oj.uz

Submission #506127

# Submission time Handle Problem Language Result Execution time Memory
506127 2022-01-11T16:34:27 Z Koosha_mv Construction of Highway (JOI18_construction) C++14
100 / 100
 466 ms 19456 KB 
#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first

const int N=1e5+99;

int n,t,col[N],sz[N],up[N],X[N],Y[N],h[N],par[N];
ll fenwik[N];
vector<int> g[N];
vector<pair<int,int> > res,v[N];

void add(int x, int val){ for(x++;x<N;x+=x&-x) fenwik[x]+=val; }
ll get(int x) { ll res=0; for (x++;x>0;x-=x&-x) res+=fenwik[x]; return res; }

void dfs1(int u){
	int x=-1;
	sz[u]=1;
	f(i,0,g[u].size()){
		int v=g[u][i];
		dfs1(v);
		sz[u]+=sz[v];
		if(x==-1 || sz[v]>sz[g[u][x]]){
			x=i;
		}
	}
	if(x!=-1){
		swap(g[u][0],g[u][x]);
	}
}
void dfs2(int u){
	int t=1;
	for(auto v : g[u]){
		h[v]=h[u]+1;
		if(t){
			up[v]=up[u];
		}
		else{
			up[v]=v;
		}
		dfs2(v);
		t=0;
	}
	v[up[u]].pb({col[u],1});
}
void del(int u,int x,int c){
	vector<pair<int,int> > vec;
	int t=x;
	while(t>0){
		int p=min(t,v[u].back().S);
		v[u].back().S-=p;
		t-=p;
		vec.pb({v[u].back().F,p});
		if(v[u].back().S>0 || t==0) break;
		v[u].pop_back();
	}
	v[u].pb({c,x});
	reverse(all(vec));
	for(auto p : vec){
		res.pb(p);
	}
}
void query(int u,int c){
	while(u>0){
		del(up[u],h[u]-h[up[u]]+1,c);
		u=par[up[u]];
	}
}
void get_ans(){
	ll ans=0;
	res[0].S--;
	for(auto p : res){
		add(p.F,p.S);
		ans+=get(p.F-1)*p.S;
	}
	for(auto p : res){
		add(p.F,-p.S);
	}
	res.clear();
	cout<<ans<<endl;
}

int main(){
	vector<int> vec;
	cin>>n;
	f(i,1,n+1){
		cin>>col[i];
		vec.pb(col[i]);
	}
	sort(all(vec));
	f(i,1,n+1){
		col[i]=lower_bound(all(vec),col[i])-vec.begin()+1;
	}
	f(i,1,n){
		cin>>X[i]>>Y[i];
		par[Y[i]]=X[i];
		g[X[i]].pb(Y[i]);
	}
	up[1]=1;
	dfs1(1);
	dfs2(1);
	f(i,1,n){
		query(Y[i],col[Y[i]]);
		get_ans();
	}
}

Compilation message

construction.cpp: In function 'void dfs1(int)':
construction.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   35 |  f(i,0,g[u].size()){
      |    ~~~~~~~~~~~~~~~             
construction.cpp:35:2: note: in expansion of macro 'f'
   35 |  f(i,0,g[u].size()){
      |  ^

