oj.uz

답안 #559403

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
559403 2022-05-09T17:41:33 Z keta_tsimakuridze 별자리 3 (JOI20_constellation3) C++14
35 / 100
 741 ms 524288 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define f first
#define s second
#define endl "\n"
const int N = 2e5 + 5, mod = 1e9 + 7; //!
int t, le_[300 * N], a[N], ri_[300 * N], tree[300 * N], lazy[300 * N], cur, root[N], f[N], p[N], n;
vector<pii> comp[N];
void push(int u,int l,int r) {
	if(!lazy[u]) return;
	tree[u] += lazy[u];
	if(l != r) {
		lazy[le_[u]] += lazy[u];
		lazy[ri_[u]] += lazy[u];
	}
	lazy[u] = 0;
}
void UPD(int u) {
	if(!le_[u]) le_[u] = ++cur;
	if(!ri_[u]) ri_[u] = ++cur;
}
void upd(int u, int st, int en, int l, int r, int v) {
	UPD(u);
	push(u, l, r);
	if(l > en || r < st) return;
	
	if(st <= l && r <= en) {
		lazy[u] = v;
		push(u, l, r);
		return;
	}
	int mid = (l + r) / 2;
	upd(le_[u], st, en, l, mid, v); upd(ri_[u], st, en, mid + 1, r, v);
	tree[u] = max(tree[le_[u]], tree[ri_[u]]);
}
void upd(int u,int id, int l,int r,int v) {
	UPD(u);
	push(u, l, r);
	if(l > id || r < id) return;
	
	if(l == r) {
		tree[u] = max(tree[u], v);
		return;
	}
	int mid = (l + r) / 2;	
	upd(le_[u], id, l, mid, v); upd(ri_[u], id, mid + 1, r, v);
	tree[u] = max(tree[le_[u]], tree[ri_[u]]);
}
 
int get(int u, int st, int en, int l,int r) {
	if(!u) return 0;
	UPD(u);
	push(u, l, r);
	if(l > en || r < st) return 0;
	if(st <= l && r <= en) return tree[u];
	int mid = (l + r) / 2;
	return max(get(le_[u], st, en, l, mid), get(ri_[u], st, en ,mid + 1, r));
}
 
int find(int u) {
	return (p[u] == u ? p[u] : p[u] = find(p[u]));
}
void merge(int u, int v, int H) {
	u = find(u); v = find(v);
	assert(u != v); 
	if(comp[v].size() > comp[u].size()) swap(u, v);
	p[v] = u; 
	
	int ul = get(root[u], 1, H, 1, n), vl = get(root[v], 1, H, 1, n);
	upd(root[u], 1, n, 1, n, vl); 
	
	for(int i = 0; i < comp[v].size(); i++) {
		if(comp[v][i].f <= H) continue;
		upd(root[u], comp[v][i].f, 1, n, get(root[v], 1, comp[v][i].f, 1, n) + ul);
		
		comp[u].push_back(comp[v][i]);
	}
//	cout << tree[root[u]] << "  ? " << endl;
}
main() {
//	ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	int m;
	cin >> n;
	vector<pii> h;
	for(int i = 1; i <= n; i++) {
		cin >> a[i];
		h.push_back({a[i], i});
	}
	cin >> m;
	int call = 0;
	while(m--) {
		int x, y, w;
		cin >> x >> y >> w;
		comp[x].push_back({y, w});
		call += w;
	}
	for(int i = 1; i <= n; i++) {
		p[i] = i;
		root[i] = ++cur;
		for(int j = 0; j < comp[i].size(); j++)
		upd(root[i], comp[i][j].f, 1, n, comp[i][j].s);
	}
	sort(h.begin(), h.end());
	
	for(int i = 0; i < h.size(); i++) {
		
		int id = h[i].s, H = h[i].f;
		if(f[id - 1]) merge(id - 1, id, H); 
		if(f[id + 1]) merge(id + 1, id, H);
		f[id] = 1;
	}
	
