Submission #38784

#	Time	Username	Problem	Language	Result	Execution time	Memory
38784		Waschbar	Gap (APIO16_gap)	C++14	30 / 100	2000 ms	524288 KiB

gap

#include <bits/stdc++.h>
#include "gap.h"
using namespace std;
 
const long long INF = 1e18;
 
long long findGap(int T, int N) {
 
	multiset < pair< long long,pair<long long,long long> > > st;
	long long mn, mx;
	MinMax(0ll,INF,&mn,&mx);
	st.insert({-(mx-mn),{mn,mx}});
	long long ans = 0;
 
    if(N == 2){
        return mx - mn;
    }
	
	if (T == 1){
		for (int i=1;i<(N+1)/2;i++){
			long long mmn, mmx;
			MinMax(mn+1,mx-1,&mmn,&mmx);
			ans = max(ans,mmn-mn);
			ans = max(ans,mx-mmx);
			mn = mmn;
			mx = mmx;
		}
		ans = max(ans,mx-mn);
		return ans;
	}
	
	long long dis = (mx-mn)/N;
	vector < pair<long long,long long> > v;
	for(long long i = mn; i <= mx; i++){
        long long a, b;
        MinMax(i,i+dis,&a,&b);
        v.push_back({a,b});
	}
 
    for(int i = 0; i < v.size(); i++)
        ans = max(ans,v[i].second-v[i].first);
    
	return ans;
 
	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < v.size(); i++)
                      ^

• Subtask 1: 30 / 30
• Subtask 2: 0 / 70