,924 KB
testcase_27 AC 241 ms
10,356 KB
testcase_28 AC 103 ms
9,908 KB
testcase_29 AC 85 ms
10,344 KB
testcase_30 AC 368 ms
10,996 KB
testcase_31 AC 325 ms
11,244 KB
testcase_32 AC 184 ms
11,164 KB
testcase_33 AC 293 ms
10,756 KB
testcase_34 AC 229 ms
10,472 KB
testcase_35 AC 137 ms
10,948 KB
testcase_36 AC 272 ms
11,160 KB
testcase_37 AC 58 ms
10,028 KB
testcase_38 AC 76 ms
10,992 KB
testcase_39 AC 349 ms
11,028 KB
testcase_40 AC 341 ms
10,920 KB
testcase_41 AC 259 ms
10,948 KB
testcase_42 AC 235 ms
10,196 KB
testcase_43 AC 3 ms
9,728 KB
testcase_44 AC 85 ms
11,624 KB
testcase_45 AC 108 ms
9,740 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

// Exported by Exporter.exe

// Included from A.cpp
// Compile flags -Wall -Wextra -Wshadow -D_GLIBCXX_ASSERTIONS -DDEBUG -ggdb3 -fmax-errors=2
#include <bits/stdc++.h>
using namespace std;
#define PB push_back
#define F first
#define S second
#define MP make_pair
#define MTP make_tuple
typedef long long int ll;

constexpr int kN = int(2E5 + 10);
// constexpr int kMod = 998244353;
// constexpr int kInf = 0x3f3f3f3f
// constexpr ll kInf = 0x3f3f3f3f3f3f3f3f;

template <typename T> T ABS(T n) {return n >= 0 ? n : -n;}


// Included from C:\Users\ianli\Desktop\CP\template\Various\Fast_IO.cpp
static inline char Get_Raw_Char() {
	static char buf[1 << 16], *p = buf, *end = buf;
	if (p == end) {
		if ((end = buf + fread(buf, 1, 1 << 16, stdin)) == buf) return '\0';
		p = buf;
	}
	return *p++;
}

static inline int Get_Digit() {
	char c = Get_Raw_Char();
	while (!isdigit(c)) c = Get_Raw_Char();
	return int(c - '0');
}

static inline int Get_PInt() {
	char c = Get_Raw_Char();
	int ret;
	while (!isdigit(c)) c = Get_Raw_Char();
	ret = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) ret = ret * 10 + int(c - '0');
	return ret;
}

static inline int Get_Int() {
	char c = Get_Raw_Char();
	bool neg = false;
	int ret;
	while (!isdigit(c)) {
		if (c == '-') neg = true;
		c = Get_Raw_Char();
	}
	ret = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) ret = ret * 10 + int(c - '0');
	if (neg) return -ret;
	return ret;
}

static inline long long int Get_ll() {
	char c = Get_Raw_Char();
	bool neg = false;
	long long int ret;
	while (!isdigit(c)) {
		if (c == '-') neg = true;
		c = Get_Raw_Char();
	}
	ret = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) ret = ret * 10 + int(c - '0');
	if (neg) return -ret;
	return ret;
}

static inline long long int Get_Pll() {
	char c = Get_Raw_Char();
	long long int ret;
	while (!isdigit(c)) c = Get_Raw_Char();
	ret = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) ret = ret * 10 + int(c - '0');
	return ret;
}

template <typename T> static inline void Read_P(T &n) {
	static_assert(is_integral<T>::value);
	char c = Get_Raw_Char();
	while (!isdigit(c)) c = Get_Raw_Char();
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	return ;
}

template <typename T> static inline void Read(T &n) {
	static_assert(is_integral<T>::value);
	char c = Get_Raw_Char();
	bool neg = false;
	while (!isdigit(c)) {
		if (c == '-') neg = true;
		c = Get_Raw_Char();
	}
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	if (neg) n = -n;
	return ;
}

template <typename T> static inline void Read_Digit(T &n) {
	static_assert(is_integral<T>::value);
	char c = Get_Raw_Char();
	while (!isdigit(c)) c = Get_Raw_Char();
	n = int(c - '0');
	return ;
}

template <typename T, typename... Targs> static inline void Read(T &n, Targs&... Fargs) {
	Read(n);
	return Read(Fargs...);
}

template <typename T, typename... Targs> static inline void Read_Digit(T &n, Targs&... Fargs) {
	Read_Digit(n);
	return Read_Digit(Fargs...);
}

template <typename T, typename... Targs> static inline void Read_P(T &n, Targs&... Fargs) {
	Read_P(n);
	return Read_P(Fargs...);
}
// End of C:\Users\ianli\Desktop\CP\template\Various\Fast_IO.cpp

int f[kN], a[kN], b[kN], p[kN], x[kN], y[kN];
ll sa[kN], sb[kN];
double ans, srp[kN];

double Cal(int n) {
	double sd = ABS(sa[n] - sb[n]);
	return sd * sd / srp[n];
}

int Find(int n) {return n == f[n] ? n : f[n] = Find(f[n]);}
void Merge(int l, int r) {
	l = Find(l), r = Find(r);
	if (l != r) {
		ans -= Cal(l);
		ans -= Cal(r);
		f[r] = l;
		sa[l] += sa[r];
		sb[l] += sb[r];
		srp[l] += srp[r];
		ans += Cal(l);
	}

}


int main() {
	//ios::sync_with_stdio(false);
	//cin.tie(0);
	//freopen("file_name", "r", stdin);
	//freopen("file_name", "w", stdout);
	//fstream input, output;
	//input.open("file_name", ios::in);
	//output.open("file_name", ios::out);
	int n, q;
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
	for (int i = 1; i <= n; i++) scanf("%d", &b[i]);
	for (int i = 1; i <= n; i++) scanf("%d", &p[i]);
	scanf("%d", &q);
	for (int i = 1; i <= q; i++) scanf("%d%d", &x[i], &y[i]);
	for (int i = 1; i <= n; i++) sa[i] = a[i];
	for (int i = 1; i <= n; i++) sb[i] = b[i];
	for (int i = 1; i <= n; i++) srp[i] = 1.0 / p[i];
	for (int i = 1; i <= n; i++) f[i] = i;
	for (int i = 1; i <= n; i++) ans += Cal(i);

	for (int i = 1; i <= q; i++) {
		Merge(x[i], y[i]);
		printf("%.20lf\n", ans);
	}

	//input.close();
	//output.close();
}
// End of A.cpp

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