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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#449863#8597. Запити красот пiдмасивiвgreen_gold_dog#0 7ms3956kbC++204.7kb2024-06-21 18:28:302024-06-21 22:27:47

Judging History

你现在查看的是最新测评结果

  • [2024-06-21 22:27:47]
  • 管理员手动重测该提交记录
  • 测评结果:0
  • 用时:7ms
  • 内存:3956kb
  • [2024-06-21 18:28:30]
  • 提交

answer

//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;

constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007, LOG = 21;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;

random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());

template<typename T>
bool assign_max(T& a, T b) {
	if (b > a) {
		a = b;
		return true;
	}
	return false;
}

template<typename T>
bool assign_min(T& a, T b) {
	if (b < a) {
		a = b;
		return true;
	}
	return false;
}

template<typename T>
T square(T a) {
	return a * a;
}

template<>
struct std::hash<pair<ll, ll>> {
	ll operator() (pair<ll, ll> p) const {
		return ((__int128)p.first * MOD + p.second) % INF64;
	}
};

struct segment_tree_min {
	vector<pair<ll, ll>> tree;
	vector<ll> m;
	ll size;
	segment_tree_min(ll n) {
		size = 1;
		while (size < n) {
			size *= 2;
		}
		tree.resize(size * 2, make_pair(0, 0));
		m.resize(size * 2, 0);
		for (ll i = 0; i < size; i++) {
			tree[i + size].second = i;
		}
	}
	pair<ll, ll> add(ll v, ll x) {
		tree[v].first += x;
		m[v] += x;
		return tree[v];
	}
	void push(ll v) {
		add(v * 2, m[v]);
		add(v * 2 + 1, m[v]);
		m[v] = 0;
	}
	void add(ll l, ll r, ll x) {
		add(1, 0, size, l, r, x);
	}
	pair<ll, ll> add(ll v, ll l, ll r, ll ql, ll qr, ll x) {
		if (ql <= l && r <= qr) {
			return add(v, x);
		}
		if (qr <= l || r <= ql) {
			return tree[v];
		}
		push(v);
		ll mid = (l + r) / 2;
		return tree[v] = min(add(v * 2, l, mid, ql, qr, x), add(v * 2 + 1, mid, r, ql, qr, x));
	}
	pair<ll, ll> get(ll l, ll r) {
		return get(1, 0, size, l, r);
	}
	pair<ll, ll> get(ll v, ll l, ll r, ll ql, ll qr) {
		if (ql <= l && r <= qr) {
			return tree[v];
		}
		if (qr <= l || r <= ql) {
			return make_pair(INF64, 0);
		}
		push(v);
		ll mid = (l + r) / 2;
		return min(get(v * 2, l, mid, ql, qr), get(v * 2 + 1, mid, r, ql, qr));
	}
};

struct segment_tree_max {
	vector<pair<ll, ll>> tree;
	vector<ll> m;
	ll size;
	segment_tree_max(ll n) {
		size = 1;
		while (size < n) {
			size *= 2;
		}
		tree.resize(size * 2, make_pair(0, 0));
		m.resize(size * 2, 0);
		for (ll i = 0; i < size; i++) {
			tree[i + size].second = i;
		}
	}
	pair<ll, ll> add(ll v, ll x) {
		tree[v].first += x;
		m[v] += x;
		return tree[v];
	}
	void push(ll v) {
		add(v * 2, m[v]);
		add(v * 2 + 1, m[v]);
		m[v] = 0;
	}
	void add(ll l, ll r, ll x) {
		add(1, 0, size, l, r, x);
	}
	pair<ll, ll> add(ll v, ll l, ll r, ll ql, ll qr, ll x) {
		if (ql <= l && r <= qr) {
			return add(v, x);
		}
		if (qr <= l || r <= ql) {
			return tree[v];
		}
		push(v);
		ll mid = (l + r) / 2;
		return tree[v] = max(add(v * 2, l, mid, ql, qr, x), add(v * 2 + 1, mid, r, ql, qr, x));
	}
	pair<ll, ll> get(ll l, ll r) {
		return get(1, 0, size, l, r);
	}
	pair<ll, ll> get(ll v, ll l, ll r, ll ql, ll qr) {
		if (ql <= l && r <= qr) {
			return tree[v];
		}
		if (qr <= l || r <= ql) {
			return make_pair(-INF64, 0);
		}
		push(v);
		ll mid = (l + r) / 2;
		return max(get(v * 2, l, mid, ql, qr), get(v * 2 + 1, mid, r, ql, qr));
	}
};

