oj.uz

Submission #738515

# Submission time Handle Problem Language Result Execution time Memory
738515 2023-05-09T01:50:20 Z math_rabbit_1028 Digital Circuit (IOI22_circuit) C++17
0 / 100
 3000 ms 8224 KB 
#include "circuit.h"

#include <vector>
#include <bits/stdc++.h>
using namespace std;

int n, m, onoff[101010], par[202020];
vector<int> adj[202020];

const long long MOD = 1000002022;
long long cnt[202020], wgt[101010];

void get_cnt(int v) {
  if (v < n) cnt[v] = adj[v].size();
  else cnt[v] = 1;
  for (int i = 0; i < adj[v].size(); i++) {
    int next = adj[v][i];
    get_cnt(next);
    cnt[v] = (cnt[v] * cnt[next]) % MOD;
  }
}

long long get_wgt(int v, int goal) {
  if (v == goal) return 1;
  for (int i = 0; i < adj[v].size(); i++) {
    int next = adj[v][i];
    long long ret = get_wgt(next, goal);
    if (ret > 0) {
      for (int j = 0; j < adj[v].size(); j++) {
        if (i != j) ret = (ret * cnt[adj[v][j]]) % MOD;
      }
      return ret;
    }
  }
  return 0;
}

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
  n = N;
  m = M;
  for (int i = 0; i < n + m; i++) par[i] = P[i];
  for (int i = 0; i < m; i++) onoff[i] = A[i];

  for (int i = 1; i < n + m; i++) {
    adj[par[i]].push_back(i);
  }
  get_cnt(0);
  for (int i = n; i < n + m; i++) wgt[i - n] = get_wgt(0, i);
  for (int i = n; i < n + m; i++) cout << wgt[i - n] << " ";
  cout << "\n";
}

int count_ways(int L, int R) {
  for (int i = L; i <= R; i++) {
    onoff[i - n] = 1 - onoff[i - n];
  }
  long long ans = 0;
  for (int i = n; i < n + m; i++) ans = (ans + onoff[i - n] * wgt[i - n]) % MOD;
  return ans;
}

Compilation message

circuit.cpp: In function 'void get_cnt(int)':
circuit.cpp:16:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |   for (int i = 0; i < adj[v].size(); i++) {
      |                   ~~^~~~~~~~~~~~~~~
circuit.cpp: In function 'long long int get_wgt(int, int)':
circuit.cpp:25:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for (int i = 0; i < adj[v].size(); i++) {
      |                   ~~^~~~~~~~~~~~~~~
circuit.cpp:29:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |       for (int j = 0; j < adj[v].size(); j++) {
      |                       ~~^~~~~~~~~~~~~~~

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 5044 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 4944 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 5044 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3027 ms 8224 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 3027 ms 8224 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 4944 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 5044 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 5044 KB Possible tampering with the output or unexpected termination of the program
2 Halted 0 ms 0 KB -