oj.uz

Submission #800688

# Submission time Handle Problem Language Result Execution time Memory
800688 2023-08-01T18:12:26 Z dxz05 Digital Circuit (IOI22_circuit) C++17
2 / 100
 552 ms 16428 KB 
#include "circuit.h"
#include <bits/stdc++.h>
 
using namespace std;
 
const int MaxN = 200005;
const int MOD = 1e9 + 2022;

int binpow(int n, int k){
	int res = 1;
    while (k > 0){
        if (k & 1) res = 1LL * res * n % MOD;
        n = n * n % MOD;
        k >>= 1;
    }
    return res;
}

int N, M;
vector<int> A;
 
int contribution[MaxN];
 
struct node{
	int sum;
	int sum2;
	bool flag;
	
	node(){
		sum = sum2 = 0;
		flag = false;
	};
};
 
node tree[4 * MaxN];
 
void flip(int v){
	swap(tree[v].sum, tree[v].sum2);
	tree[v].flag ^= 1;
}
 
void push(int v, int tl, int tr){
	if (tl == tr || !tree[v].flag) return;
	flip(v << 1);
	flip(v << 1 | 1);
	tree[v].flag = false;
}
 
void build(int v, int tl, int tr){
	if (tl == tr){
		tree[v].sum = A[tl - N] * contribution[tl];
		tree[v].sum2 = (!A[tl - N]) * contribution[tl];
		return;
	}
	int tm = (tl + tr) >> 1;
	build(v << 1, tl, tm);
	build(v << 1 | 1, tm + 1, tr);
	
	tree[v].sum = (tree[v << 1].sum + tree[v << 1 | 1].sum) % MOD;
	tree[v].sum2 = (tree[v << 1].sum2 + tree[v << 1 | 1].sum2) % MOD;
}
 
void update(int v, int tl, int tr, int l, int r){
	push(v, tl, tr);
	if (l <= tl && tr <= r){
		flip(v);
		return;
	}
	if (tl > r || tr < l) return;
	int tm = (tl + tr) >> 1;
	update(v << 1, tl, tm, l, r);
	update(v << 1 | 1, tm + 1, tr, l, r);
	
	tree[v].sum = (tree[v << 1].sum + tree[v << 1 | 1].sum) % MOD;
	tree[v].sum2 = (tree[v << 1].sum2 + tree[v << 1 | 1].sum2) % MOD;
}
 
void update(int l, int r){
	update(1, N, N + M - 1, l, r);
}
 
int get(){
	return tree[1].sum;
}
 
vector<int> g[MaxN];
 
int dep[MaxN];

void dfs(int v, int p, map<int, int> mp){	
	int sz = (int) g[v].size();
	if (sz == 0){
		int &res = contribution[v];	
		res = 1;
		for (auto [d, cnt] : mp){
			res = 1LL * res * binpow(d, cnt) % MOD;
		}
	} else {
		mp[sz]--;
	}
	
	for (int u : g[v]){
		if (u != p){
			dfs(u, v, mp);
		}
	}
}
 
void init(int _N, int _M, vector<int> P, vector<int> _A) {
    N = _N, M = _M, A = _A;
    for (int i = 1; i < N + M; i++){
        g[P[i]].push_back(i);
    }
    
    map<int, int> mp;
    for (int i = 0; i < N; i++){
		mp[(int) g[i].size()]++;
	}
	
    dfs(0, -1, mp);
        
    build(1, N, N + M - 1);
}
 
int count_ways(int L, int R) {
    update(L, R);
    return get();
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Correct 6 ms 14288 KB Output is correct
3 Correct 6 ms 14416 KB Output is correct
4 Correct 6 ms 14416 KB Output is correct
5 Correct 6 ms 14416 KB Output is correct
6 Correct 6 ms 14416 KB Output is correct
7 Correct 6 ms 14416 KB Output is correct
8 Correct 6 ms 14416 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Incorrect 6 ms 14416 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Correct 6 ms 14288 KB Output is correct
3 Correct 6 ms 14416 KB Output is correct
4 Correct 6 ms 14416 KB Output is correct
5 Correct 6 ms 14416 KB Output is correct
6 Correct 6 ms 14416 KB Output is correct
7 Correct 6 ms 14416 KB Output is correct
8 Correct 6 ms 14416 KB Output is correct
9 Correct 6 ms 14288 KB Output is correct
10 Incorrect 6 ms 14416 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 552 ms 16428 KB 1st lines differ - on the 1st token, expected: '431985922', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 552 ms 16428 KB 1st lines differ - on the 1st token, expected: '431985922', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Incorrect 6 ms 14416 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Correct 6 ms 14288 KB Output is correct
3 Correct 6 ms 14416 KB Output is correct
4 Correct 6 ms 14416 KB Output is correct
5 Correct 6 ms 14416 KB Output is correct
6 Correct 6 ms 14416 KB Output is correct
7 Correct 6 ms 14416 KB Output is correct
8 Correct 6 ms 14416 KB Output is correct
9 Correct 6 ms 14288 KB Output is correct
10 Incorrect 6 ms 14416 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 14288 KB Output is correct
2 Correct 6 ms 14288 KB Output is correct
3 Correct 6 ms 14416 KB Output is correct
4 Correct 6 ms 14416 KB Output is correct
5 Correct 6 ms 14416 KB Output is correct
6 Correct 6 ms 14416 KB Output is correct
7 Correct 6 ms 14416 KB Output is correct
8 Correct 6 ms 14416 KB Output is correct
9 Correct 6 ms 14288 KB Output is correct
10 Incorrect 6 ms 14416 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -