oj.uz

답안 #831535

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
831535 2023-08-20T10:15:28 Z NeroZein 디지털 회로 (IOI22_circuit) C++17
2 / 100
 48 ms 8292 KB 
#include "circuit.h"
#include "bits/stdc++.h"

using namespace std;

const int MAX_N = 2003;

int n, m;
int win[MAX_N];
int lose[MAX_N];
vector<int> a;
vector<int> g[MAX_N];

int dp[MAX_N][MAX_N]; 
vector<array<int, 2>> dps;
int knapsack(int ind, int k) {
  if (ind == (int) dps.size()) {
    return k == 0;
  }
  if (k < 0) {
    return 0;
  }
  int& ret = dp[ind][k];
  if (ret != -1) {
    return ret;
  }
  ret = knapsack(ind + 1, k) * dps[ind][0] + knapsack(ind + 1, k - 1) * dps[ind][1];
  return ret;
}

void dfs(int v) {
  if (v >= n) {
    lose[v] = (a[v - n] == 0);
    win[v] = (a[v - n] == 1);
    return; 
  }
  for (int u : g[v]) {
    dfs(u); 
  }
  for (int u : g[v]) {
    dps.push_back({lose[u], win[u]});
  }
  //memset(dp, -1, sizeof dp); 
  int ch_num = g[v].size(); 
  for (int i = 0; i < ch_num; ++i) {
    for (int j = 0; j <= ch_num; ++j) {
      dp[i][j] = -1;
    }
  }
  for (int k = 0; k <= ch_num; ++k) {
    int x = knapsack(0, k); 
    win[v] += k * x;
    lose[v] += (ch_num - k) * x;
  }
  dps.clear(); 
}

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

int count_ways(int L, int R) {
  for (int i = L; i <= R; ++i) {
    a[i - n] ^= 1; 
  }
  fill(win, win + n, 0);
  fill(lose, lose + n, 0); 
  dfs(0);
  return win[0];
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 41 ms 8040 KB Output is correct
4 Correct 42 ms 8292 KB Output is correct
5 Correct 40 ms 8272 KB Output is correct
6 Correct 41 ms 8272 KB Output is correct
7 Correct 40 ms 8272 KB Output is correct
8 Correct 48 ms 8272 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 41 ms 8040 KB Output is correct
4 Correct 42 ms 8292 KB Output is correct
5 Correct 40 ms 8272 KB Output is correct
6 Correct 41 ms 8272 KB Output is correct
7 Correct 40 ms 8272 KB Output is correct
8 Correct 48 ms 8272 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 10 ms 2212 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 10 ms 2212 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 41 ms 8040 KB Output is correct
4 Correct 42 ms 8292 KB Output is correct
5 Correct 40 ms 8272 KB Output is correct
6 Correct 41 ms 8272 KB Output is correct
7 Correct 40 ms 8272 KB Output is correct
8 Correct 48 ms 8272 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 41 ms 8040 KB Output is correct
4 Correct 42 ms 8292 KB Output is correct
5 Correct 40 ms 8272 KB Output is correct
6 Correct 41 ms 8272 KB Output is correct
7 Correct 40 ms 8272 KB Output is correct
8 Correct 48 ms 8272 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Incorrect 1 ms 336 KB 1st lines differ - on the 1st token, expected: '52130940', found: '0'
11 Halted 0 ms 0 KB -