oj.uz

답안 #712411

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
712411 2023-03-18T18:33:44 Z Antekb Construction of Highway (JOI18_construction) C++17
16 / 100
 2000 ms 31364 KB 
#include<bits/stdc++.h>

#define st first
#define nd second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define pp pop_back
#define all(x) (x).begin(), (x).end()

using namespace std;

void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){
	cerr<<h;
	if(sizeof...(t))cerr<<", ";
	debug(t...);
}
#define deb(x...) cerr<<#x<<" = ";debug(x);

using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vii = vector<pii>;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

const int N=1<<17;
vi E[N];
int pre[N], sz[N], par[N], sci[N], dep[N], val[N], co[N];
int wsk;
void dfs_sz(int v){
	for(int u:E[v]){
		if(u!=par[v]){
			par[u]=v;
			dep[u]=dep[v]+1;
			dfs_sz(u);
			sz[v]+=sz[u];
		}
	}
	sz[v]+=1;
	for(int &u:E[v])if(u==par[v])swap(u, E[v].back());
	if(v!=1)E[v].pp();
	for(int &u:E[v])if(sz[u]>sz[E[v][0]])swap(u, E[v][0]);
	//deb(v, E[v].size());
}
void dfs(int v){
	co[wsk]=v;
	pre[v]=wsk++;
	for(int u:E[v]){
		//deb(v, u);
		if(u==E[v][0])sci[wsk]=sci[pre[v]];
		else{
			sci[wsk]=wsk;
			//deb(v, wsk);
		}
		dfs(u);
	}
}
set<int> S[N];
int sum[N+N];
int add(int v, int c){
	int ans=0;
	for(v+=N; v; v>>=1){
		sum[v]+=c;
		if(!(v&1)){
			ans+=sum[v+1];
		}
	}
	return ans;
}
ll calc(int v){
	vector<pair<int, int> > V;
	v=pre[v];
	int t=val[v];
	bool czy=1;
	while(true){
		int u=sci[v];
		//deb(v, u, S[u].size());
		if(S[u].size()){
			//deb(*S[u].begin());
		}
		vector<pair<int, int> > V2;
		int prv=u-1;
		while(prv<v-czy){
			//deb("a");
			//assert(S[u].size());
			int a=*S[u].begin();
			if(a>v-czy){
				V2.eb(v-czy-prv, val[a]);
			}
			else{
				V2.eb(a-prv, val[a]);
				S[u].erase(a);
			}
			prv=a;
		}
		reverse(all(V2));
		for(pii &i:V2)V.pb(i);
		S[u].insert(v);
		val[v]=t;
		if(u==0)break;
		v=pre[par[co[u]]];
		czy=0;
	}
	reverse(all(V));
	//deb(V.size());
	for(pii i:V){
		//deb(i.st, i.nd);
	}
	ll ans=0;
	/*for(int i=0; i<V.size(); i++){
		ans+=add(V[i].nd, V[i].st);
	}
	for(int i=0; i<V.size(); i++){
		add(V[i].nd, -V[i].st);
	}*/
	for(int i=0; i<V.size(); i++){
		for(int j=0; j<i; j++){
			if(V[j].nd>V[i].nd)ans+=V[j].st*1ll*V[i].st;
		}
	}
	return ans;
}
int main(){
	//ios_base::sync_with_stdio(0);cin.tie(0);
	int n;
	cin>>n;
	map<int, int> M;
	vi V(n);
	for(int &i:V)cin>>i, M[i]=1;
	int wsk2=1;
	for(auto &i:M){
		i.nd=wsk2++;
	}
	vector<pii> edg(n-1);
	for(pii &i:edg)cin>>i.st>>i.nd, E[i.st].pb(i.nd), E[i.nd].pb(i.st);
	dfs_sz(1);
	dfs(1);
	for(int i=1; i<=n; i++){
		//deb(i, pre[i], par[i], val[i], sci[pre[i]], sz[i]);
	}
	S[0].insert(0);
	for(int i=1; i<=n; i++){
		val[pre[i]]=M[V[i-1]];
	}
	for(pii i:edg){
		cout<<calc(i.nd)<<"\n";
	}
}

Compilation message

construction.cpp: In function 'll calc(int)':
construction.cpp:108:10: warning: variable 'i' set but not used [-Wunused-but-set-variable]
  108 |  for(pii i:V){
      |          ^
construction.cpp:118:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |  for(int i=0; i<V.size(); i++){
      |               ~^~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9556 KB Output is correct
2 Correct 7 ms 9556 KB Output is correct
3 Correct 6 ms 9556 KB Output is correct
4 Correct 6 ms 9556 KB Output is correct
5 Correct 7 ms 9596 KB Output is correct
6 Correct 6 ms 9556 KB Output is correct
7 Correct 6 ms 9628 KB Output is correct
8 Correct 8 ms 9556 KB Output is correct
9 Correct 7 ms 9636 KB Output is correct
10 Correct 6 ms 9556 KB Output is correct
11 Correct 8 ms 9664 KB Output is correct
12 Correct 6 ms 9556 KB Output is correct
13 Correct 7 ms 9564 KB Output is correct
14 Correct 6 ms 9560 KB Output is correct
15 Correct 8 ms 9680 KB Output is correct
16 Correct 6 ms 9556 KB Output is correct
17 Correct 6 ms 9556 KB Output is correct
18 Correct 6 ms 9556 KB Output is correct
19 Correct 5 ms 9556 KB Output is correct
20 Correct 6 ms 9556 KB Output is correct
21 Correct 7 ms 9560 KB Output is correct
22 Correct 8 ms 9556 KB Output is correct
23 Correct 9 ms 9556 KB Output is correct
24 Correct 7 ms 9556 KB Output is correct
25 Correct 9 ms 9556 KB Output is correct
26 Correct 7 ms 9548 KB Output is correct
27 Correct 8 ms 9556 KB Output is correct
28 Correct 7 ms 9560 KB Output is correct
29 Correct 6 ms 9556 KB Output is correct
30 Correct 7 ms 9556 KB Output is correct
31 Correct 8 ms 9556 KB Output is correct
32 Correct 7 ms 9560 KB Output is correct
33 Correct 7 ms 9564 KB Output is correct
34 Correct 9 ms 9556 KB Output is correct
35 Correct 9 ms 9556 KB Output is correct
36 Correct 9 ms 9560 KB Output is correct
37 Correct 8 ms 9556 KB Output is correct
38 Correct 6 ms 9556 KB Output is correct
39 Correct 7 ms 9552 KB Output is correct
40 Correct 7 ms 9568 KB Output is correct
41 Correct 7 ms 9556 KB Output is correct
42 Correct 7 ms 9560 KB Output is correct
43 Correct 6 ms 9556 KB Output is correct
44 Correct 8 ms 9560 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9556 KB Output is correct
2 Correct 7 ms 9556 KB Output is correct
3 Correct 6 ms 9556 KB Output is correct
4 Correct 6 ms 9556 KB Output is correct
5 Correct 7 ms 9596 KB Output is correct
6 Correct 6 ms 9556 KB Output is correct
7 Correct 6 ms 9628 KB Output is correct
8 Correct 8 ms 9556 KB Output is correct
9 Correct 7 ms 9636 KB Output is correct
10 Correct 6 ms 9556 KB Output is correct
11 Correct 8 ms 9664 KB Output is correct
12 Correct 6 ms 9556 KB Output is correct
13 Correct 7 ms 9564 KB Output is correct
14 Correct 6 ms 9560 KB Output is correct
15 Correct 8 ms 9680 KB Output is correct
16 Correct 6 ms 9556 KB Output is correct
17 Correct 6 ms 9556 KB Output is correct
