Submission #628348

#	Time	Username	Problem	Language	Result	Execution time	Memory
628348		c28dnv9q3	Digital Circuit (IOI22_circuit)	C++17	2 / 100	10 ms	1328 KiB

circuit

#include "circuit.h"

#include <vector>

using namespace std;

// N ... num threshold gates
// M ... num source gates

vector<int> A;
const int MOD = 1000002022;

void init(int N, int M, vector<int> P, vector<int> A) {
  ::A = A;
}

// toggle state of source gates between L and R (inclusive)
// return num distinctive param assignments with gate#0 = 1
int count_ways(int L, int R) {
  for (int i = L; i <= R; i++)
    A[i-1] = 1-A[i-1];
  int s = 0;
  for (int i = 0; i < A.size(); i++)
    s += A[i];
  return s;
}

Compilation message (stderr)

circuit.cpp: In function 'int count_ways(int, int)':
circuit.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for (int i = 0; i < A.size(); i++)
      |                   ~~^~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 7
• Subtask 3: 0 / 9
• Subtask 4: 0 / 4
• Subtask 5: 0 / 12
• Subtask 6: 0 / 27
• Subtask 7: 0 / 28
• Subtask 8: 0 / 11