제출 #471853

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
471853	2021-09-11 07:56:44	prvocislo	Lamps (JOI19_lamps)	C++17	47 / 100	1076 ms	113808 KiB

lamp

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#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
typedef long long ll;
using namespace std;
const int inf = 1e9 + 5;
void upd(int& a, const int& b) { a = min(a, b); }
int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  string sa, sb;
  cin >> n >> sa >> sb;
  vector<int> a, b;
  for (int i = 0; i < n; i++) a.push_back(sa[i] == '1');
  for (int i = 0; i < n; i++) b.push_back(sb[i] == '1');
  map<vector<int>, int> m;
  int cnt = 0;
  for (int i = 0; i < 8; i++)
  {
    vector<int> v;
    for (int j = 0; j < 3; j++) if (i & (1 << j)) v.push_back(j);
    do
    {
      if (!m.count(v)) m[v] = cnt++;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

lamp.cpp: In function 'int main()':
lamp.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for (int k = 0; k < p.first.size(); k++) if (j & (1 << k))
      |                     ~~^~~~~~~~~~~~~~~~
lamp.cpp:54:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |     for (int k = 0; k < p.first.size(); k++) if (j & (1 << k))
      |                     ~~^~~~~~~~~~~~~~~~
lamp.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for (int i = 0; i < dp[n].size(); i++) upd(ans, dp[n][i]);
      |                  ~~^~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 41 / 41
• Subtask 3: 0 / 4
• Subtask 4: 0 / 49