oj.uz

Submission #551120

# Submission time Handle Problem Language Result Execution time Memory
551120 2022-04-19T22:19:09 Z inksamurai Reconstruction Project (JOI22_reconstruction) C++17
7 / 100
 5000 ms 32692 KB 
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,x,n) for(int i=x;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3xxEYjy ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

struct dsu{
	int n,cmps;
	vector<int> par,siz;
	dsu(int m){init(m);}
	void init(int m){
		n=m;
		cmps=m;
		par.resize(n,0);
		siz.resize(n,0);
		for(int i=0;i<n;i++){
			par[i]=i;
			siz[i]=1;
		}
	}
	void merge(int v,int u){
		v=parent(v),u=parent(u);
		if(v==u)return;
		cmps--;
		if(siz[v]<siz[u])swap(v,u);
		siz[v]+=siz[u];
		par[u]=v;
	}
	int parent(int v){
		return par[v]==v?v:parent(par[v]);
	}
	bool same(int v, int u){
		return parent(v)==parent(u);
	}
	int size(int v=-1){
		return (v==-1?cmps:siz[parent(v)]);
	}
};

signed main(){
_3xxEYjy;
	int n,m;
	cin>>n>>m;
	using fpii=pair<pii,pii>;
	vec(fpii) edges;
	rep(i,m){
		int u,v,w;
		cin>>u>>v>>w;
		u-=1,v-=1;
		edges.pb({{w,i},{u,v}});
	}
	int q;
	cin>>q;
	vi qry;
	rep(i,q){
		int x;
		cin>>x;
		qry.pb(x);
	}

	dsu uf(0);
	vi usd(m,0);
	vi now;
	vi ids;
	vi psum;
	auto mst=[&](int x,int t=0)->bool{
		sort(edges.begin(),edges.end(),[&](fpii l,fpii r){
			return abs(l.fi.fi-x)<abs(r.fi.fi-x);
		});
		uf.init(n);
		for(auto e:edges){
			if(uf.same(e.se.fi,e.se.se)) continue;
			if(!t){
				if(usd[e.fi.se]==0){
					return 0;
				}
			}else{
				usd[e.fi.se]=1;
				ids.pb(e.fi.se);
				now.pb(e.fi.fi);
			}
			uf.merge(e.se.fi,e.se.se);
		}
		if(t){
			sort(now.begin(),now.end());
			for(auto w:now){
				psum.pb((sz(psum)?psum.back():0)+w);
			}
		}
		return 1;
	};

	auto eval=[&](int x){
		int j=prev(upper_bound(now.begin(),now.end(),x))-now.begin();
		int sugim=0;
		if(j>=0){
			sugim+=(j+1)*x-psum[j];
		}
		if(j+1<sz(psum)){
			sugim+=(psum.back()-(j<0?0:psum[j])-(sz(psum)-j-1)*x);
		}
		return sugim;
	};

	vi pns;
	int here=0;
	rep(i,q){
		if(!i){
			mst(qry[i],1);
			pns.pb(eval(qry[i]));
		}else{
			here+=1;
			assert(here<=5*m);
			for(auto j:ids){
				usd[j]=0;
			}
			ids.clear();
			now.clear();
			psum.clear();
			mst(qry[i],1);
			int l=i,r=q-1,c=i;
			while(l<=r){
				int m=(l+r)>>1;
				if(mst(qry[m])){
					c=m;
					l=m+1;
				}else{
					r=m-1;
				}
			}
			for(int j=i;j<=c;j++){
				pns.pb(eval(qry[j]));
			}
			i=c;
		}
	}
	rep(i,q){
		cout<<pns[i]<<"\n";
	}
//	
	return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 226 ms 4560 KB Output is correct
21 Correct 237 ms 4496 KB Output is correct
22 Correct 228 ms 4556 KB Output is correct
23 Correct 242 ms 4460 KB Output is correct
24 Correct 233 ms 4468 KB Output is correct
25 Correct 227 ms 4556 KB Output is correct
26 Correct 266 ms 4572 KB Output is correct
27 Correct 239 ms 4556 KB Output is correct
28 Correct 159 ms 4520 KB Output is correct
29 Correct 123 ms 4660 KB Output is correct
30 Correct 206 ms 4532 KB Output is correct
31 Correct 256 ms 4556 KB Output is correct
32 Correct 235 ms 4556 KB Output is correct
33 Correct 205 ms 4528 KB Output is correct
34 Correct 148 ms 4556 KB Output is correct
35 Correct 66 ms 4568 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Execution timed out 5076 ms 12092 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 614 ms 28536 KB Output is correct
21 Correct 586 ms 28584 KB Output is correct
22 Correct 602 ms 28592 KB Output is correct
23 Correct 589 ms 28580 KB Output is correct
24 Correct 610 ms 28388 KB Output is correct
25 Correct 636 ms 28428 KB Output is correct
26 Runtime error 3490 ms 32692 KB Execution killed with signal 6
27 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 226 ms 4560 KB Output is correct
21 Correct 237 ms 4496 KB Output is correct
22 Correct 228 ms 4556 KB Output is correct
23 Correct 242 ms 4460 KB Output is correct
24 Correct 233 ms 4468 KB Output is correct
25 Correct 227 ms 4556 KB Output is correct
26 Correct 266 ms 4572 KB Output is correct
27 Correct 239 ms 4556 KB Output is correct
28 Correct 159 ms 4520 KB Output is correct
29 Correct 123 ms 4660 KB Output is correct
30 Correct 206 ms 4532 KB Output is correct
31 Correct 256 ms 4556 KB Output is correct
32 Correct 235 ms 4556 KB Output is correct
33 Correct 205 ms 4528 KB Output is correct
34 Correct 148 ms 4556 KB Output is correct
35 Correct 66 ms 4568 KB Output is correct
36 Execution timed out 5068 ms 4556 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 226 ms 4560 KB Output is correct
21 Correct 237 ms 4496 KB Output is correct
22 Correct 228 ms 4556 KB Output is correct
23 Correct 242 ms 4460 KB Output is correct
24 Correct 233 ms 4468 KB Output is correct
25 Correct 227 ms 4556 KB Output is correct
26 Correct 266 ms 4572 KB Output is correct
27 Correct 239 ms 4556 KB Output is correct
28 Correct 159 ms 4520 KB Output is correct
29 Correct 123 ms 4660 KB Output is correct
30 Correct 206 ms 4532 KB Output is correct
31 Correct 256 ms 4556 KB Output is correct
32 Correct 235 ms 4556 KB Output is correct
33 Correct 205 ms 4528 KB Output is correct
34 Correct 148 ms 4556 KB Output is correct
35 Correct 66 ms 4568 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Execution timed out 5076 ms 12092 KB Time limit exceeded
40 Halted 0 ms 0 KB -