	cout << call - tree[root[find(1)]];
}

Compilation message

constellation3.cpp: In function 'void merge(long long int, long long int, long long int)':
constellation3.cpp:74:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |  for(int i = 0; i < comp[v].size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~~
constellation3.cpp: At global scope:
constellation3.cpp:82:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   82 | main() {
      | ^~~~
constellation3.cpp: In function 'int main()':
constellation3.cpp:102:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |   for(int j = 0; j < comp[i].size(); j++)
      |                  ~~^~~~~~~~~~~~~~~~
constellation3.cpp:107:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |  for(int i = 0; i < h.size(); i++) {
      |                 ~~^~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5588 KB Output is correct
2 Correct 4 ms 5716 KB Output is correct
3 Correct 4 ms 5716 KB Output is correct
4 Correct 4 ms 5684 KB Output is correct
5 Correct 4 ms 5588 KB Output is correct
6 Correct 4 ms 5656 KB Output is correct
7 Correct 4 ms 5652 KB Output is correct
8 Correct 4 ms 5716 KB Output is correct
9 Correct 4 ms 5660 KB Output is correct
10 Correct 3 ms 5400 KB Output is correct
11 Correct 4 ms 5588 KB Output is correct
12 Correct 4 ms 5528 KB Output is correct
13 Correct 4 ms 5636 KB Output is correct
14 Correct 4 ms 5588 KB Output is correct
15 Correct 4 ms 5588 KB Output is correct
16 Correct 4 ms 5332 KB Output is correct
17 Correct 4 ms 5332 KB Output is correct
18 Correct 4 ms 5460 KB Output is correct
19 Correct 4 ms 5332 KB Output is correct
20 Correct 3 ms 5332 KB Output is correct
21 Correct 4 ms 5460 KB Output is correct
22 Correct 4 ms 5332 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5588 KB Output is correct
2 Correct 4 ms 5716 KB Output is correct
3 Correct 4 ms 5716 KB Output is correct
4 Correct 4 ms 5684 KB Output is correct
5 Correct 4 ms 5588 KB Output is correct
6 Correct 4 ms 5656 KB Output is correct
7 Correct 4 ms 5652 KB Output is correct
8 Correct 4 ms 5716 KB Output is correct
9 Correct 4 ms 5660 KB Output is correct
10 Correct 3 ms 5400 KB Output is correct
11 Correct 4 ms 5588 KB Output is correct
12 Correct 4 ms 5528 KB Output is correct
13 Correct 4 ms 5636 KB Output is correct
14 Correct 4 ms 5588 KB Output is correct
15 Correct 4 ms 5588 KB Output is correct
16 Correct 4 ms 5332 KB Output is correct
17 Correct 4 ms 5332 KB Output is correct
18 Correct 4 ms 5460 KB Output is correct
19 Correct 4 ms 5332 KB Output is correct
20 Correct 3 ms 5332 KB Output is correct
21 Correct 4 ms 5460 KB Output is correct
22 Correct 4 ms 5332 KB Output is correct
23 Correct 11 ms 11420 KB Output is correct
24 Correct 13 ms 11424 KB Output is correct
25 Correct 12 ms 11308 KB Output is correct
26 Correct 12 ms 11700 KB Output is correct
27 Correct 12 ms 11508 KB Output is correct
28 Correct 13 ms 11476 KB Output is correct
29 Correct 14 ms 11464 KB Output is correct
30 Correct 13 ms 11824 KB Output is correct
31 Correct 14 ms 11412 KB Output is correct
32 Correct 10 ms 9476 KB Output is correct
33 Correct 11 ms 10264 KB Output is correct
34 Correct 10 ms 10196 KB Output is correct
35 Correct 13 ms 10400 KB Output is correct
36 Correct 10 ms 9556 KB Output is correct
37 Correct 12 ms 9812 KB Output is correct
38 Correct 9 ms 7204 KB Output is correct
39 Correct 10 ms 8532 KB Output is correct
40 Correct 12 ms 9072 KB Output is correct
41 Correct 11 ms 8224 KB Output is correct
42 Correct 10 ms 8532 KB Output is correct
43 Correct 13 ms 9292 KB Output is correct
44 Correct 9 ms 8148 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5588 KB Output is correct
2 Correct 4 ms 5716 KB Output is correct
3 Correct 4 ms 5716 KB Output is correct
4 Correct 4 ms 5684 KB Output is correct
5 Correct 4 ms 5588 KB Output is correct
6 Correct 4 ms 5656 KB Output is correct
7 Correct 4 ms 5652 KB Output is correct
8 Correct 4 ms 5716 KB Output is correct
9 Correct 4 ms 5660 KB Output is correct
10 Correct 3 ms 5400 KB Output is correct
11 Correct 4 ms 5588 KB Output is correct
12 Correct 4 ms 5528 KB Output is correct
13 Correct 4 ms 5636 KB Output is correct
14 Correct 4 ms 5588 KB Output is correct
15 Correct 4 ms 5588 KB Output is correct
16 Correct 4 ms 5332 KB Output is correct
17 Correct 4 ms 5332 KB Output is correct
18 Correct 4 ms 5460 KB Output is correct
19 Correct 4 ms 5332 KB Output is correct
20 Correct 3 ms 5332 KB Output is correct
21 Correct 4 ms 5460 KB Output is correct
22 Correct 4 ms 5332 KB Output is correct
23 Correct 11 ms 11420 KB Output is correct
24 Correct 13 ms 11424 KB Output is correct
25 Correct 12 ms 11308 KB Output is correct
26 Correct 12 ms 11700 KB Output is correct
27 Correct 12 ms 11508 KB Output is correct
28 Correct 13 ms 11476 KB Output is correct
29 Correct 14 ms 11464 KB Output is correct
30 Correct 13 ms 11824 KB Output is correct
31 Correct 14 ms 11412 KB Output is correct
32 Correct 10 ms 9476 KB Output is correct
33 Correct 11 ms 10264 KB Output is correct
34 Correct 10 ms 10196 KB Output is correct
35 Correct 13 ms 10400 KB Output is correct
36 Correct 10 ms 9556 KB Output is correct
37 Correct 12 ms 9812 KB Output is correct
38 Correct 9 ms 7204 KB Output is correct
39 Correct 10 ms 8532 KB Output is correct
40 Correct 12 ms 9072 KB Output is correct
41 Correct 11 ms 8224 KB Output is correct
42 Correct 10 ms 8532 KB Output is correct
43 Correct 13 ms 9292 KB Output is correct
44 Correct 9 ms 8148 KB Output is correct
45 Runtime error 741 ms 524288 KB Execution killed with signal 9
46 Halted 0 ms 0 KB -