Submission #617982

#	Time	Username	Problem	Language	Result	Execution time	Memory
617982		AbdelmagedNour	Gap (APIO16_gap)	C++17	100 / 100	55 ms	2248 KiB

gap

#include<bits/stdc++.h>
using namespace std;
#include "gap.h"
long long findGap(int T, int N){
    if(T==1){
        long long l=1,r=1e18,res=0;
        long long mn,mx;
        vector<long long>v;
        while(l<=r&&v.size()<N){
            MinMax(l,r,&mn,&mx);
            v.push_back(mn);
            if(mx!=mn)v.push_back(mx);
            l=mn+1;
            r=mx-1;
        }
        sort(v.begin(),v.end());
        for(int i=1;i<N;i++)res=max(res,v[i]-v[i-1]);
        return res;
    }else{
        long long l=1,r=1e18,res=0,mn,mx,x,y,i;
        MinMax(l,r,&mn,&mx);
        long long bsz=(mx-mn+N-2)/(N-1);
        res=bsz;l=mn;
        for(i=mn;i+bsz<mx;i+=bsz+1){
            MinMax(i,i+bsz,&x,&y);
            if(~x){
                res=max(res,x-l);
                l=y;
            }
        }
        MinMax(i,mx,&x,&y);
        if(~x)res=max(res,x-l);
        return res;
    }
	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:9:29: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    9 |         while(l<=r&&v.size()<N){
      |                     ~~~~~~~~^~

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