oj.uz

답안 #1058825

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1058825 2024-08-14T14:11:09 Z dozer 디지털 회로 (IOI22_circuit) C++17
46 / 100
 619 ms 27984 KB 
#include "circuit.h"
#include <bits/stdc++.h>
using namespace std;
#define sp " "
#define endl "\n"
#define pii pair<int, int>
#define st first
#define nd second
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define pb push_back
#define LL node * 2
#define RR node * 2 + 1
#define ll long long
#define MAXN 100005

const int modulo = 1000002022;
const ll INF = 2e18 + 7;

int add(ll a, ll b){
    if (a + b < modulo) return a + b;
    return a + b - modulo;
}

int subs(ll a, ll b){
    if (a < b) return a - b + modulo;
    return a - b;
}

int mul(ll a, ll b){
    return (a * b) % modulo;
}

int fe(ll a, ll b){
    if (b == 0) return 1;
    if (b % 2) return mul(a, fe(a, b - 1));
    int tmp = fe(a, b / 2);
    return mul(tmp, tmp);
}


struct SegTree{
    vector<int> t, lazy, arr, sum;
    int n;

    void build(int node, int l, int r){
        if (l == r){
            sum[node] = arr[l];
            t[node] = 0;
            return;
        }
        int mid = (l + r) / 2;
        build(LL, l, mid);
        build(RR, mid + 1, r);
        sum[node] = add(sum[LL], sum[RR]);
        t[node] = 0;
    }

    void push(int node, int l, int r){
        if (lazy[node] == 0) return;
        t[node] = subs(sum[node], t[node]);
        lazy[node] = 0;
        if (l != r) lazy[LL] ^= 1, lazy[RR] ^= 1;
    }

    void update(int node, int l, int r, int sl, int sr){
        push(node, l, r);
        if (l > sr || r < sl) return;
        if (l >= sl && r <= sr){
            lazy[node] ^= 1;
            push(node, l, r);
            return;
        }

        int mid = (l + r) / 2;
        update(LL, l, mid, sl, sr);
        update(RR, mid + 1, r, sl, sr);
        t[node] = add(t[LL], t[RR]);
    }


    int query(int node, int l, int r, int sl, int sr){
        push(node, l, r);
        if (l > sr || r < sl) return 0;
        if (l >= sl && r <= sr) return t[node];
        int mid = (l + r) / 2;
        return add(query(LL, l, mid, sl, sr), query(RR, mid + 1, r, sl, sr));
    }


    SegTree(int N, vector<int> a){
        n = N;
        t.resize(4 * n + 5, 0), lazy.resize(4 * n + 5, 0), sum.resize(4 * n + 5, 0);
        arr = a;
        build(1, 0, n - 1);
    }
};

vector<int> adj[MAXN];
vector<int> pre[MAXN], suf[MAXN];
int val[MAXN], sz[MAXN], n, m;

void dfs(int node){
    sz[node] = max((int)1, (int)adj[node].size());
    pre[node].resize(adj[node].size());
    suf[node].resize(adj[node].size());
    for (auto i : adj[node]){
        dfs(i);
        sz[node] = mul(sz[node], sz[i]);
    }

    if (adj[node].empty()) return;
    pre[node][0] = sz[adj[node][0]];
    suf[node][(int)adj[node].size() - 1] = sz[adj[node].back()];

    for (int i = 1; i < adj[node].size(); i++)
        pre[node][i] = mul(pre[node][i - 1], sz[adj[node][i]]);

    for (int i = (int)adj[node].size() - 2; i >= 0; i--)
        suf[node][i] = mul(suf[node][i + 1], sz[adj[node][i]]);

}


void dfs2(int node, int x){
    val[node] = x;
    if (adj[node].empty()) return;
    for (int i = 0; i < adj[node].size(); i++){
        int m = 1;
        if (i > 0) m = mul(m, pre[node][i - 1]);
        if (i + 1 < adj[node].size()) m = mul(m, suf[node][i + 1]);
        dfs2(adj[node][i], mul(x, m));
    }
}


SegTree *T;

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
    n = N, m = M;
    for (int i = 1; i < n + m; i++)
        adj[P[i]].pb(i);

    dfs(0);
    dfs2(0, 1);

    vector<int> arr(m);
    for (int i = 0; i < m; i++) arr[i] = val[i + n];
        
