QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#504493 | #9104. Zayin and Forest | untitledtwo# | AC ✓ | 391ms | 45324kb | C++20 | 1.2kb | 2024-08-04 13:31:09 | 2024-08-04 13:31:09 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
ll n;int m;
ll lowbit(ll x)
{
return x&(-x);
}
ll f(ll x)
{
return x+lowbit(x);
}
const int N=100000;
const int M=61;
ll c[N*M+1];
int mx;
void Add(int x,int v)
{
for(int i=x;i<=mx;i+=lowbit(i))
{
c[i]+=v;
}
return;
}
ll qry(int x)
{
ll ans=0;
for(int i=x;i;i-=lowbit(i))
{
ans+=c[i];
}
return ans;
}
int a[N*M+1];
int tot;
const int maxn=1e5+10;
int opt[maxn];
ll l[maxn],r[maxn];
int getval(int x)
{
return lower_bound(a+1,a+mx+1,x)-a;
}
signed main()
{
scanf("%lld%lld",&n,&m);
for(int i=1;i<=m;i++)
{
scanf("%lld%lld%lld",&opt[i],&l[i],&r[i]);
if(opt[i]==1)
{
ll nw=l[i];
while(1)
{
if(nw>n)break;
a[++tot]=nw;
nw=f(nw);
// cout<<nw<<endl;
}
}
else
{
a[++tot]=l[i];a[++tot]=r[i];
}
}
sort(a+1,a+tot+1);
mx=unique(a+1,a+tot+1)-a-1;
for(int i=1;i<=m;i++)
{
if(opt[i]==1)
{
ll nw=l[i];
while(1)
{
if(nw>n)break;
int pw=getval(nw);
Add(pw,r[i]);
nw=f(nw);
}
}
else
{
int nl=getval(l[i]),nr=getval(r[i]);
ll ans=qry(nr)-qry(nl-1);
printf("%lld\n",ans);
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 28ms
memory: 10016kb
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: 351ms
memory: 44992kb
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: 391ms
memory: 45324kb
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