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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 |
---|---|---|---|---|---|---|---|---|---|
#471238 | #9104. Zayin and Forest | real_sigma_team# | AC ✓ | 380ms | 42348kb | C++17 | 1.5kb | 2024-07-10 19:51:37 | 2024-07-10 19:51:37 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
struct fenwick {
int n;
vector<long long> fenw;
fenwick() = default;
fenwick(int n) : n(n), fenw(n, 0) {}
void upd(int k, long long x) {
for (; k < n; k |= k + 1) fenw[k] += x;
}
long long get(int k) {
long long res = 0;
for (; k >= 0; k &= k + 1, --k) res += fenw[k];
return res;
}
long long get(int l, int r) {
if (l > r) return 0;
return get(r) - get(l - 1);
}
};
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
long long n;
int m;
cin >> n >> m;
vector<long long> vals;
vector<tuple<int, long long, long long>> qq(m);
for (auto& [x, y, z] : qq) {
cin >> x >> y >> z;
if (x == 1) {
long long a = y;
while (a <= n) {
vals.push_back(a);
a += a & -a;
}
}
}
sort(vals.begin(), vals.end());
vals.resize(unique(vals.begin(), vals.end()) - vals.begin());
fenwick fenw(vals.size());
for (auto [x, y, z] : qq) {
if (x == 1) {
while (y <= n) {
fenw.upd(lower_bound(vals.begin(), vals.end(), y) - vals.begin(), z);
y += y & -y;
}
} else {
int ql = lower_bound(vals.begin(), vals.end(), y) - vals.begin();
int qr = upper_bound(vals.begin(), vals.end(), z) - vals.begin() - 1;
cout << fenw.get(ql, qr) << '\n';
}
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 26ms
memory: 6188kb
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: 317ms
memory: 42188kb
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: 380ms
memory: 42348kb
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