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Submission #1058530

# Submission time Handle Problem Language Result Execution time Memory
1058530 2024-08-14T10:40:06 Z SalihSahin Digital Circuit (IOI22_circuit) C++17
2 / 100
 105 ms 2500 KB 
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
#include "circuit.h"
#define ll long long

const int M = 2000;

int mod = 10121101010;

int add(ll a, ll b){
  return ((a%mod) + (b%mod))%mod;
}

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

vector<int> state(M);
vector<int> ch[2 * M];
int n;

pair<int, int> dfs(int node){ // {kac sekilde 0, kac sekilde 1}
  if(node >= n){
     if(state[node - n]) return {0, 1};
     else return {1, 0};
  }

  vector<pair<int, int> > sub;
  int c = ch[node].size();
  for(auto itr: ch[node]){
     sub.pb(dfs(itr));
  }

  vector<ll> dp(c+1), ndp(c+1);
  dp[0] = 1;
  for(auto itr: sub){
    for(int i = 0; i <= c; i++){
       ndp[i] = mul(dp[i], itr.first);
       if(i) ndp[i] = add(ndp[i], mul(dp[i-1], itr.second));
    }
    dp = ndp;
  }

  pair<ll, ll> val;
  for(int i = 1; i <= c; i++){
    for(int j = 0; j <= c; j++){
       if(i > j) val.first = add(val.first, dp[j]);
       else val.second = add(val.second, dp[j]);
    }
  }

  return val;
}

void init(int N, int M, std::vector<int> P, std::vector<int> A) {
   n = N;
   for(int i = 1; i < N + M; i++){
      ch[P[i]].pb(i);
   }
   for(int i = 0; i < M; i++) state[i] = A[i];
   return;
}

int count_ways(int L, int R) {
  L -= n;
  R -= n;

  for(int i = L; i <= R; i++){
    state[i] ^= 1;
  }

  pair<ll, ll> ans = dfs(0);
  return ans.second;
}

Compilation message

circuit.cpp:9:11: warning: overflow in conversion from 'long int' to 'int' changes value from '10121101010' to '1531166418' [-Woverflow]
    9 | int mod = 10121101010;
      |           ^~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 86 ms 344 KB Output is correct
4 Correct 91 ms 568 KB Output is correct
5 Correct 91 ms 568 KB Output is correct
6 Correct 93 ms 344 KB Output is correct
7 Correct 105 ms 344 KB Output is correct
8 Correct 100 ms 344 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '61994290'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 86 ms 344 KB Output is correct
4 Correct 91 ms 568 KB Output is correct
5 Correct 91 ms 568 KB Output is correct
6 Correct 93 ms 344 KB Output is correct
7 Correct 105 ms 344 KB Output is correct
8 Correct 100 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '61994290'
11 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 10 ms 2500 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 10 ms 2500 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '61994290'
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 86 ms 344 KB Output is correct
4 Correct 91 ms 568 KB Output is correct
5 Correct 91 ms 568 KB Output is correct
6 Correct 93 ms 344 KB Output is correct
7 Correct 105 ms 344 KB Output is correct
8 Correct 100 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '61994290'
11 Halted 0 ms 0 KB -

Subtask #8
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 86 ms 344 KB Output is correct
4 Correct 91 ms 568 KB Output is correct
5 Correct 91 ms 568 KB Output is correct
6 Correct 93 ms 344 KB Output is correct
7 Correct 105 ms 344 KB Output is correct
8 Correct 100 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Incorrect 0 ms 344 KB 1st lines differ - on the 1st token, expected: '52130940', found: '61994290'
11 Halted 0 ms 0 KB -