This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const long long MX=2e5+10;
vector < pair < long long , pair < long long , long long > > > zap[MX];
long long a[MX],ans[MX],fen[MX],n,q;
long long get_real_in(long long in)
{
return (n-in+1);
}
long long fget(long long in)
{
in=get_real_in(in);
long long ans=0;
while(in>0)
{
ans=max(ans,fen[in]);
in=(in&(in+1))-1;
}
return ans;
}
void upd(long long in,long long zn)
{
in=get_real_in(in);
while(in<=n)
{
fen[in]=max(fen[in],zn);
in=(in|(in+1));
}
}
int main()
{
cin>>n>>q;
for(long long i=1;i<=n;i++)
{
cin>>a[i];
}
for(long long i=1;i<=q;i++)
{
long long l,r,w;
cin>>l>>r>>w;
zap[r].push_back({l,{w,i}});
}
stack < long long > st; // pos
for(long long i=1;i<=n;i++)
{
while(!st.empty())
{
if(a[st.top()]<=a[i])
{
st.pop();
}
else
{
break;
}
}
if(!st.empty())
{
long long pos=st.top();
upd(pos,a[pos]+a[i]);
}
for(auto u:zap[i])
{
ans[u.second.second]=(fget(u.first)<=u.second.first);
}
st.push(i);
}
for(long long i=1;i<=q;i++)
{
cout<<ans[i]<<"\n";
}
return 0;
}
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