void solve() {
	ll n, q;
	cin >> n >> q;
	vector<ll> arr(n);
	vector<ll> ps(1, 0);
	for (ll i = 0; i < n; i++) {
		cin >> arr[i];
	}
	reverse(arr.begin(), arr.end());
	for (ll i = 0; i < n; i++) {
		ps.push_back(ps.back() + arr[i]);
	}
	segment_tree_min stmi(n);
	segment_tree_max stma(n);
	for (ll i = n - 1; i >= 0; i--) {
		stmi.add(i, n, arr[i]);
		stma.add(i, n, arr[i]);
	}
	for (ll i = 0; i < q; i++) {
		ll t, l, r;
		cin >> t >> l >> r;
		if (t == 1) {
			r = n - r;
			l = n - l;
			l++;
			swap(l, r);
			ll ans = ps[r] - ps[l];
			ll nx = INF64;
			ll ni = l;
			bool b = false;
			while (ni < r) {
				if (b) {
					auto[mi, ind] = stmi.get(ni, r);
					mi -= ps[ni];
					assign_min(nx, abs(mi));
					ni = ind + 1;
				} else {
					auto[mi, ind] = stma.get(ni, r);
					mi -= ps[ni];
					assign_min(nx, abs(mi));
					ni = ind + 1;
				}
				assign_max(ans, min(nx, ps[r] - ps[ni]));
			}
			b = true;
			nx = INF64;
			ni = l;
			while (ni < r) {
				if (b) {
					auto[mi, ind] = stmi.get(ni, r);
					mi -= ps[ni];
					assign_min(nx, abs(mi));
					ni = ind + 1;
				} else {
					auto[mi, ind] = stma.get(ni, r);
					mi -= ps[ni];
					assign_min(nx, abs(mi));
					ni = ind + 1;
				}
				assign_max(ans, min(nx, ps[r] - ps[ni]));
			}
			cout << ans << '\n';
		} else {
			exit(1);
		}
	}
}

int main() {
	if (IS_FILE) {
		freopen("", "r", stdin);
		freopen("", "w", stdout);
	}
    	ios_base::sync_with_stdio(false);
    	cin.tie(0);
    	cout.tie(0);
	ll t = 1;
	if (IS_TEST_CASES) {
		cin >> t;
	}
	for (ll i = 0; i < t; i++) {
		solve();
	}
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Time Limit Exceeded

Test #1:

score: 0
Time Limit Exceeded

input:

1000000 1000000
548734664 631285694 511074814 185066089 177199147 524740185 143108778 954318193 103939390 194933972 126964310 977448144 188825490 775722231 460775045 254691982 436971964 566341931 148211711 74910105 923734998 440021758 474275150 717904448 680353276 612974499 712145218 300908726 34722...

output:


result:


Subtask #2:

score: 0
Wrong Answer

Test #7:

score: 0
Wrong Answer
time: 7ms
memory: 3956kb

input:

1000 1000
-873807720 -737050877 797489760 406646247 -750849890 -581119106 43724194 -931326234 -9389547 -684003608 -926307185 -502569356 -461635706 -238087464 -83909772 -884633970 46721429 -576741985 -323890970 -855342249 -736506813 336516318 -4075924 -782227362 56799828 290931118 -471600723 81594380...

output:

5680838627
7971661681
7251185652
5902581650
9224227779
6576626399
7445393358
5650446665
2859080331
9951777555
8590138425
9126178404
8438322412
8776166208
2974203012
12336530829
5615794410
3485660512
4635011636
7961676420
5091313656
2023977413
8619457836
8862797014
12336530829
2035043282
9621449135
6...

result:

wrong answer 1st numbers differ - expected: '9772834244', found: '5680838627'

Subtask #3:

score: 0
Time Limit Exceeded

Test #14:

score: 0
Time Limit Exceeded

input:

200000 200000
580139218 -783262026 565291185 -701435432 -591602198 -342573855 -900284959 -10919966 -682899137 -282058183 963121871 491072571 691886927 761414760 -828585515 888361166 -790814084 145385324 214735368 388759807 -80339362 -975535748 522135695 301673442 36714481 785639770 319723485 1098009...

output:

69046709744
4991294820
49608837794
167224730990
95444577384
96201437344
14004737622
116583841927
132736782972
91173562774
104875680798
161962533451
114535165601
4544782563
57332852335
9401557889
124721196267
113664481114
126457277533
62277254144
74051643120
4021418416
107993042372
54265868433
479722...

result:


Subtask #4:

score: 0
Time Limit Exceeded

Test #21:

score: 0
Time Limit Exceeded

input:

200000 200000
128744308 920701830 -482412021 59142239 721167306 -622861403 165749748 -449445968 -760679479 -207234657 171482190 -239316743 75518499 -717652242 502074875 -731242646 -183939818 -625333917 -53052313 185734819 -780000096 -563390882 -690210905 596581513 764466021 776717157 -38544163 -7898...

output:

128744308
1049446138
567034117
626176356
1347343662
724482259
890232007
906557623
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
1347343662
134734366...

result:


Subtask #5:

score: 0
Time Limit Exceeded

Test #28:

score: 0
Time Limit Exceeded

input:

200000 200000
3 -5 -3 3 3 -5 7 -2 2 -4 -4 9 0 -4 -2 2 -5 7 -2 3 -8 1 6 -7 9 -3 -2 4 -2 -2 3 -2 1 0 -3 6 0 -6 -2 6 -5 6 -4 3 2 -4 5 -2 -8 1 1 2 1 -3 3 5 -9 1 3 -2 0 1 -2 1 2 5 -1 -4 -1 -3 7 -7 7 1 -6 7 -1 -5 1 4 -7 6 -3 -4 -1 4 1 5 -7 -3 9 1 -6 2 -3 1 6 -1 -1 1 -1 -5 -3 9 -5 4 -1 3 -2 -4 -4 8 1 0 -9 ...

output:


result:


Subtask #6:

score: 0
Skipped

Dependency #1:

0%

Subtask #7:

score: 0
Skipped

Dependency #6:

0%

Subtask #8:

score: 0
Skipped

Dependency #6:

0%

Subtask #9:

score: 0
Skipped

Dependency #1:

0%