    T = new SegTree(m, arr);
    for (int i = 0; i < m; i++) 
        if (A[i]) T->update(1, 0, m - 1, i, i);
}

int count_ways(int L, int R) {
    T->update(1, 0, m - 1, L - n, R - n);
    return T->query(1, 0, m - 1, 0, m - 1);
}
/*

int main() {
    fileio();
    int N, M, Q;
    assert(3 == scanf("%d %d %d", &N, &M, &Q));
    std::vector<int> P(N + M), A(M);
    for (int i = 0; i < N + M; ++i) {
    assert(1 == scanf("%d", &P[i]));
    }
    for (int j = 0; j < M; ++j) {
    assert(1 == scanf("%d", &A[j]));
    }
    init(N, M, P, A);

    for (int i = 0; i < Q; ++i) {
    int L, R;
    assert(2 == scanf("%d %d", &L, &R));
    printf("%d\n", count_ways(L, R));
    }
    return 0;
}
*/

Compilation message

circuit.cpp: In function 'void dfs(int)':
circuit.cpp:116:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  116 |     for (int i = 1; i < adj[node].size(); i++)
      |                     ~~^~~~~~~~~~~~~~~~~~
circuit.cpp: In function 'void dfs2(int, int)':
circuit.cpp:128:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  128 |     for (int i = 0; i < adj[node].size(); i++){
      |                     ~~^~~~~~~~~~~~~~~~~~
circuit.cpp:131:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  131 |         if (i + 1 < adj[node].size()) m = mul(m, suf[node][i + 1]);
      |             ~~~~~~^~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 1 ms 8024 KB Output is correct
4 Correct 1 ms 8024 KB Output is correct
5 Correct 2 ms 8024 KB Output is correct
6 Correct 1 ms 8024 KB Output is correct
7 Correct 2 ms 8076 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Correct 2 ms 8024 KB Output is correct
5 Correct 1 ms 8024 KB Output is correct
6 Correct 2 ms 8024 KB Output is correct
7 Correct 2 ms 8024 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 2 ms 8280 KB Output is correct
11 Correct 2 ms 8280 KB Output is correct
12 Correct 2 ms 8024 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 1 ms 8024 KB Output is correct
4 Correct 1 ms 8024 KB Output is correct
5 Correct 2 ms 8024 KB Output is correct
6 Correct 1 ms 8024 KB Output is correct
7 Correct 2 ms 8076 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 1 ms 8024 KB Output is correct
11 Correct 2 ms 8024 KB Output is correct
12 Correct 2 ms 8024 KB Output is correct
13 Correct 1 ms 8024 KB Output is correct
14 Correct 2 ms 8024 KB Output is correct
15 Correct 2 ms 8024 KB Output is correct
16 Correct 2 ms 8024 KB Output is correct
17 Correct 2 ms 8024 KB Output is correct
18 Correct 2 ms 8280 KB Output is correct
19 Correct 2 ms 8280 KB Output is correct
20 Correct 2 ms 8024 KB Output is correct
21 Correct 2 ms 8024 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 2 ms 8020 KB Output is correct
24 Correct 2 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 2 ms 8280 KB Output is correct
28 Correct 2 ms 8024 KB Output is correct
29 Correct 2 ms 8020 KB Output is correct
30 Correct 2 ms 8024 KB Output is correct
31 Correct 1 ms 8024 KB Output is correct
32 Correct 2 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 1 ms 8024 KB Output is correct
35 Correct 2 ms 8024 KB Output is correct
36 Correct 2 ms 8092 KB Output is correct
37 Correct 2 ms 8336 KB Output is correct
38 Correct 2 ms 8280 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
40 Correct 2 ms 8024 KB Output is correct
41 Correct 2 ms 8024 KB Output is correct
42 Correct 2 ms 8024 KB Output is correct

Subtask #4
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 347 ms 13912 KB Output is correct
2 Runtime error 32 ms 27984 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 347 ms 13912 KB Output is correct
2 Runtime error 32 ms 27984 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Correct 2 ms 8024 KB Output is correct
5 Correct 1 ms 8024 KB Output is correct
6 Correct 2 ms 8024 KB Output is correct
7 Correct 2 ms 8024 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 2 ms 8280 KB Output is correct
11 Correct 2 ms 8280 KB Output is correct
12 Correct 2 ms 8024 KB Output is correct
13 Correct 347 ms 13912 KB Output is correct
14 Runtime error 32 ms 27984 KB Execution killed with signal 6
15 Halted 0 ms 0 KB -

Subtask #7
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 1 ms 8024 KB Output is correct
4 Correct 1 ms 8024 KB Output is correct
5 Correct 2 ms 8024 KB Output is correct
6 Correct 1 ms 8024 KB Output is correct
7 Correct 2 ms 8076 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 1 ms 8024 KB Output is correct
11 Correct 2 ms 8024 KB Output is correct
12 Correct 2 ms 8024 KB Output is correct
13 Correct 1 ms 8024 KB Output is correct
14 Correct 2 ms 8024 KB Output is correct
15 Correct 2 ms 8024 KB Output is correct
16 Correct 2 ms 8024 KB Output is correct
17 Correct 2 ms 8024 KB Output is correct
18 Correct 2 ms 8280 KB Output is correct
19 Correct 2 ms 8280 KB Output is correct
20 Correct 2 ms 8024 KB Output is correct
21 Correct 2 ms 8024 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 2 ms 8020 KB Output is correct
24 Correct 2 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 2 ms 8280 KB Output is correct
28 Correct 2 ms 8024 KB Output is correct
29 Correct 2 ms 8020 KB Output is correct
30 Correct 2 ms 8024 KB Output is correct
31 Correct 1 ms 8024 KB Output is correct
32 Correct 2 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 1 ms 8024 KB Output is correct
35 Correct 2 ms 8024 KB Output is correct
36 Correct 2 ms 8092 KB Output is correct
37 Correct 2 ms 8336 KB Output is correct
38 Correct 2 ms 8280 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
40 Correct 2 ms 8024 KB Output is correct
41 Correct 2 ms 8024 KB Output is correct
42 Correct 2 ms 8024 KB Output is correct
43 Correct 391 ms 8536 KB Output is correct
44 Correct 519 ms 8536 KB Output is correct
45 Correct 544 ms 8532 KB Output is correct
46 Correct 543 ms 8792 KB Output is correct
47 Correct 619 ms 8792 KB Output is correct
48 Correct 541 ms 8792 KB Output is correct
49 Correct 604 ms 8792 KB Output is correct
50 Correct 545 ms 8792 KB Output is correct
51 Correct 538 ms 8536 KB Output is correct
52 Correct 562 ms 8536 KB Output is correct
53 Correct 486 ms 8792 KB Output is correct
54 Correct 519 ms 8792 KB Output is correct
55 Correct 561 ms 8536 KB Output is correct
56 Correct 581 ms 8536 KB Output is correct
57 Correct 549 ms 8536 KB Output is correct
58 Correct 541 ms 9304 KB Output is correct
59 Correct 545 ms 9304 KB Output is correct
60 Correct 506 ms 9300 KB Output is correct
61 Correct 511 ms 8536 KB Output is correct
62 Correct 547 ms 8536 KB Output is correct
63 Correct 580 ms 8536 KB Output is correct
64 Correct 525 ms 8536 KB Output is correct
65 Correct 254 ms 8280 KB Output is correct
66 Correct 558 ms 8792 KB Output is correct
67 Correct 572 ms 8792 KB Output is correct
68 Correct 559 ms 8792 KB Output is correct

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 8024 KB Output is correct
2 Correct 1 ms 8024 KB Output is correct
3 Correct 1 ms 8024 KB Output is correct
4 Correct 1 ms 8024 KB Output is correct
5 Correct 2 ms 8024 KB Output is correct
6 Correct 1 ms 8024 KB Output is correct
7 Correct 2 ms 8076 KB Output is correct
8 Correct 2 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 1 ms 8024 KB Output is correct
11 Correct 2 ms 8024 KB Output is correct
12 Correct 2 ms 8024 KB Output is correct
13 Correct 1 ms 8024 KB Output is correct
14 Correct 2 ms 8024 KB Output is correct
15 Correct 2 ms 8024 KB Output is correct
16 Correct 2 ms 8024 KB Output is correct
17 Correct 2 ms 8024 KB Output is correct
18 Correct 2 ms 8280 KB Output is correct
19 Correct 2 ms 8280 KB Output is correct
20 Correct 2 ms 8024 KB Output is correct
21 Correct 2 ms 8024 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 2 ms 8020 KB Output is correct
24 Correct 2 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 2 ms 8280 KB Output is correct
28 Correct 2 ms 8024 KB Output is correct
29 Correct 2 ms 8020 KB Output is correct
30 Correct 2 ms 8024 KB Output is correct
31 Correct 1 ms 8024 KB Output is correct
32 Correct 2 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 1 ms 8024 KB Output is correct
35 Correct 2 ms 8024 KB Output is correct
36 Correct 2 ms 8092 KB Output is correct
37 Correct 2 ms 8336 KB Output is correct
38 Correct 2 ms 8280 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
40 Correct 2 ms 8024 KB Output is correct
41 Correct 2 ms 8024 KB Output is correct
42 Correct 2 ms 8024 KB Output is correct
43 Correct 347 ms 13912 KB Output is correct
44 Runtime error 32 ms 27984 KB Execution killed with signal 6
45 Halted 0 ms 0 KB -