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 4952 KB Output is correct
3 Correct 3 ms 5068 KB Output is correct
4 Correct 3 ms 5068 KB Output is correct
5 Correct 4 ms 5068 KB Output is correct
6 Correct 4 ms 5068 KB Output is correct
7 Correct 4 ms 5068 KB Output is correct
8 Correct 6 ms 5068 KB Output is correct
9 Correct 4 ms 5068 KB Output is correct
10 Correct 3 ms 5036 KB Output is correct
11 Correct 5 ms 5068 KB Output is correct
12 Correct 4 ms 5068 KB Output is correct
13 Correct 4 ms 5068 KB Output is correct
14 Correct 4 ms 5068 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 4 ms 5068 KB Output is correct
17 Correct 5 ms 5068 KB Output is correct
18 Correct 6 ms 5068 KB Output is correct
19 Correct 4 ms 5068 KB Output is correct
20 Correct 4 ms 5008 KB Output is correct
21 Correct 3 ms 5068 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 3 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 3 ms 5068 KB Output is correct
30 Correct 4 ms 4980 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5116 KB Output is correct
33 Correct 4 ms 5108 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5068 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5068 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 3 ms 5068 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 4952 KB Output is correct
3 Correct 3 ms 5068 KB Output is correct
4 Correct 3 ms 5068 KB Output is correct
5 Correct 4 ms 5068 KB Output is correct
6 Correct 4 ms 5068 KB Output is correct
7 Correct 4 ms 5068 KB Output is correct
8 Correct 6 ms 5068 KB Output is correct
9 Correct 4 ms 5068 KB Output is correct
10 Correct 3 ms 5036 KB Output is correct
11 Correct 5 ms 5068 KB Output is correct
12 Correct 4 ms 5068 KB Output is correct
13 Correct 4 ms 5068 KB Output is correct
14 Correct 4 ms 5068 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 4 ms 5068 KB Output is correct
17 Correct 5 ms 5068 KB Output is correct
18 Correct 6 ms 5068 KB Output is correct
19 Correct 4 ms 5068 KB Output is correct
20 Correct 4 ms 5008 KB Output is correct
21 Correct 3 ms 5068 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 3 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 3 ms 5068 KB Output is correct
30 Correct 4 ms 4980 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5116 KB Output is correct
33 Correct 4 ms 5108 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5068 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5068 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 3 ms 5068 KB Output is correct
45 Correct 6 ms 5068 KB Output is correct
46 Correct 21 ms 5324 KB Output is correct
47 Correct 15 ms 5324 KB Output is correct
48 Correct 15 ms 5324 KB Output is correct
49 Correct 13 ms 5580 KB Output is correct
50 Correct 12 ms 5580 KB Output is correct
51 Correct 13 ms 5564 KB Output is correct
52 Correct 12 ms 5452 KB Output is correct
53 Correct 14 ms 5488 KB Output is correct
54 Correct 13 ms 5484 KB Output is correct
55 Correct 13 ms 5528 KB Output is correct
56 Correct 14 ms 5472 KB Output is correct
57 Correct 15 ms 5352 KB Output is correct
58 Correct 17 ms 5392 KB Output is correct
59 Correct 16 ms 5360 KB Output is correct
60 Correct 16 ms 5388 KB Output is correct
61 Correct 12 ms 5400 KB Output is correct
62 Correct 12 ms 5432 KB Output is correct
63 Correct 12 ms 5452 KB Output is correct
64 Correct 13 ms 5376 KB Output is correct
65 Correct 14 ms 5324 KB Output is correct
66 Correct 16 ms 5388 KB Output is correct
67 Correct 19 ms 5380 KB Output is correct
68 Correct 13 ms 5640 KB Output is correct
69 Correct 16 ms 5452 KB Output is correct
70 Correct 12 ms 5452 KB Output is correct
71 Correct 12 ms 5452 KB Output is correct
72 Correct 15 ms 5372 KB Output is correct
73 Correct 14 ms 5284 KB Output is correct
74 Correct 12 ms 5452 KB Output is correct
75 Correct 12 ms 5416 KB Output is correct
76 Correct 12 ms 5400 KB Output is correct
77 Correct 13 ms 5452 KB Output is correct
78 Correct 12 ms 5416 KB Output is correct
79 Correct 13 ms 5408 KB Output is correct
80 Correct 13 ms 5452 KB Output is correct
81 Correct 13 ms 5324 KB Output is correct
82 Correct 14 ms 5404 KB Output is correct
83 Correct 13 ms 5452 KB Output is correct
84 Correct 17 ms 5440 KB Output is correct
85 Correct 14 ms 5432 KB Output is correct
86 Correct 14 ms 5500 KB Output is correct

