oj.uz

답안 #554223

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
554223 2022-04-28T03:23:42 Z amunduzbaev Reconstruction Project (JOI22_reconstruction) C++17
3 / 100
 1262 ms 165004 KB 
#include "bits/stdc++.h"
using namespace std;

#define ar array
const int N = 1e5 + 5;
const int M = 1e9 + 5;
const int MAXN = 505;

struct ST{
	long long tree[N * 40];
	int ch[N * 25][2], last;
	ST(){
		last = 0;
	}
	
	int bala(int x, int t){
		if(!ch[x][t]){
			ch[x][t] = ++last;
		}
		return ch[x][t];
	}
	
	void add(int l, int r, int v, int lx = 0, int rx = M, int x = 0){
		if(lx > r || rx < l) return;
		if(lx >= l && rx <= r){
			tree[x] += v;
			return;
		} int m = (lx + rx) >> 1;
		add(l, r, v, lx, m, bala(x, 0));
		add(l, r, v, m+1, rx, bala(x, 1));
	}
	
	long long get(int i, int lx = 0, int rx = M, int x = 0){
		if(lx == rx) return tree[x];
		int m = (lx + rx) >> 1;
		if(i <= m && ch[x][0]) return tree[x] + get(i, lx, m, ch[x][0]);
		if(m < i && ch[x][1]) return tree[x] + get(i, m+1, rx, ch[x][1]);
		return tree[x];
	}
}tree, cnt;

int a[N], b[N], w[N];
int l[N], r[N];
set<int> edges[MAXN];

signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	vector<int> p(m);
	for(int i=0;i<m;i++){ p[i] = i;
		cin>>a[i]>>b[i]>>w[i];
	}
	
	sort(p.begin(), p.end(), [&](int i, int j){
		return (w[i] > w[j]);
	});
	
	w[m] = -1;
	for(auto i : p){
		int in = -1, R = w[i];
        function<void(int, int, int)> dfs = [&](int u, int ed, int p){
	        if(u == b[i]){
        		in = ed;
        	}
        	
        	for(auto j : edges[u]){
        		int x = a[j] ^ b[j] ^ u;
        		if(x == p) continue;
        		int tmp = ed;
        		if(w[j] > w[ed]) tmp = j;
        		else if(w[j] == w[ed] && j > ed) tmp = j;
        		dfs(x, tmp, u);
        	}
	    };
	    
		dfs(a[i], m, a[i]);
		if(in == -1){
			R = M;
		} else {
		    R = (w[i] + w[in]) / 2;
			if((w[in]&1) == (w[i]&1) && in < i) R--;
			edges[a[in]].erase(in);
			edges[b[in]].erase(in);
		} R = max(R, w[i]);
		
		r[i] = R;
		tree.add(w[i], R, -w[i]);
		cnt.add(w[i], R, 1);
		edges[a[i]].insert(i);
		edges[b[i]].insert(i);
	}
	
	sort(p.begin(), p.end(), [&](int i, int j){
		return (w[i] < w[j]);
	});
	
	for(int i=1;i<=n;i++) edges[i].clear();
	w[m] = M;
	for(auto i : p){
		int in = -1, L = w[i];
        function<void(int, int, int)> dfs = [&](int u, int ed, int p){
	        if(u == b[i]){
        		in = ed;
        	}
        	
        	for(auto j : edges[u]){
        		int x = a[j] ^ b[j] ^ u;
        		if(x == p) continue;
        		int tmp = ed;
        		if(w[j] < w[ed]) tmp = j;
        		else if(w[j] == w[ed] && j > ed) tmp = j;
        		dfs(x, tmp, u);
        	}
	    };
	    
		dfs(a[i], m, a[i]);
		if(in == -1){
			L = 0;
		} else {
		    L = (w[i] + w[in] + 1) / 2;
			if((w[in]&1) == (w[i]&1) && in < i) L++;
			edges[a[in]].erase(in);
			edges[b[in]].erase(in);
		} L = min(L, w[i]);
		
		l[i] = L;
		tree.add(L, w[i], w[i]);
		cnt.add(L, w[i], -1);
		edges[a[i]].insert(i);
		edges[b[i]].insert(i);
	}
	
	int q; cin>>q;
	while(q--){
	    int x; cin>>x;
	    cout<<tree.get(x) + cnt.get(x) * x<<"\n";
	}
}

/*

2 4 15
1 3 13
1 5 11
1 2 8
2 3 7
3 4 6
3 5 6
1 4 5
1 5 3
4 5 2

5 10
1 2 8
1 3 13
1 4 5
1 5 11
1 5 3
2 3 7
2 4 15
3 4 6
3 5 6
4 5 2
2
6
3

*/

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #2
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 356 KB Output is correct
20 Runtime error 1193 ms 165004 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 356 KB Output is correct
4 Runtime error 1262 ms 163892 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 258 ms 15792 KB Output is correct
21 Correct 258 ms 16716 KB Output is correct
22 Correct 256 ms 16136 KB Output is correct
23 Correct 254 ms 15900 KB Output is correct
24 Correct 251 ms 15720 KB Output is correct
25 Correct 260 ms 15820 KB Output is correct
26 Correct 250 ms 15052 KB Output is correct
27 Incorrect 229 ms 14024 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 356 KB Output is correct
20 Runtime error 1193 ms 165004 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 360 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 356 KB Output is correct
20 Runtime error 1193 ms 165004 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -