oj.uz

Submission #551471

# Submission time Handle Problem Language Result Execution time Memory
551471 2022-04-20T19:15:46 Z inksamurai Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 2119 ms 34328 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;
	vi par,siz;
	dsu(int m=0){init(m);}
	void init(int m){
		n=m,cmps=m;
		par=siz=vi(n,0);
		rep(i,n){
			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 tpii=pair<int,pii>;
	vec(tpii) edges;
	rep(i,m){
		int u,v,w;
		cin>>u>>v>>w;
		u-=1,v-=1;
		edges.pb({w,{u,v}});
	}
	sort(edges.begin(),edges.end());

	const int inf=1e10;
	vec(tpii) evts;
	rep(i,m){
		dsu uf(n);
		int r=inf;
		rng(j,i+1,m){
			uf.merge(edges[j].se.fi,edges[j].se.se);
			if(uf.same(edges[i].se.fi,edges[i].se.se)){
				r=edges[j].fi;
				break;
			}
		}
		uf.init(n);
		int l=-inf;
		per(j,i){
			uf.merge(edges[j].se.fi,edges[j].se.se);
			if(uf.same(edges[i].se.fi,edges[i].se.se)){
				l=edges[j].fi;
				break;
			}
		}
		int w=edges[i].fi;
		evts.pb({l==-inf?-1:(l+w)/2+(l+w)%2,{-1,+w}});
		evts.pb({w,{+2,-2ll*w}});
		evts.pb({r==inf?inf:(r+w)/2+(r+w)%2,{-1,+w}});
	}
	sort(evts.begin(),evts.end(),[&](tpii l,tpii r){
		if(l.fi!=r.fi){
			return l.fi<r.fi;
		}else{
			return l.se.fi<r.se.fi;
		}
	});

	int q;
	cin>>q;
	int i=-1;
	pii p={0,0};
	rep(_,q){
		int x;
		cin>>x;
		while(i+1<sz(evts) and evts[i+1].fi<=x){
			i+=1;
			// print(evts[i].fi,evts[i].se.fi,evts[i].se.se);
			p.fi+=evts[i].se.fi;
			p.se+=evts[i].se.se;
		}
		// print(p.fi,p.se);
		cout<<p.fi*x+p.se<<"\n";
		// break;
	}
//	
	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 0 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 0 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1964 ms 15216 KB Output is correct
21 Correct 1253 ms 15148 KB Output is correct
22 Correct 1369 ms 15124 KB Output is correct
23 Correct 1545 ms 15128 KB Output is correct
24 Correct 1871 ms 15172 KB Output is correct
25 Correct 1981 ms 15272 KB Output is correct
26 Correct 1942 ms 15136 KB Output is correct
27 Correct 1956 ms 15128 KB Output is correct
28 Correct 1915 ms 15188 KB Output is correct
29 Correct 843 ms 15180 KB Output is correct
30 Correct 1943 ms 15108 KB Output is correct
31 Correct 1927 ms 15040 KB Output is correct
32 Correct 1939 ms 15080 KB Output is correct
33 Correct 1929 ms 15152 KB Output is correct
34 Correct 622 ms 15068 KB Output is correct
35 Correct 1932 ms 15124 KB Output is correct

Subtask #3
7.0 / 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 Correct 1718 ms 21708 KB Output is correct
5 Correct 1676 ms 31700 KB Output is correct
6 Correct 1667 ms 31648 KB Output is correct
7 Correct 839 ms 33952 KB Output is correct
8 Correct 613 ms 34040 KB Output is correct
9 Correct 535 ms 34328 KB Output is correct
10 Correct 1673 ms 32340 KB Output is correct
11 Correct 584 ms 34212 KB Output is correct

Subtask #4
28.0 / 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 0 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 185 ms 12748 KB Output is correct
21 Correct 180 ms 12876 KB Output is correct
22 Correct 179 ms 12792 KB Output is correct
23 Correct 183 ms 12928 KB Output is correct
24 Correct 182 ms 12876 KB Output is correct
25 Correct 189 ms 12720 KB Output is correct
26 Correct 180 ms 12708 KB Output is correct
27 Correct 180 ms 12748 KB Output is correct
28 Correct 180 ms 12716 KB Output is correct
29 Correct 177 ms 12712 KB Output is correct
30 Correct 175 ms 12752 KB Output is correct
31 Correct 176 ms 12732 KB Output is correct
32 Correct 175 ms 13392 KB Output is correct
33 Correct 178 ms 12656 KB Output is correct

