QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#484157 | #9104. Zayin and Forest | PetroTarnavskyi# | AC ✓ | 342ms | 43276kb | C++20 | 1.6kb | 2024-07-19 16:25:59 | 2024-07-19 16:26:00 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
LL f(LL x)
{
LL y = __builtin_ctzll(x);
return x + (1LL << y);
}
struct Fenwick
{
int n;
vector<LL> t;
void init(int _n)
{
n = _n;
t.clear();
t.assign(n, 0);
}
void upd(int i, int x)
{
for (; i < n; i |= i + 1)
t[i] += x;
}
LL query(int i)
{
LL ans = 0;
for (; i >= 0; i = (i & (i + 1)) - 1)
ans += t[i];
return ans;
}
};
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
LL n, m;
cin >> n >> m;
vector<tuple<int, LL, LL>> queries(m);
for (auto& [op, a, b] : queries)
cin >> op >> a >> b;
vector<LL> vec;
vec.reserve(60 * m);
for (auto [op, a, b] : queries)
{
if (op == 1)
{
for (LL x = a; x <= n; x = f(x))
{
vec.PB(x);
}
}
}
sort(ALL(vec));
vec.erase(unique(ALL(vec)), vec.end());
Fenwick fw;
fw.init(SZ(vec));
for (auto [op, a, b] : queries)
{
if (op == 1)
{
for (LL x = a; x <= n; x = f(x))
{
int pos = lower_bound(ALL(vec), x) - vec.begin();
fw.upd(pos, b);
}
}
else
{
int le = lower_bound(ALL(vec), a) - vec.begin();
int ri = upper_bound(ALL(vec), b) - vec.begin();
cout << fw.query(ri - 1) - fw.query(le - 1) << "\n";
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 27ms
memory: 7164kb
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: 302ms
memory: 43060kb
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: 342ms
memory: 43276kb
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