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Submission #676002

# Submission time Handle Problem Language Result Execution time Memory
676002 2022-12-28T20:26:52 Z MilosMilutinovic Digital Circuit (IOI22_circuit) C++17
0 / 100
 3000 ms 1784 KB 
#include "circuit.h"

#include <bits/stdc++.h>

using namespace std;

const int MOD = 1000002022;

int ckadd(int a, int b) {
	return a + b >= MOD ? a + b - MOD : a + b;
}
int ckmul(int a, int b) {
	return a * 1LL * b % MOD;
}
int ckpower(int a, int n) {
	int res = 1;
	while (n) {
		if (n & 1)
			res = ckmul(res, a);
		a = ckmul(a, a);
		n >>= 1;
	}
	return res;
}
int ckdiv(int a, int b) {
	return ckmul(a, ckpower(b, MOD - 2));
}

const int N = (int)2e5 + 6;
int n, m;
int a[N];
int par[N];
int deg[N];
int ANS[N];
bool vis[N];

int solve(int v) {
	for (int i = 0; i < n; i++) vis[i] = false;
	while (v != -1) {
		if (v < n) vis[v] = true;
		v = par[v];
	}
	int prod = 1;
	for (int i = 0; i < n; i++) if (!vis[i]) {
		prod = ckmul(prod, deg[i]);
	}
	return prod;
}

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
	n = N;
	m = M;
	for (int i = n; i < n + m; i++) a[i] = A[i];
	for (int i = 0; i < n + m; i++) par[i] = P[i];
	for (int i = 1; i < n + m; i++) deg[par[i]]++;
	for (int i = n; i < n + m; i++) ANS[i] = solve(i);
//	for (int i = n; i < n + m; i++) printf("%d ", ANS[i]); printf("\n");
}

int count_ways(int L, int R) {
	for (int i = L; i <= R; i++) a[i] ^= 1;
	int ans = 0;
	for (int i = n; i < n + m; i++) if (a[i] == 1) {
		ans = ckadd(ans, ANS[i]);
	}
	return ans;
}

/*
3 4 3
-1 0 1 2 1 1 0
1 0 1 0
3 4
4 5
3 6

*/

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 1 ms 336 KB 4th lines differ - on the 1st token, expected: '500', found: '504'
4 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 208 KB 1st lines differ - on the 1st token, expected: '52130940', found: '844566252'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 1 ms 336 KB 4th lines differ - on the 1st token, expected: '500', found: '504'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3047 ms 1784 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3047 ms 1784 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Incorrect 1 ms 208 KB 1st lines differ - on the 1st token, expected: '52130940', found: '844566252'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 1 ms 336 KB 4th lines differ - on the 1st token, expected: '500', found: '504'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Incorrect 1 ms 336 KB 4th lines differ - on the 1st token, expected: '500', found: '504'
4 Halted 0 ms 0 KB -