18 Correct 6 ms 9556 KB Output is correct
19 Correct 5 ms 9556 KB Output is correct
20 Correct 6 ms 9556 KB Output is correct
21 Correct 7 ms 9560 KB Output is correct
22 Correct 8 ms 9556 KB Output is correct
23 Correct 9 ms 9556 KB Output is correct
24 Correct 7 ms 9556 KB Output is correct
25 Correct 9 ms 9556 KB Output is correct
26 Correct 7 ms 9548 KB Output is correct
27 Correct 8 ms 9556 KB Output is correct
28 Correct 7 ms 9560 KB Output is correct
29 Correct 6 ms 9556 KB Output is correct
30 Correct 7 ms 9556 KB Output is correct
31 Correct 8 ms 9556 KB Output is correct
32 Correct 7 ms 9560 KB Output is correct
33 Correct 7 ms 9564 KB Output is correct
34 Correct 9 ms 9556 KB Output is correct
35 Correct 9 ms 9556 KB Output is correct
36 Correct 9 ms 9560 KB Output is correct
37 Correct 8 ms 9556 KB Output is correct
38 Correct 6 ms 9556 KB Output is correct
39 Correct 7 ms 9552 KB Output is correct
40 Correct 7 ms 9568 KB Output is correct
41 Correct 7 ms 9556 KB Output is correct
42 Correct 7 ms 9560 KB Output is correct
43 Correct 6 ms 9556 KB Output is correct
44 Correct 8 ms 9560 KB Output is correct
45 Correct 7 ms 9736 KB Output is correct
46 Correct 14 ms 10140 KB Output is correct
47 Correct 15 ms 10196 KB Output is correct
48 Correct 17 ms 10324 KB Output is correct
49 Correct 13 ms 10332 KB Output is correct
50 Correct 11 ms 10404 KB Output is correct
51 Correct 11 ms 10324 KB Output is correct
52 Correct 14 ms 10452 KB Output is correct
53 Correct 18 ms 10452 KB Output is correct
54 Correct 20 ms 10420 KB Output is correct
55 Correct 24 ms 10544 KB Output is correct
56 Correct 17 ms 10324 KB Output is correct
57 Correct 16 ms 10244 KB Output is correct
58 Correct 20 ms 10188 KB Output is correct
59 Correct 16 ms 10188 KB Output is correct
60 Correct 15 ms 10208 KB Output is correct
61 Correct 16 ms 10328 KB Output is correct
62 Correct 12 ms 10332 KB Output is correct
63 Correct 12 ms 10316 KB Output is correct
64 Correct 16 ms 9940 KB Output is correct
65 Correct 13 ms 9952 KB Output is correct
66 Correct 15 ms 9988 KB Output is correct
67 Correct 13 ms 10072 KB Output is correct
68 Correct 11 ms 10196 KB Output is correct
69 Correct 12 ms 10368 KB Output is correct
70 Correct 14 ms 10196 KB Output is correct
71 Correct 9 ms 10076 KB Output is correct
72 Correct 14 ms 10196 KB Output is correct
73 Correct 13 ms 10004 KB Output is correct
74 Correct 16 ms 10076 KB Output is correct
75 Correct 12 ms 10196 KB Output is correct
76 Correct 13 ms 10196 KB Output is correct
77 Correct 12 ms 10200 KB Output is correct
78 Correct 11 ms 10068 KB Output is correct
79 Correct 9 ms 10068 KB Output is correct
80 Correct 10 ms 9952 KB Output is correct
81 Correct 11 ms 10196 KB Output is correct
82 Correct 15 ms 10212 KB Output is correct
83 Correct 11 ms 10196 KB Output is correct
84 Correct 10 ms 10028 KB Output is correct
85 Correct 10 ms 10032 KB Output is correct
86 Correct 10 ms 9940 KB Output is correct

