제출 #718830

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
718830		Hacv16	Broken Device (JOI17_broken_device)	C++17	0 / 100	1 ms	520 KiB

Anna

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

typedef long long ll;

void Anna(int N, ll X, int K, int P[]){
    vector<bool> blocked(N + 1);

    for(int i = 0; i < K; i++){
        int curBit = P[i];
        blocked[curBit] = true;
    }

    int numSame = 1;

    vector<int> goodPos;

    for(int i = 0; i < N; i++){
        if(blocked[i] || (blocked[i + 1])) Set(i, 0);
        else goodPos.push_back(i);
    }

    for(int i = 0, j = 0; i < goodPos.size(); i += 2, j++){
        int pos1 = goodPos[i], pos2 = goodPos[i + 1];
        int bitOn = (bool)((1 << j) & X);

        Set(pos1, 1); Set(pos2, bitOn);
    }
}

Bruno

#include "Brunolib.h"
#include <bits/stdc++.h>

typedef long long ll;

ll Bruno(int N, int A[]){
  ll ans = 0;

  for(int i = 0, j = 0; i < N; i += 2){
    if(A[i] == 0) continue;
    ans |= (A[i + 1] << j); j++;
  }

  return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

Anna.cpp: In function 'void Anna(int, ll, int, int*)':
Anna.cpp:24:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i = 0, j = 0; i < goodPos.size(); i += 2, j++){
      |                           ~~^~~~~~~~~~~~~~~~
Anna.cpp:15:9: warning: unused variable 'numSame' [-Wunused-variable]
   15 |     int numSame = 1;
      |         ^~~~~~~

• Subtask 1: 0 / 100