Submission #150953

#	Time	Username	Problem	Language	Result	Execution time	Memory
150953		PedroBigMan	Cipele (COCI18_cipele)	C++14	90 / 90	54 ms	3824 KiB

cipele

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <string>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
typedef long double ld;
#define REP(i,a,b) for(ll i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define pl pair<ll,ll>
#define ff first
#define ss second
#define INF ((ll) pow(2,63) -1)
ll insig;
#define In(vecBRO, LENBRO) REP(IBRO,0,LENBRO) {cin>>insig; vecBRO.pb(insig);}
void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
vector<ll> a,b; ll N,M;

ll Check(ll K)
{
    ll it=0;
    ll cur=0;
    while(cur<N)
    {
        while(it<M && abs(b[it]-a[cur])>K) {it++;}
        if(it==M) {return false;}
        it++; cur++;
    }
    return true;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>N>>M; if(N<=M) {In(a,N); In(b,M);} else {In(b,N); In(a,M);}
    ll x=N; ll y=M; N=min(x,y); M=max(x,y);
    sort(a.begin(),a.end()); sort(b.begin(),b.end());
    ll hi=pow(10,9) +1;
    ll lo=0;
    ll mid;
    while(hi>lo)
    {
        mid = (hi+lo)/2;
        if(Check(mid)) {hi=mid;}
        else {lo=mid+1;}
    }
    cout<<lo<<endl;
    return 0;
}

Compilation message (stderr)

cipele.cpp: In function 'void Out(std::vector<long long int>)':
cipele.cpp:10:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define REP(i,a,b) for(ll i=a; i<b; i++)
cipele.cpp:19:29:
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                             ~~~~~~~~~~~~
cipele.cpp:19:25: note: in expansion of macro 'REP'
 void Out(vector<ll> x) {REP(i,0,x.size()) {cout<<x[i]<<" ";} cout<<endl;}
                         ^~~

• 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