답안 #932618

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
932618 2024-02-24T00:27:40 Z ksujay2 Worst Reporter 4 (JOI21_worst_reporter4) C++17
79 / 100
865 ms 169140 KB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MXN = 2e5 + 1;
const int MX = 1e9;

struct node {
	ll v;
	node *left, *right;
	node() { v = 0, left = right = 0; }
    void print(int lb, int rb) {
        if(lb == rb) cout << lb << ":" << v << " ";
        else {
            int m = (lb + rb) / 2;
            if(left) left->print(lb, m);
            if(right) right->print(m + 1, rb); 
        }
    }
    ll del(ll rem, int r, int lb, int rb) {
        r = min(r, rb);
        if(r < lb) return 0;
        if(rb == r && v <= rem) {
            ll d = v;
            v -= d;
            left = right = 0;
            return d;
        }
        if(rb == r && lb == rb) {
            v -= rem;
            return rem;
        }
        int m = (lb + rb) / 2;
        ll d = right ? right->del(rem, r, m + 1, rb) : 0;
        if(rem - d > 0) {
            d += left ? left->del(rem - d, r, lb, m) : 0;
        }
        v -= d;
        return d;
    }
};
void upd(node* cur, int k, ll v) {
	int lb = 1, rb = MX;
	while(lb != rb) {
		cur->v += v;
		int m = (lb + rb) / 2;
		if(k <= m) {
			if(!cur->left) cur->left = new node();
			cur = cur->left;
			rb = m;
		} else {
			if(!cur->right) cur->right = new node();
			cur = cur->right;
			lb = m + 1;
		}
	}
	cur->v += v;
}
void merge(node* cur, node* other) {
    other->v += cur->v;
    if(cur->left) {
        if(other->left) {
            merge(cur->left, other->left);
        } else {
            other->left = cur->left;
        }
    }
    if(cur->right) {
        if(other->right) {
            merge(cur->right, other->right);
        } else {
            other->right = cur->right;
        }
    }
    delete(cur);
}

