제출 #892339

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
892339	2023-12-25 08:11:41	LittleFlowers__	Cipele (COCI18_cipele)	C++17	90 / 90	32 ms	2908 KiB

cipele

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#include <bits/stdc++.h>
using namespace std;
int32_t main() {
  if (fopen("input.txt", "r")) {
    freopen("input.txt", "r", stdin);
  }
  cin.tie(0)->sync_with_stdio(0);
  int n, m; cin >> n >> m;
  vector<int> a(n), b(m);
  for (int &i : a) cin >> i;
  for (int &i : b) cin >> i;
  if (n > m) swap(n, m), swap(a, b);
  sort(a.begin(), a.end());
  sort(b.begin(), b.end());
  int le = 0, mi, ri = 1e9, answer;
  while (le <= ri) {
    mi = (le + ri) / 2;
    bool okay = true;
    
    int j = 0;
    for (int i = 0; i < a.size(); ++i) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

cipele.cpp: In function 'int32_t main()':
cipele.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for (int i = 0; i < a.size(); ++i) {
      |                     ~~^~~~~~~~~~
cipele.cpp:31:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |       while (j < b.size() && abs(a[i] - b[j]) > mi) j += 1;
      |              ~~^~~~~~~~~~
cipele.cpp:33:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |       if (j == b.size()) { okay = false; break; }
      |           ~~^~~~~~~~~~~
cipele.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
cipele.cpp:41:21: warning: 'answer' may be used uninitialized in this function [-Wmaybe-uninitialized]
   41 |   cout << answer << '\n';
      |                     ^~~~

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