QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#569741#9104. Zayin and ForestSGColin#AC ✓392ms54824kbC++171.3kb2024-09-17 09:57:112024-09-17 09:57:12

Judging History

你现在查看的是最新测评结果

  • [2024-09-17 09:57:12]
  • 评测
  • 测评结果:AC
  • 用时:392ms
  • 内存:54824kb
  • [2024-09-17 09:57:11]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

inline ll rd() {
	ll x = 0;
	bool f = 0;
	char c = getchar();
	for (; !isdigit(c); c = getchar()) f |= (c == '-');
	for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ 48);
	return f ? -x : x;
}

#define eb emplace_back
#define all(s) (s).begin(), (s).end()
#define rep(i, a, b) for (int i = (a); i <= (b); ++i)
#define per(i, a, b) for (int i = (a); i >= (b); --i)

inline ll lowbit(ll x) {return x & -x;}

const int N = 10000007;

ll c[N];

inline void add(int pos, ll val) {
	for (; pos < N; pos += lowbit(pos)) c[pos] += val;
}

inline ll sum(int pos) {
	ll ret = 0;
	for (; pos; pos -= lowbit(pos)) ret += c[pos];
	return ret;
}

inline ll sum(int L, int R) {
	return sum(R) - sum(L - 1);
}

int main() {
	vector<ll> s;
	vector<tuple<int, ll, ll>> q;
	ll n = rd(), m = rd();
	rep(i, 1, m) {
		int op = rd();
		ll l = rd(), r = rd();
		q.eb(op, l, r);
		if (op == 1) while (l <= n) {s.eb(l); l += lowbit(l);}
		else {s.eb(l); s.eb(r);}
	}
	sort(all(s));
	s.erase(unique(all(s)), s.end());
	auto getv = [&](ll w) {
		return lower_bound(all(s), w) - s.begin() + 1;
	};
	for (auto [op, L, R] : q) {
		if (op == 1) {
			while (L <= n) {
				add(getv(L), R);
				L += lowbit(L);
			}
		} else printf("%lld\n", sum(getv(L), getv(R)));
	}

	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 30ms
memory: 19264kb

input:

1000000000 20000
2 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
1 666246328 754201635
1 654066651 179982083
2 240989825 984888006
2 372004567 858916479
2 76127818 98606736
1 181794163 902842353
1...

output:

0
43148875202
17613404710
0
32808578044
28190043566
15641637055
78276219892
14955165236
20262224725
105057452192
17002492367
57916137452
27165464255
72766353838
39458327919
38294102627
264448717384
0
70928519548
279674530483
88885017175
111664599432
69703816663
211506104092
104120007714
34403738515
...

result:

ok 6649 lines

Test #2:

score: 0
Accepted
time: 374ms
memory: 54824kb

input:

1000000000000000000 100000
1 384578735 526547442
1 64211261 592970906
1 512065247 448267721
1 44993150 127180320
1 880319036 927623947
1 170536687 572121854
1 896600029 804033011
2 666246328 931651408754201635
1 654066651 179982083
1 984888006 240989825
1 372004567 858916479
1 76127818 98606736
1 18...

output:

144205553442
497561506762
903930740555
878459229726
689906696633
859703313829
735231510045
1177875391120
1461659121798
1612314483744
2027462020547
1991476058156
2381861014705
2033973986301
2117738140401
2946661001323
2187638958334
2593068002437
1854182975909
2262561461341
3038788266419
3070435321746...

result:

ok 12561 lines

Test #3:

score: 0
Accepted
time: 392ms
memory: 51836kb

input:

1000000000000000000 100000
1 395661363384578735 526547442
1 843068846064211261 592970906
1 550209039512065247 448267721
1 79278526044993150 127180320
1 193676380880319036 927623947
1 81194098170536687 572121854
1 223947079896600029 804033011
2 921340893666246328 931651408754201635
1 3605022006540666...

output:

0
152171177084
261154456848
98759395571
132967101279
214003153997
109857765028
569583036989
221377921411
943235254745
1036051470108
1290577544766
795223506189
1251272020902
662604469794
907615793356
1786684858550
488655543368
1495388560030
1818589934911
151873013358
717984689394
2039336496945
378996...

result:

ok 12561 lines