結果

問題 No.1150 シュークリームゲーム(Easy)
ユーザー shimarutshimarut
提出日時 2021-05-12 22:21:18
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 48 ms / 2,000 ms
コード長 4,698 bytes
コンパイル時間 3,523 ms
コンパイル使用メモリ 185,496 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-09-24 09:10:03
合計ジャッジ時間 6,572 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
このコードへのチャレンジ
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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 2 ms
6,816 KB
testcase_01 AC 2 ms
6,940 KB
testcase_02 AC 2 ms
6,940 KB
testcase_03 AC 2 ms
6,944 KB
testcase_04 AC 2 ms
6,944 KB
testcase_05 AC 2 ms
6,944 KB
testcase_06 AC 2 ms
6,944 KB
testcase_07 AC 2 ms
6,940 KB
testcase_08 AC 2 ms
6,940 KB
testcase_09 AC 2 ms
6,944 KB
testcase_10 AC 2 ms
6,944 KB
testcase_11 AC 3 ms
6,944 KB
testcase_12 AC 2 ms
6,940 KB
testcase_13 AC 2 ms
6,944 KB
testcase_14 AC 2 ms
6,944 KB
testcase_15 AC 2 ms
6,944 KB
testcase_16 AC 2 ms
6,940 KB
testcase_17 AC 2 ms
6,944 KB
testcase_18 AC 2 ms
6,944 KB
testcase_19 AC 2 ms
6,944 KB
testcase_20 AC 2 ms
6,940 KB
testcase_21 AC 2 ms
6,944 KB
testcase_22 AC 39 ms
6,944 KB
testcase_23 AC 39 ms
6,940 KB
testcase_24 AC 36 ms
6,940 KB
testcase_25 AC 38 ms
6,944 KB
testcase_26 AC 42 ms
6,940 KB
testcase_27 AC 42 ms
6,944 KB
testcase_28 AC 44 ms
6,944 KB
testcase_29 AC 37 ms
6,944 KB
testcase_30 AC 40 ms
6,944 KB
testcase_31 AC 39 ms
6,940 KB
testcase_32 AC 38 ms
6,940 KB
testcase_33 AC 39 ms
6,940 KB
testcase_34 AC 42 ms
6,944 KB
testcase_35 AC 42 ms
6,944 KB
testcase_36 AC 43 ms
6,940 KB
testcase_37 AC 44 ms
6,940 KB
testcase_38 AC 38 ms
6,940 KB
testcase_39 AC 37 ms
6,944 KB
testcase_40 AC 40 ms
6,940 KB
testcase_41 AC 42 ms
6,940 KB
testcase_42 AC 34 ms
6,944 KB
testcase_43 AC 33 ms
6,944 KB
testcase_44 AC 48 ms
6,944 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 #

#pragma region
#define _USE_MATH_DEFINES
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <vector>
#include <map>
#include <queue>
#include <stack>
#include <set>
#include <list>
#include <iomanip>
#include <cstdint>
#include <bitset>
#include <sstream>
#include <regex>
#include <fstream>
#include <array>
#include <atcoder/all>

using namespace atcoder;
using mint = modint1000000007;
//using mint = modint998244353;
//using mint = modint;

#pragma region using
using namespace std;
typedef long long ll;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vmint = vector<mint>;
using vvmint = vector<vmint>;
using pint = pair<int, int>;
using pll = pair<ll, ll>;
using vpint = vector<pint>;
using vvpint = vector<vpint>;
using vd = vector<double>;
using vvd = vector<vd>;
//#define rep(i, s, e) for (int(i) = (s); (i) < (e); ++(i))
#define rep(i, e) for (int(i) = 0; (i) < (e); ++(i))
#define rrep(i, s) for (int(i) = (s) - 1; (i) >= 0; --(i))
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#pragma endregion
#pragma region UnionFind
struct UnionFind
{
	vector<int> par;

