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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#136642 | #238. Distinct Values | PlentyOfPenalty# | 100 ✓ | 362ms | 23180kb | C++20 | 1.8kb | 2023-08-09 09:37:38 | 2023-08-09 09:37:42 |
Judging History
answer
#include "bits/stdc++.h"
typedef unsigned un;
typedef long long ll;
const int MAXN = 200011;
int n,m;
struct Segment_Tree
{
#define rt t[num]
#define tl t[num<<1]
#define tr t[num<<1|1]
int t[MAXN<<2|1];
void set(un pos,int val,un l=1,un r=n,un num=1)
{
if(l==r){rt=val;return;}
un mid=(l+r)>>1;
if(pos<=mid)set(pos,val,l,mid,num<<1);
else set(pos,val,mid+1,r,num<<1|1);
rt=tl+tr;
}
void modify(un pos,int val,un l=1,un r=n,un num=1)
{
if(l==r){rt+=val;return;}
un mid=(l+r)>>1;
if(pos<=mid)modify(pos,val,l,mid,num<<1);
else modify(pos,val,mid+1,r,num<<1|1);
rt=tl+tr;
}
int query(un l=1,un r=n,un num=1)
{
if(l==r)return l;
un mid=(l+r)>>1;
if(tl)return query(l,mid,num<<1);
else return query(mid+1,r,num<<1|1);
}
}sgt;
std::vector<int>ins[MAXN],del[MAXN];
std::multiset<int>S;
int a[MAXN];
int main()
{
std::ios::sync_with_stdio(0),std::cin.tie(0);
int task;std::cin>>task;
while(task--)
{
//puts("New:");
std::cin>>n>>m;
while(m--)
{
int l,r;std::cin>>l>>r;
ins[l].emplace_back(l),del[r+1].emplace_back(l);
}
for(int i=1;i<=n;++i)sgt.set(i,1);
int it=0;
for(int i=1;i<=n;++i)
{
// printf("i=%d:",i);
for(auto p:ins[i])S.insert(p);//,printf("ins %d\n",p);
for(auto p:del[i])S.erase(S.find(p));//,printf("del %d\n",p);
if(S.empty())
{
while(it+1<i)sgt.modify(a[++it],1);
//printf("fir,it=%d\n",it);
}
else
{
//printf("it=%d,*s=%d\n",it,*S.begin());
while(it+1<*S.begin())sgt.modify(a[++it],1);
//printf("sec,it=%d\n",it);
}
a[i]=sgt.query();
//printf("A[%d]=%d\n",i,a[i]);
sgt.modify(a[i],-1);
}
for(auto p:del[n+1])S.erase(S.find(p));
for(int i=1;i<=n;++i)printf("%d ",a[i]);
puts("");
for(int i=0;i<=n+1;++i)ins[i].clear(),del[i].clear();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 362ms
memory: 23180kb
input:
11116 10 2 5 5 5 6 10 1 7 10 10 1 2 6 10 1 2 5 10 1 6 7 10 2 8 9 7 10 10 2 1 4 6 10 10 4 8 8 10 10 3 6 1 5 10 3 8 8 10 10 8 10 10 4 6 10 1 5 2 6 1 2 10 3 4 4 4 8 4 8 10 4 1 5 1 2 5 5 2 4 10 4 2 5 9 10 6 7 2 4 10 1 5 6 10 4 10 10 8 10 2 5 10 10 10 1 1 2 10 4 7 8 5 6 7 9 10 10 10 4 3 7 6 6 8 10 3 4 10...
output:
1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 3 4 1 1 2 3 4 5 1 1 1 1 1 1 2 3 4 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 3 4 1 2 3 4 1 1 2 3 4 5 1 2 3 4 5 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 1 2 3 4 5 1 2 3 4 5 1 1 1 1 2 3 4 5 1 1 1 2 3 4 5 1 1 1 1 1 1 1 2 3 4 1 2 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 2 ...
result:
ok 11116 lines