QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#545195 | #1872. Game | PhantomThreshold | AC ✓ | 453ms | 19468kb | C++20 | 2.7kb | 2024-09-03 00:51:35 | 2024-09-03 00:51:35 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
int T;
cin>>T;
while(T--)
{
int n,q;
cin>>n>>q;
struct node
{
int l,r,ty;
bool operator==(const node &_)const
{
return l==_.l and r==_.r;
}
bool operator<(const node &_)const
{
if(l!=_.l)return l<_.l;
if(r!=_.r)return r<_.r;
return ty<_.ty;
}
};
map<int,vector<node>> mods,qs;
for(int i=1;i<=n;i++)
{
int l,r,ty;
cin>>l>>r>>ty;
mods[r-l].emplace_back(l,r,ty);
}
mods[1e9+7]={};
vector<int> ans(q+5);
for(int i=1;i<=q;i++)
{
int l,r;
cin>>l>>r;
qs[r-l].emplace_back(l,r,i);
}
array<set<int>,2> spl;
while(not qs.empty())
{
auto &[tim,vecm]=*mods.begin();
auto &[tiq,vecq]=*qs.begin();
// cerr<<"!! "<<tim<<' '<<tiq<<endl;
if(tim<=tiq)
{
sort(vecm.begin(),vecm.end());
vecm.erase(unique(vecm.begin(),vecm.end()),vecm.end());
if(tim%2==0)
{
for(auto [l,r,ty]:vecm)
{
int chg=0;
if(ty==2)
{
if(spl[1].contains(l+r-1) or spl[1].contains(l+1+r))
ty=1;
else
ty=0;
}
else chg=1;
// cerr<<"modify "<<l<<' '<<r<<' '<<ty<<endl;
if(ty==1)
{
if(not spl[0].contains(l+r))
{
spl[0].insert(l+r);
chg=1;
}
}
else
{
if(spl[0].contains(l+r))
{
spl[0].erase(l+r);
chg=1;
}
}
if(chg)
{
if(l>1)mods[tim+1].emplace_back(l-1,r,2);
mods[tim+1].emplace_back(l,r+1,2);
mods[tim+2].emplace_back(l-1,r+1,2);
}
}
}
else
{
for(auto [l,r,ty]:vecm)
{
int chg=0;
if(ty==2)
{
if(not spl[0].contains(l+r-1) or not spl[0].contains(l+1+r))
ty=1;
else
ty=0;
}
// cerr<<"modify "<<l<<' '<<r<<' '<<ty<<endl;
if(ty==0)
{
if(not spl[1].contains(l+r))
{
spl[1].insert(l+r);
chg=1;
}
}
else
{
if(spl[1].contains(l+r))
{
spl[1].erase(l+r);
chg=1;
}
}
if(chg)
{
if(l>1)mods[tim+1].emplace_back(l-1,r,2);
mods[tim+1].emplace_back(l,r+1,2);
}
}
}
mods.erase(mods.begin());
}
else
{
for(const auto &[l,r,id]:vecq)
{
if(tiq%2==0)
{
ans[id]=spl[0].contains(l+r);
}
else
{
ans[id]=not spl[1].contains(l+r);
}
}
qs.erase(qs.begin());
}
}
for(int i=1;i<=q;i++)cout<<ans[i];
cout<<"\n";
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3572kb
input:
1 5 10 1 2 0 3 3 1 3 4 1 2 4 1 1 3 0 1 2 1 3 1 4 1 5 2 3 2 4 2 5 3 4 3 5 4 5
output:
0010111101
result:
ok single line: '0010111101'
Test #2:
score: 0
Accepted
time: 453ms
memory: 19468kb
input:
1004 100000 100000 500000000 500000000 1 500000000 500000002 1 500000000 500000004 1 500000000 500000006 0 500000000 500000008 1 500000000 500000010 0 500000000 500000012 0 500000000 500000014 1 500000000 500000016 0 500000000 500000018 1 500000000 500000020 0 500000000 500000022 1 500000000 5000000...
output:
000001100000000111001010000111001111110010000101100101101000101010101010000100100100101010011011110110001100000000100101000000000000000101000000000010100110110101000001000111110000100010110000100111110101101010011000000100000000001001011011101000100000011000111111100010001111010001000010001110001110...
result:
ok 1004 lines