	UnionFind(int n) : par(n, -1) {}
	void init(int n) { par.assign(n, -1); }

	int root(int x)
	{
		if (par[x] < 0) return x;
		else return par[x] = root(par[x]);
	}

	bool issame(int x, int y)
	{
		return root(x) == root(y);
	}

	bool merge(int x, int y)
	{
		x = root(x); y = root(y);
		if (x == y) return false;
		if (par[x] > par[y]) swap(x, y);
		par[x] += par[y];
		par[y] = x;
		return true;
	}

	int size(int x)
	{
		return -par[root(x)];
	}
};
#pragma endregion
#pragma region GCD
ll gcd(ll a, ll b)
{
	if (b == 0)return a;
	return gcd(b, a%b);
}
#pragma endregion
#pragma region LCM
ll lcm(ll a, ll b)
{
	return a / gcd(a, b) * b;
}
#pragma endregion
#pragma region chmin
template<class T> inline bool chmin(T& a, T b)
{
	if (a > b)
	{
		a = b;
		return true;
	}
	return false;
}
#pragma endregion
#pragma region chmax
template<class T> inline bool chmax(T& a, T b)
{
	if (a < b)
	{
		a = b;
		return true;
	}
	return false;
}
#pragma endregion
#pragma region Dijkstra
vl dijkstra(vector<vector<pair<int, ll>>> v, int s)
{
	ll INF = 1e18;
	int MAX = 1e6;
	vl res(MAX, INF);
	priority_queue<pair<ll, int>, vector<pair<ll, int>>, greater<pair<ll, int>>> q;
	q.push({ 0,s });
	while (!q.empty())
	{
		int now;
		ll d;
		tie(d, now) = q.top();
		q.pop();
		if (!chmin(res[now], d))continue;
		for (auto p : v[now])
		{
			int next;
			ll c;
			tie(next, c) = p;
			if (res[next] <= res[now] + c)continue;
			q.push({ res[now] + c,next });
		}
	}
	return res;
}
#pragma endregion
#pragma region degからrad
double dtor(double deg) { return deg * M_PI / 180; }
#pragma endregion
#pragma region radからdeg
double rtod(double r) { return r * 180 / M_PI; }
#pragma endregion
//グリッド内チェック
bool out(int x, int y, int h, int w)
{
	if (x < 0 || h <= x || y < 0 || w <= y)return true;
	else return false;
}
#pragma endregion


int main()
{
	int n, s, t; cin >> n >> s >> t;
	--s, --t;
	vl a(n); rep(i, n)cin >> a[i];
	vl b, c;
	for (int i = (s + 1) % n; i != t; i = (i + 1) % n)b.push_back(a[i]);
	for (int i = (t + 1) % n; i != s; i = (i + 1) % n)c.push_back(a[i]);
	reverse(all(c));
	if (b.size() % 2 == 0 && c.size() % 2 == 0)
	{
		ll x, y;
		x = a[s], y = a[t];
		rep(i, (int)b.size())
		{
			if (i < b.size() / 2)x += b[i];
			else y += b[i];
		}
		rep(i, (int)c.size())
		{
			if (i < c.size() / 2)x += c[i];
			else y += c[i];
		}
		cout << x - y << endl;
	}
	else if (b.size() % 2 == 1 && c.size() % 2 == 0)
	{
		ll x, y;
		x = a[s], y = a[t];
		rep(i, (int)b.size())
		{
			if (i < (b.size() + 1) / 2)x += b[i];
			else y += b[i];
		}
		rep(i, (int)c.size())
		{
			if (i < c.size() / 2)x += c[i];
			else y += c[i];
		}
		cout << x - y << endl;
	}
	else if (b.size() % 2 == 0 && c.size() % 2 == 1)
	{
		ll x, y;
		x = a[s], y = a[t];
		rep(i, (int)b.size())
		{
			if (i < b.size() / 2)x += b[i];
			else y += b[i];
		}
		rep(i, (int)c.size())
		{
			if (i < (c.size() + 1) / 2)x += c[i];
			else y += c[i];
		}
		cout << x - y << endl;
	}
	else
	{
		ll xcan, ycan;
		xcan = a[s], ycan = a[t];
		rep(i, (int)b.size())
		{
			if (i < (b.size() + 1) / 2)xcan += b[i];
			else ycan += b[i];
		}
		rep(i, (int)c.size())
		{
			if (i < c.size() / 2)xcan += c[i];
			else ycan += c[i];
		}
		ll x, y;
		x = a[s], y = a[t];
		rep(i, (int)b.size())
		{
			if (i < b.size() / 2)x += b[i];
			else y += b[i];
		}
		rep(i, (int)c.size())
		{
			if (i < (c.size() + 1) / 2)x += c[i];
			else y += c[i];
		}
		if (xcan > x)cout << xcan - ycan << endl;
		else cout << x - y << endl;
	}
}
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