BOJ 3135 - 라디오 [C++]

문제

링크

풀이

#include <algorithm>
#include <cmath>
#include <iostream>
#include <vector>
using namespace std;
 
void solve(void) {
  int a, b; cin >> a >> b;
  int n; cin >> n;
  vector<int> v(n);
  for (int i=0; i<n; i++) cin >> v[i];
 
  int ans = abs(a - b);
  for (int i=0; i<n; i++) {
    ans = min(ans, 1 + abs(v[i] - b));
  }
  cout << ans;
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}