Subtask #5
35.0 / 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 0 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1964 ms 15216 KB Output is correct
21 Correct 1253 ms 15148 KB Output is correct
22 Correct 1369 ms 15124 KB Output is correct
23 Correct 1545 ms 15128 KB Output is correct
24 Correct 1871 ms 15172 KB Output is correct
25 Correct 1981 ms 15272 KB Output is correct
26 Correct 1942 ms 15136 KB Output is correct
27 Correct 1956 ms 15128 KB Output is correct
28 Correct 1915 ms 15188 KB Output is correct
29 Correct 843 ms 15180 KB Output is correct
30 Correct 1943 ms 15108 KB Output is correct
31 Correct 1927 ms 15040 KB Output is correct
32 Correct 1939 ms 15080 KB Output is correct
33 Correct 1929 ms 15152 KB Output is correct
34 Correct 622 ms 15068 KB Output is correct
35 Correct 1932 ms 15124 KB Output is correct
36 Correct 1952 ms 15388 KB Output is correct
37 Correct 1263 ms 15236 KB Output is correct
38 Correct 1381 ms 15272 KB Output is correct
39 Correct 1533 ms 15080 KB Output is correct
40 Correct 1877 ms 15076 KB Output is correct
41 Correct 1976 ms 15144 KB Output is correct
42 Correct 1969 ms 15088 KB Output is correct
43 Correct 1988 ms 15048 KB Output is correct
44 Correct 1901 ms 15124 KB Output is correct
45 Correct 829 ms 15272 KB Output is correct
46 Correct 1957 ms 15160 KB Output is correct
47 Correct 1932 ms 15056 KB Output is correct
48 Correct 1940 ms 15212 KB Output is correct
49 Correct 1955 ms 15368 KB Output is correct
50 Correct 613 ms 15164 KB Output is correct
51 Correct 1939 ms 15416 KB Output is correct

Subtask #6
23.0 / 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 0 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 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1964 ms 15216 KB Output is correct
21 Correct 1253 ms 15148 KB Output is correct
22 Correct 1369 ms 15124 KB Output is correct
23 Correct 1545 ms 15128 KB Output is correct
24 Correct 1871 ms 15172 KB Output is correct
25 Correct 1981 ms 15272 KB Output is correct
26 Correct 1942 ms 15136 KB Output is correct
27 Correct 1956 ms 15128 KB Output is correct
28 Correct 1915 ms 15188 KB Output is correct
29 Correct 843 ms 15180 KB Output is correct
30 Correct 1943 ms 15108 KB Output is correct
31 Correct 1927 ms 15040 KB Output is correct
32 Correct 1939 ms 15080 KB Output is correct
33 Correct 1929 ms 15152 KB Output is correct
34 Correct 622 ms 15068 KB Output is correct
35 Correct 1932 ms 15124 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 Correct 1718 ms 21708 KB Output is correct
40 Correct 1676 ms 31700 KB Output is correct
41 Correct 1667 ms 31648 KB Output is correct
42 Correct 839 ms 33952 KB Output is correct
43 Correct 613 ms 34040 KB Output is correct
44 Correct 535 ms 34328 KB Output is correct
45 Correct 1673 ms 32340 KB Output is correct
46 Correct 584 ms 34212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 185 ms 12748 KB Output is correct
49 Correct 180 ms 12876 KB Output is correct
50 Correct 179 ms 12792 KB Output is correct
51 Correct 183 ms 12928 KB Output is correct
52 Correct 182 ms 12876 KB Output is correct
53 Correct 189 ms 12720 KB Output is correct
54 Correct 180 ms 12708 KB Output is correct
55 Correct 180 ms 12748 KB Output is correct
56 Correct 180 ms 12716 KB Output is correct
57 Correct 177 ms 12712 KB Output is correct
58 Correct 175 ms 12752 KB Output is correct
59 Correct 176 ms 12732 KB Output is correct
60 Correct 175 ms 13392 KB Output is correct
61 Correct 178 ms 12656 KB Output is correct
62 Correct 1952 ms 15388 KB Output is correct
63 Correct 1263 ms 15236 KB Output is correct
64 Correct 1381 ms 15272 KB Output is correct
65 Correct 1533 ms 15080 KB Output is correct
66 Correct 1877 ms 15076 KB Output is correct
67 Correct 1976 ms 15144 KB Output is correct
68 Correct 1969 ms 15088 KB Output is correct
69 Correct 1988 ms 15048 KB Output is correct
70 Correct 1901 ms 15124 KB Output is correct
71 Correct 829 ms 15272 KB Output is correct
72 Correct 1957 ms 15160 KB Output is correct
73 Correct 1932 ms 15056 KB Output is correct
74 Correct 1940 ms 15212 KB Output is correct
75 Correct 1955 ms 15368 KB Output is correct
76 Correct 613 ms 15164 KB Output is correct
77 Correct 1939 ms 15416 KB Output is correct
78 Correct 2108 ms 23312 KB Output is correct
79 Correct 1400 ms 30840 KB Output is correct
80 Correct 1566 ms 32236 KB Output is correct
81 Correct 1697 ms 32100 KB Output is correct
82 Correct 2023 ms 31228 KB Output is correct
83 Correct 2119 ms 23808 KB Output is correct
84 Correct 2086 ms 19864 KB Output is correct
85 Correct 2116 ms 19996 KB Output is correct
86 Correct 2079 ms 20120 KB Output is correct
87 Correct 1006 ms 21588 KB Output is correct
88 Correct 2092 ms 19924 KB Output is correct
89 Correct 2095 ms 20196 KB Output is correct
90 Correct 2090 ms 19944 KB Output is correct
91 Correct 2116 ms 19956 KB Output is correct
92 Correct 766 ms 22772 KB Output is correct
93 Correct 2091 ms 20936 KB Output is correct