結果

問題 No.259 セグメントフィッシング+
ユーザー heno239heno239
提出日時 2020-08-07 18:21:50
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 45 ms / 2,000 ms
コード長 4,021 bytes
コンパイル時間 1,322 ms
コンパイル使用メモリ 117,480 KB
実行使用メモリ 8,452 KB
最終ジャッジ日時 2024-09-24 14:43:02
合計ジャッジ時間 3,765 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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 4 ms
6,816 KB
testcase_01 AC 3 ms
6,940 KB
testcase_02 AC 4 ms
6,944 KB
testcase_03 AC 3 ms
6,944 KB
testcase_04 AC 4 ms
6,944 KB
testcase_05 AC 3 ms
6,940 KB
testcase_06 AC 3 ms
6,940 KB
testcase_07 AC 3 ms
6,944 KB
testcase_08 AC 40 ms
8,448 KB
testcase_09 AC 38 ms
8,256 KB
testcase_10 AC 39 ms
8,436 KB
testcase_11 AC 40 ms
8,448 KB
testcase_12 AC 40 ms
8,452 KB
testcase_13 AC 42 ms
8,416 KB
testcase_14 AC 43 ms
8,404 KB
testcase_15 AC 40 ms
8,224 KB
testcase_16 AC 41 ms
8,436 KB
testcase_17 AC 44 ms
8,396 KB
testcase_18 AC 41 ms
8,320 KB
testcase_19 AC 45 ms
8,448 KB
testcase_20 AC 43 ms
8,448 KB
testcase_21 AC 41 ms
8,436 KB
testcase_22 AC 42 ms
8,416 KB
testcase_23 AC 29 ms
6,944 KB
testcase_24 AC 39 ms
8,448 KB
testcase_25 AC 38 ms
8,312 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 #

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
using namespace std;

//#define int long long
typedef long long ll;

typedef unsigned long long ul;
typedef unsigned int ui;
constexpr ll mod = 1000000007;
const ll INF = mod * mod;
typedef pair<int, int>P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
typedef long double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acos(-1.0);

ll mod_pow(ll x, ll n, ll m) {
	ll res = 1;
	while (n) {
		if (n & 1)res = res * x % m;
		x = x * x % m; n >>= 1;
	}
	return res;
}
struct modint {
	ll n;
	modint() :n(0) { ; }
	modint(ll m) :n(m) {
		if (n >= mod)n %= mod;
		else if (n < 0)n = (n % mod + mod) % mod;
	}
	operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }
modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }
modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, ll n) {
	if (n == 0)return modint(1);
	modint res = (a * a) ^ (n / 2);
	if (n % 2)res = res * a;
	return res;
}

ll inv(ll a, ll p) {
	return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }

const int max_n = 1 << 17;
modint fact[max_n], factinv[max_n];
void init_f() {
	fact[0] = modint(1);
	for (int i = 0; i < max_n - 1; i++) {
		fact[i + 1] = fact[i] * modint(i + 1);
	}
	factinv[max_n - 1] = modint(1) / fact[max_n - 1];
	for (int i = max_n - 2; i >= 0; i--) {
		factinv[i] = factinv[i + 1] * modint(i + 1);
	}
}
modint comb(int a, int b) {
	if (a < 0 || b < 0 || a < b)return 0;
	return fact[a] * factinv[b] * factinv[a - b];
}

struct BIT {
private:
	vector<ll> node; int n;
public:
	BIT(int n_) {
		n = n_; node.resize(n, 0);
	}
	//0-indexed
	void add(int a, ll w) {
		for (int i = a; i < n; i |= i + 1)node[i] += w;
	}
	//[0,a)
	ll sum(int a) {
		ll ret = 0;
		for (int i = a - 1; i >= 0; i = (i & (i + 1)) - 1)ret += node[i];
		return ret;
	}
	//[a,b)
	ll sum(int a, int b) {
		return sum(b) - sum(a);
	}
};
void solve() {
	int n, q; cin >> n >> q;
	auto normalize = [&](int x)->int {
		int res = x % (2 * n); if (res < 0)res += 2 * n;
		return res;
	};
	BIT bt(2 * n);
	rep(i, q) {
		char c; cin >> c;
		int t; cin >> t;
		int x, y; cin >> x >> y;
		if (c == 'R') {
			int tm = x; tm -= t;
			tm = normalize(tm);
			bt.add(tm, y);
		}
		else if (c == 'L') {
			int tm = n + n - 1 - x; tm -= t;
			tm = normalize(tm);
			bt.add(tm, y);
		}
		else {
			ll ans = 0;

			int le = x, ri = y;
			le -= t; ri -= t;
			le = normalize(le);
			ri = normalize(ri);
			if (le > ri) {
				ans += bt.sum(le, 2 * n);
				ans += bt.sum(0, ri);
			}
			else {
				ans += bt.sum(le, ri);
			}

			le = n + n - y, ri = n + n - x;
			le -= t; ri -= t;
			le = normalize(le);
			ri = normalize(ri);
			if (le > ri) {
				ans += bt.sum(le, 2 * n);
				ans += bt.sum(0, ri);
			}
			else {
				ans += bt.sum(le, ri);
			}
			cout << ans << "\n";
		}
	}
}




signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	//cout << fixed << setprecision(10);
	//init_f();
	//expr();
	//int t; cin >> t; rep(i, t)
	solve();
	return 0;
}
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