Submission #711380

#	Time	Username	Problem	Language	Result	Execution time	Memory
711380		aVe	Cipele (COCI18_cipele)	C++14	90 / 90	42 ms	1164 KiB

cipele

#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vl vector<ll>
#define mp make_pair
#define pb push_back
#define se second
#define fi first
using namespace std;
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
clock_t startTime;
double getCurrentTime() {
	return (double)(clock() - startTime) / CLOCKS_PER_SEC;
}
ll set_on(ll n, ll k){
	return (n |= 1 << k);
}
ll set_off(ll n, ll k){
	return (n &= ~(1UL << k));
}
bool check_bit(ll n, ll k){
	int bit = (n >> k) & 1U;
	if(bit == 1)
		return true;
	return false;
}
void solve(){
	int n, m;
	cin>>n>>m;
	vi levo(n),desno(m);
	for(int i = 0; i < n; i++)
		cin>>levo[i];
	for(int i = 0; i < m; i++)
		cin>>desno[i];
		
	sort(levo.begin(), levo.end());
	sort(desno.begin(), desno.end());
	ll l = 0, r = 1e9-1, ans = -1;
	while(l <= r){
		ll mid = l + (r - l) / 2;
		// mid is maximum diff possible
		bool can = true;
		int li = 0;
		for(int i = 0; i < min(n, m); i++){
			if(n < m){
				if(li >= m){
					can = false;
					break;
				}
				if(abs(levo[i] - desno[li]) <= mid){
					li++;
					continue;
				}
				else{
					while(li < m && abs(levo[i] - desno[li]) > mid){
						li++;
					}
					if(li >= m){
						can = false;
						break;
					}
					li++;
					continue;
				}
			}
			else{
				if(li >= n){
					can = false;
					break;
				}
				if(abs(levo[li] - desno[i]) <= mid){
					li++;
					continue;
				}
				else{
					while(li < n && abs(levo[li] - desno[i]) > mid)
						li++;
						
					if(li >= n){
						can = false;
						break;
					}
					li++;
					continue;
				}
			}
		}
//		debug(l, mid, r, can);
		if(can){
			ans = mid;
			r = mid - 1;
		}
		else
			l = mid + 1;
	}
	cout<<ans<<endl;
}
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	cout.precision(10);
	cout<<fixed;
	startTime = clock();
	int t=1;
//	cin>>t;
	while(t--)
		solve();

	return 0;
}

• 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