제출 #628348

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
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;
}

컴파일 시 표준 에러 (stderr) 메시지

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++)
      |                   ~~^~~~~~~~~~

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