Submission #1092471

#	Time	Username	Problem	Language	Result	Execution time	Memory
1092471		alexander707070	Gap (APIO16_gap)	C++14	0 / 100	125 ms	21316 KiB

gap

#include<bits/stdc++.h>
#include "gap.h"

#define MAXN 600007
using namespace std;

struct interval{
    long long from,to;

    inline friend bool operator < (interval fr,interval sc){
        return fr.to-fr.from<sc.to-sc.from;
    }
};

priority_queue<interval> q;

interval check(long long l,long long r){
    if(l+1==r)return {-1,-1};

	long long mid=(l+r)/2;

    long long *ll,*rr,*lt,*rt;

	ll=new long long();
	rr=new long long();

	lt=new long long();
	rt=new long long();

    MinMax(l+1,mid, ll,rr);
	MinMax(mid,r-1, lt,rt);

    return {*rr,*lt};
}

const long long inf=1e18;

long long *l,*r;

long long findGap(int T, int N){

	while(!q.empty())q.pop();

	l=new long long();
	r=new long long();

    MinMax(1, inf, l,r);
    q.push({*l,*r});

    while(true){
		if(q.size()>N)return 1/0;

        interval s=check(q.top().from,q.top().to);

        if(s.from==-1)return q.top().to-q.top().from;

        interval z=q.top();
        q.pop();

        q.push({z.from,s.from});
        if(s.from!=s.to)q.push(s);
        q.push({s.to,z.to});
    }

	return 0;
}

Compilation message (stderr)

gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:51:14: warning: comparison of integer expressions of different signedness: 'std::priority_queue<interval>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   51 |   if(q.size()>N)return 1/0;
      |      ~~~~~~~~^~
gap.cpp:51:25: warning: division by zero [-Wdiv-by-zero]
   51 |   if(q.size()>N)return 1/0;
      |                        ~^~

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