Subtask #3
0 / 84.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9556 KB Output is correct
2 Correct 7 ms 9556 KB Output is correct
3 Correct 6 ms 9556 KB Output is correct
4 Correct 6 ms 9556 KB Output is correct
5 Correct 7 ms 9596 KB Output is correct
6 Correct 6 ms 9556 KB Output is correct
7 Correct 6 ms 9628 KB Output is correct
8 Correct 8 ms 9556 KB Output is correct
9 Correct 7 ms 9636 KB Output is correct
10 Correct 6 ms 9556 KB Output is correct
11 Correct 8 ms 9664 KB Output is correct
12 Correct 6 ms 9556 KB Output is correct
13 Correct 7 ms 9564 KB Output is correct
14 Correct 6 ms 9560 KB Output is correct
15 Correct 8 ms 9680 KB Output is correct
16 Correct 6 ms 9556 KB Output is correct
17 Correct 6 ms 9556 KB Output is correct
18 Correct 6 ms 9556 KB Output is correct
19 Correct 5 ms 9556 KB Output is correct
20 Correct 6 ms 9556 KB Output is correct
21 Correct 7 ms 9560 KB Output is correct
22 Correct 8 ms 9556 KB Output is correct
23 Correct 9 ms 9556 KB Output is correct
24 Correct 7 ms 9556 KB Output is correct
25 Correct 9 ms 9556 KB Output is correct
26 Correct 7 ms 9548 KB Output is correct
27 Correct 8 ms 9556 KB Output is correct
28 Correct 7 ms 9560 KB Output is correct
29 Correct 6 ms 9556 KB Output is correct
30 Correct 7 ms 9556 KB Output is correct
31 Correct 8 ms 9556 KB Output is correct
32 Correct 7 ms 9560 KB Output is correct
33 Correct 7 ms 9564 KB Output is correct
34 Correct 9 ms 9556 KB Output is correct
35 Correct 9 ms 9556 KB Output is correct
36 Correct 9 ms 9560 KB Output is correct
37 Correct 8 ms 9556 KB Output is correct
38 Correct 6 ms 9556 KB Output is correct
39 Correct 7 ms 9552 KB Output is correct
40 Correct 7 ms 9568 KB Output is correct
41 Correct 7 ms 9556 KB Output is correct
42 Correct 7 ms 9560 KB Output is correct
43 Correct 6 ms 9556 KB Output is correct
44 Correct 8 ms 9560 KB Output is correct
45 Correct 7 ms 9736 KB Output is correct
46 Correct 14 ms 10140 KB Output is correct
47 Correct 15 ms 10196 KB Output is correct
48 Correct 17 ms 10324 KB Output is correct
49 Correct 13 ms 10332 KB Output is correct
50 Correct 11 ms 10404 KB Output is correct
51 Correct 11 ms 10324 KB Output is correct
52 Correct 14 ms 10452 KB Output is correct
53 Correct 18 ms 10452 KB Output is correct
54 Correct 20 ms 10420 KB Output is correct
55 Correct 24 ms 10544 KB Output is correct
56 Correct 17 ms 10324 KB Output is correct
57 Correct 16 ms 10244 KB Output is correct
58 Correct 20 ms 10188 KB Output is correct
59 Correct 16 ms 10188 KB Output is correct
60 Correct 15 ms 10208 KB Output is correct
61 Correct 16 ms 10328 KB Output is correct
62 Correct 12 ms 10332 KB Output is correct
63 Correct 12 ms 10316 KB Output is correct
64 Correct 16 ms 9940 KB Output is correct
65 Correct 13 ms 9952 KB Output is correct
66 Correct 15 ms 9988 KB Output is correct
67 Correct 13 ms 10072 KB Output is correct
68 Correct 11 ms 10196 KB Output is correct
69 Correct 12 ms 10368 KB Output is correct
70 Correct 14 ms 10196 KB Output is correct
71 Correct 9 ms 10076 KB Output is correct
72 Correct 14 ms 10196 KB Output is correct
73 Correct 13 ms 10004 KB Output is correct
74 Correct 16 ms 10076 KB Output is correct
75 Correct 12 ms 10196 KB Output is correct
76 Correct 13 ms 10196 KB Output is correct
77 Correct 12 ms 10200 KB Output is correct
78 Correct 11 ms 10068 KB Output is correct
79 Correct 9 ms 10068 KB Output is correct
80 Correct 10 ms 9952 KB Output is correct
81 Correct 11 ms 10196 KB Output is correct
82 Correct 15 ms 10212 KB Output is correct
83 Correct 11 ms 10196 KB Output is correct
84 Correct 10 ms 10028 KB Output is correct
85 Correct 10 ms 10032 KB Output is correct
86 Correct 10 ms 9940 KB Output is correct
87 Correct 29 ms 11116 KB Output is correct
88 Correct 86 ms 14016 KB Output is correct
89 Correct 343 ms 24448 KB Output is correct
90 Correct 382 ms 24448 KB Output is correct
91 Correct 327 ms 24468 KB Output is correct
92 Correct 191 ms 29360 KB Output is correct
93 Correct 221 ms 29436 KB Output is correct
94 Correct 185 ms 29388 KB Output is correct
95 Correct 1283 ms 31364 KB Output is correct
96 Execution timed out 2074 ms 31304 KB Time limit exceeded
97 Halted 0 ms 0 KB -