Submission #631848

#	Time	Username	Problem	Language	Result	Execution time	Memory
631848		iee	Cipele (COCI18_cipele)	C++17	90 / 90	31 ms	1872 KiB

cipele

// iee
#include <bits/stdc++.h>
#define int long long
using ll = long long;
using ull = unsigned long long;
using pii = std::pair<int,int>;
using db = double;
using ld = long double;
#define py puts("YES")
#define pn puts("NO")
#define pf puts("-1")
#define hh puts("")
#define fi first
#define se second
#define mkp make_pair
#define re =RD()
#define rd RD()
#define debug(...) fprintf(stderr,__VA_ARGS__)
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define eb emplace_back
#define ep emplace
#define ci const int
#define vi vector<int>
#define fn for(int i=1;i<=n;++i)
#define rep(stO,a,b) for(int stO=(a);stO<=(b);stO++)
#define Rep(stO,a,b) for(int stO=(a);stO<(b);stO++)
#define per(Orz,a,b) for(int Orz=(a);Orz>=(b);Orz--)
#define ina int n,a[N];
#define rna n=RD();fn a[i]=RD();
using namespace std;
void big(int &x,int y){if(y>x)x=y;}void sml(int &x,int y){if(y<x)x=y;}
int qpow(int a, int b, int p) { int res = 1 % p; while (b) { if (b % 2) res = 1ll * res * a % p; a = 1ll * a * a % p; b /= 2; } return res; }
int RD() { int x = 0, f = 1, ch = getchar(); while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = x * 10 + (ch - '0'); ch = getchar(); } return x * f; }
//ci p = 998244353 1000000007; int fac[N], inv[N], ifac[N]; int binom(int x, int y, int MOD = p) { if (x < y) return 0; return 1ll * fac[x] * ifac[y] % p * ifac[x - y] % p; } void init(int LIM = N - 1, int MOD = p) { fac[0] = ifac[0] = inv[1] = 1; rep(i, 1, LIM) fac[i] = 1ll * fac[i - 1] * i % MOD; rep(i, 2, LIM) inv[i] = 1ll * (MOD - MOD / i) * inv[MOD % i] % MOD; rep(i, 1, LIM) ifac[i] = 1ll * ifac[i - 1] * inv[i] % MOD; }
void work(int);

signed main() { int CASINPUT = 1;
  string op = R"(
                 )";if (op.size() == 19) cin >> CASINPUT; rep(CUR, 1, CASINPUT) work(CUR); }
ci N = 1e5 + 5;
int n, m;
int a[N], b[N];

bool ok(int x){
 for(int i = 1, j = 1; i <= n; ++i){
  while(j <= m && abs(a[i] - b[j]) > x)++j;
  if(j > m)return false;
  ++j;
 }
 return true;
}

void work(int CASE) {
 n re, m re;
 if (n < m) {
  rep(i,1,n) a[i] re;
  rep(i,1,m) b[i] re;
 } else {
  rep(i,1,n) b[i] re;
  rep(i,1,m) a[i] re;
  swap(n,m);
 }
 sort(a+1, a+n+1); sort(b+1, b+m+1);
 int low=0, high=1e9;
 while(low < high){
  auto mid = low+high >> 1;
  if(ok(mid)) high = mid;
  else low = mid + 1;
 }
 cout << low;
}

Compilation message (stderr)

cipele.cpp: In function 'void work(long long int)':
cipele.cpp:67:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   67 |   auto mid = low+high >> 1;
      |              ~~~^~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9