int A[MXN], H[MXN], C[MXN], in[MXN];
node *segts[MXN];
int main() {
	int N; cin >> N;
    ll sm = 0;
    for(int i = 1; i <= N; i++) {
        cin >> A[i] >> H[i] >> C[i];
        in[A[i]]++;
        segts[i] = new node();
        sm += C[i];
    }
    queue<int> q;
    for(int i = 1; i <= N; i++) if(in[i] == 0) q.push(i);
    while(!q.empty()) {
        int s = q.front();
        q.pop();
        // cout << s << endl;
        // segts[s]->print(1, MX);
        // cout << endl;
        segts[s]->del(C[s], H[s] - 1, 1, MX);
        upd(segts[s], H[s], C[s]);
        merge(segts[s], segts[A[s]]);
        if(--in[A[s]] == 0) q.push(A[s]);
    }
    for(int i = 1; i <= N; i++) {
        if(in[i] != 0) {
            // cout << i << endl;
            vector<int> cyc; cyc.push_back(i);
            while(in[A[cyc.back()]]) {
                in[A[cyc.back()]] = 0;
                cyc.push_back(A[cyc.back()]);
            }
            cyc.pop_back();
            for(int u : cyc) {
                if(u != i) {
                    merge(segts[u], segts[i]);
                }
            }
            for(int u : cyc) {
                segts[i]->del(C[u], H[u] - 1, 1, MX);
                upd(segts[i], H[u], C[u]);
            }
            // segts[i]->print(1, MX);
            // cout << endl;
            sm -= segts[i]->v;
        }
    }
    cout << sm << endl;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4536 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 12 ms 8636 KB Output is correct
6 Correct 14 ms 8284 KB Output is correct
7 Correct 11 ms 7512 KB Output is correct
8 Correct 11 ms 8540 KB Output is correct
9 Correct 12 ms 8284 KB Output is correct
10 Correct 11 ms 7628 KB Output is correct
11 Correct 8 ms 6488 KB Output is correct
12 Correct 10 ms 8028 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 10 ms 8284 KB Output is correct
15 Correct 8 ms 6492 KB Output is correct
16 Correct 10 ms 8408 KB Output is correct
17 Correct 12 ms 8284 KB Output is correct
18 Correct 7 ms 5724 KB Output is correct
19 Correct 9 ms 7516 KB Output is correct
20 Correct 10 ms 7052 KB Output is correct
21 Correct 9 ms 7004 KB Output is correct
22 Correct 9 ms 7516 KB Output is correct
23 Correct 8 ms 4700 KB Output is correct
24 Correct 10 ms 7612 KB Output is correct
25 Correct 10 ms 4936 KB Output is correct
26 Correct 8 ms 7512 KB Output is correct
27 Correct 9 ms 8028 KB Output is correct
28 Correct 9 ms 8028 KB Output is correct
29 Correct 9 ms 7772 KB Output is correct
30 Correct 9 ms 7512 KB Output is correct
31 Correct 9 ms 7512 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4536 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 12 ms 8636 KB Output is correct
6 Correct 14 ms 8284 KB Output is correct
7 Correct 11 ms 7512 KB Output is correct
8 Correct 11 ms 8540 KB Output is correct
9 Correct 12 ms 8284 KB Output is correct
10 Correct 11 ms 7628 KB Output is correct
11 Correct 8 ms 6488 KB Output is correct
12 Correct 10 ms 8028 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 10 ms 8284 KB Output is correct
15 Correct 8 ms 6492 KB Output is correct
16 Correct 10 ms 8408 KB Output is correct
17 Correct 12 ms 8284 KB Output is correct
18 Correct 7 ms 5724 KB Output is correct
19 Correct 9 ms 7516 KB Output is correct
20 Correct 10 ms 7052 KB Output is correct
21 Correct 9 ms 7004 KB Output is correct
22 Correct 9 ms 7516 KB Output is correct
23 Correct 8 ms 4700 KB Output is correct
24 Correct 10 ms 7612 KB Output is correct
25 Correct 10 ms 4936 KB Output is correct
26 Correct 8 ms 7512 KB Output is correct
27 Correct 9 ms 8028 KB Output is correct
28 Correct 9 ms 8028 KB Output is correct
29 Correct 9 ms 7772 KB Output is correct
30 Correct 9 ms 7512 KB Output is correct
31 Correct 9 ms 7512 KB Output is correct
32 Correct 11 ms 8540 KB Output is correct
33 Correct 787 ms 169140 KB Output is correct
34 Correct 831 ms 167508 KB Output is correct
35 Correct 758 ms 169040 KB Output is correct
36 Correct 865 ms 167656 KB Output is correct
37 Correct 587 ms 114780 KB Output is correct
38 Correct 473 ms 82768 KB Output is correct
39 Correct 360 ms 135508 KB Output is correct
40 Correct 330 ms 87624 KB Output is correct
41 Correct 205 ms 16584 KB Output is correct
42 Correct 379 ms 138700 KB Output is correct
43 Correct 345 ms 98720 KB Output is correct
44 Correct 662 ms 166424 KB Output is correct
45 Correct 671 ms 164944 KB Output is correct
46 Correct 343 ms 60240 KB Output is correct
47 Correct 467 ms 108552 KB Output is correct
48 Correct 474 ms 106832 KB Output is correct
49 Correct 374 ms 107236 KB Output is correct
50 Correct 367 ms 93460 KB Output is correct
51 Correct 305 ms 16976 KB Output is correct
52 Correct 415 ms 95380 KB Output is correct
53 Correct 297 ms 17236 KB Output is correct
54 Correct 267 ms 94380 KB Output is correct
55 Correct 427 ms 130640 KB Output is correct
56 Correct 325 ms 112464 KB Output is correct
57 Correct 304 ms 105336 KB Output is correct
58 Correct 340 ms 93604 KB Output is correct
59 Correct 314 ms 93668 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4536 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 12 ms 8636 KB Output is correct
6 Correct 14 ms 8284 KB Output is correct
7 Correct 11 ms 7512 KB Output is correct
8 Correct 11 ms 8540 KB Output is correct
9 Correct 12 ms 8284 KB Output is correct
10 Correct 11 ms 7628 KB Output is correct
11 Correct 8 ms 6488 KB Output is correct
12 Correct 10 ms 8028 KB Output is correct
13 Correct 6 ms 4956 KB Output is correct
14 Correct 10 ms 8284 KB Output is correct
15 Correct 8 ms 6492 KB Output is correct
16 Correct 10 ms 8408 KB Output is correct
17 Correct 12 ms 8284 KB Output is correct
18 Correct 7 ms 5724 KB Output is correct
19 Correct 9 ms 7516 KB Output is correct
20 Correct 10 ms 7052 KB Output is correct
21 Correct 9 ms 7004 KB Output is correct
22 Correct 9 ms 7516 KB Output is correct
23 Correct 8 ms 4700 KB Output is correct
24 Correct 10 ms 7612 KB Output is correct
25 Correct 10 ms 4936 KB Output is correct
26 Correct 8 ms 7512 KB Output is correct
27 Correct 9 ms 8028 KB Output is correct
28 Correct 9 ms 8028 KB Output is correct
29 Correct 9 ms 7772 KB Output is correct
30 Correct 9 ms 7512 KB Output is correct
31 Correct 9 ms 7512 KB Output is correct
32 Correct 11 ms 8540 KB Output is correct
33 Correct 787 ms 169140 KB Output is correct
34 Correct 831 ms 167508 KB Output is correct
35 Correct 758 ms 169040 KB Output is correct
36 Correct 865 ms 167656 KB Output is correct
37 Correct 587 ms 114780 KB Output is correct
38 Correct 473 ms 82768 KB Output is correct
39 Correct 360 ms 135508 KB Output is correct
40 Correct 330 ms 87624 KB Output is correct
41 Correct 205 ms 16584 KB Output is correct
42 Correct 379 ms 138700 KB Output is correct
43 Correct 345 ms 98720 KB Output is correct
44 Correct 662 ms 166424 KB Output is correct
45 Correct 671 ms 164944 KB Output is correct
46 Correct 343 ms 60240 KB Output is correct
47 Correct 467 ms 108552 KB Output is correct
48 Correct 474 ms 106832 KB Output is correct
49 Correct 374 ms 107236 KB Output is correct
50 Correct 367 ms 93460 KB Output is correct
51 Correct 305 ms 16976 KB Output is correct
52 Correct 415 ms 95380 KB Output is correct
53 Correct 297 ms 17236 KB Output is correct
54 Correct 267 ms 94380 KB Output is correct
55 Correct 427 ms 130640 KB Output is correct
56 Correct 325 ms 112464 KB Output is correct
57 Correct 304 ms 105336 KB Output is correct
58 Correct 340 ms 93604 KB Output is correct
59 Correct 314 ms 93668 KB Output is correct
60 Incorrect 1 ms 4696 KB Output isn't correct
61 Halted 0 ms 0 KB -