QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#486546 | #9104. Zayin and Forest | bad_solver | AC ✓ | 492ms | 44940kb | C++23 | 1.8kb | 2024-07-21 21:25:39 | 2024-07-21 21:25:41 |
Judging History
answer
#include <bits/stdc++.h>
#define pb push_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define f first
#define s second
using namespace std;
using ll = long long;
using pii = pair <int, int>;
const int N = 1e5 + 5;
ll f(ll x) {
for (ll i = 0; ; ++i) {
if (((x >> i) & 1) && !((x >> (i + 1)) & 1)) {
return x - (1ll << i) + (1ll << (i + 1));
}
if ((x >> i) & 1)
x -= (1ll << i);
}
}
ll n, t[61 * N];
int m;
vector <ll> vals;
int bruh;
void add(int x, int v) {
for ( ; x < sz(vals); x |= x + 1) {
t[x] += v;
//assert(++bruh <= 2e8);
}
}
ll get(int x) {
ll ans = 0;
for (; x >= 0; x &= x + 1, --x) {
ans += t[x];
}
return ans;
}
int tp[N], v[N];
ll l[N], r[N], x[N];
int main() {
ios :: sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> m;
for (int i = 0; i < m; ++i) {
cin >> tp[i];
if (tp[i] & 1) {
cin >> x[i] >> v[i];
ll cur = x[i];
while (cur <= n) {
assert(++bruh <= 7e6);
vals.pb(cur);
cur = f(cur);
}
} else {
cin >> l[i] >> r[i];
}
}
sort(all(vals));
vals.erase(unique(all(vals)), vals.end());
for (int i = 0; i < m; ++i) {
if (tp[i] & 1) {
while (x[i] <= n) {
int p = lower_bound(all(vals), x[i]) - vals.begin();
add(p, v[i]);
x[i] = f(x[i]);
}
}
else {
int R = upper_bound(all(vals), r[i]) - vals.begin() - 1;
int L = upper_bound(all(vals), l[i] - 1) - vals.begin() - 1;
cout << get(R) - get(L) << '\n';
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 33ms
memory: 9668kb
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: 458ms
memory: 44940kb
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: 492ms
memory: 43616kb
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