Subtask #3
84.0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4940 KB Output is correct
2 Correct 3 ms 4952 KB Output is correct
3 Correct 3 ms 5068 KB Output is correct
4 Correct 3 ms 5068 KB Output is correct
5 Correct 4 ms 5068 KB Output is correct
6 Correct 4 ms 5068 KB Output is correct
7 Correct 4 ms 5068 KB Output is correct
8 Correct 6 ms 5068 KB Output is correct
9 Correct 4 ms 5068 KB Output is correct
10 Correct 3 ms 5036 KB Output is correct
11 Correct 5 ms 5068 KB Output is correct
12 Correct 4 ms 5068 KB Output is correct
13 Correct 4 ms 5068 KB Output is correct
14 Correct 4 ms 5068 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 4 ms 5068 KB Output is correct
17 Correct 5 ms 5068 KB Output is correct
18 Correct 6 ms 5068 KB Output is correct
19 Correct 4 ms 5068 KB Output is correct
20 Correct 4 ms 5008 KB Output is correct
21 Correct 3 ms 5068 KB Output is correct
22 Correct 3 ms 5068 KB Output is correct
23 Correct 4 ms 5068 KB Output is correct
24 Correct 4 ms 5068 KB Output is correct
25 Correct 3 ms 5068 KB Output is correct
26 Correct 4 ms 5068 KB Output is correct
27 Correct 4 ms 5068 KB Output is correct
28 Correct 4 ms 5068 KB Output is correct
29 Correct 3 ms 5068 KB Output is correct
30 Correct 4 ms 4980 KB Output is correct
31 Correct 4 ms 5068 KB Output is correct
32 Correct 4 ms 5116 KB Output is correct
33 Correct 4 ms 5108 KB Output is correct
34 Correct 4 ms 5068 KB Output is correct
35 Correct 4 ms 5068 KB Output is correct
36 Correct 4 ms 5068 KB Output is correct
37 Correct 4 ms 5068 KB Output is correct
38 Correct 4 ms 5068 KB Output is correct
39 Correct 4 ms 5068 KB Output is correct
40 Correct 4 ms 5068 KB Output is correct
41 Correct 4 ms 5068 KB Output is correct
42 Correct 4 ms 5068 KB Output is correct
43 Correct 4 ms 5068 KB Output is correct
44 Correct 3 ms 5068 KB Output is correct
45 Correct 6 ms 5068 KB Output is correct
46 Correct 21 ms 5324 KB Output is correct
47 Correct 15 ms 5324 KB Output is correct
48 Correct 15 ms 5324 KB Output is correct
49 Correct 13 ms 5580 KB Output is correct
50 Correct 12 ms 5580 KB Output is correct
51 Correct 13 ms 5564 KB Output is correct
52 Correct 12 ms 5452 KB Output is correct
53 Correct 14 ms 5488 KB Output is correct
54 Correct 13 ms 5484 KB Output is correct
55 Correct 13 ms 5528 KB Output is correct
56 Correct 14 ms 5472 KB Output is correct
57 Correct 15 ms 5352 KB Output is correct
58 Correct 17 ms 5392 KB Output is correct
59 Correct 16 ms 5360 KB Output is correct
60 Correct 16 ms 5388 KB Output is correct
61 Correct 12 ms 5400 KB Output is correct
62 Correct 12 ms 5432 KB Output is correct
63 Correct 12 ms 5452 KB Output is correct
64 Correct 13 ms 5376 KB Output is correct
65 Correct 14 ms 5324 KB Output is correct
66 Correct 16 ms 5388 KB Output is correct
67 Correct 19 ms 5380 KB Output is correct
68 Correct 13 ms 5640 KB Output is correct
69 Correct 16 ms 5452 KB Output is correct
70 Correct 12 ms 5452 KB Output is correct
71 Correct 12 ms 5452 KB Output is correct
72 Correct 15 ms 5372 KB Output is correct
73 Correct 14 ms 5284 KB Output is correct
74 Correct 12 ms 5452 KB Output is correct
75 Correct 12 ms 5416 KB Output is correct
76 Correct 12 ms 5400 KB Output is correct
77 Correct 13 ms 5452 KB Output is correct
78 Correct 12 ms 5416 KB Output is correct
79 Correct 13 ms 5408 KB Output is correct
80 Correct 13 ms 5452 KB Output is correct
81 Correct 13 ms 5324 KB Output is correct
82 Correct 14 ms 5404 KB Output is correct
83 Correct 13 ms 5452 KB Output is correct
84 Correct 17 ms 5440 KB Output is correct
85 Correct 14 ms 5432 KB Output is correct
86 Correct 14 ms 5500 KB Output is correct
87 Correct 38 ms 5848 KB Output is correct
88 Correct 104 ms 7564 KB Output is correct
89 Correct 405 ms 13328 KB Output is correct
90 Correct 418 ms 13524 KB Output is correct
91 Correct 381 ms 13400 KB Output is correct
92 Correct 289 ms 19332 KB Output is correct
93 Correct 315 ms 19456 KB Output is correct
94 Correct 275 ms 19376 KB Output is correct
95 Correct 268 ms 16832 KB Output is correct
96 Correct 284 ms 16828 KB Output is correct
97 Correct 296 ms 16900 KB Output is correct
98 Correct 276 ms 16980 KB Output is correct
99 Correct 284 ms 15880 KB Output is correct
100 Correct 448 ms 13512 KB Output is correct
101 Correct 464 ms 13388 KB Output is correct
102 Correct 460 ms 13464 KB Output is correct
103 Correct 466 ms 13452 KB Output is correct
104 Correct 315 ms 15848 KB Output is correct
105 Correct 310 ms 15888 KB Output is correct
106 Correct 296 ms 15892 KB Output is correct
107 Correct 318 ms 12628 KB Output is correct
108 Correct 376 ms 13236 KB Output is correct
109 Correct 357 ms 13456 KB Output is correct
110 Correct 253 ms 19400 KB Output is correct
111 Correct 262 ms 16928 KB Output is correct
112 Correct 274 ms 16808 KB Output is correct
113 Correct 255 ms 15932 KB Output is correct
114 Correct 423 ms 13412 KB Output is correct
115 Correct 452 ms 13532 KB Output is correct
116 Correct 268 ms 15836 KB Output is correct
117 Correct 287 ms 15000 KB Output is correct
118 Correct 276 ms 14832 KB Output is correct
119 Correct 281 ms 14608 KB Output is correct
120 Correct 268 ms 14876 KB Output is correct
121 Correct 281 ms 15016 KB Output is correct
122 Correct 266 ms 14528 KB Output is correct
123 Correct 286 ms 15008 KB Output is correct
124 Correct 286 ms 14836 KB Output is correct
125 Correct 295 ms 14596 KB Output is correct
126 Correct 304 ms 14988 KB Output is correct
127 Correct 283 ms 14816 KB Output is correct
128 Correct 300 ms 14628 KB Output is correct