oj.uz

Submission #148871

# Submission time Handle Problem Language Result Execution time Memory
148871 2019-09-01T05:17:30 Z Dopatii(#3751, bogdan10bos, Gioto, Bodo171) Organizing the Best Squad (FXCUP4_squad) C++17
19 / 100
 1565 ms 161656 KB 
#include "squad.h"
#include <bits/stdc++.h>
using namespace std;
const int nmax=300005;
const int magic=25;
struct line
{
    long long a,b;
    long long ev(long long X,long long Y)
    {
        return (1LL*this->a*X+1LL*this->b*Y);
    }
};
struct srt
{
    int a,b,ind;

}atac[nmax],apar[nmax];
bool comp(srt unu,srt doi)
{
    if(unu.a==doi.a) return unu.b<doi.b;
    return unu.a<doi.a;
}
long double a1,a2,b1,b2;
long double in(line unu,line doi)
{
    a1=unu.a,a2=doi.a,b1=unu.b,b2=doi.b;
    return (b2-b1)/(a1-a2);
}
struct CHT
{
    int u;
    line st[nmax];
    int cb(long double val)
    {
        int ret=0;
        if(u==1)
            return 1;
        for(int pu=18; pu>=0; pu--)
            if(ret+(1<<pu)<u&&in(st[ret+(1<<pu)],st[ret+(1<<pu)+1])<val)
                ret+=(1<<pu);
        ret++;
        return ret;
    }
    void ins(line dr)
    {
        while(u>=1&&st[u].a==dr.a&&st[u].b<dr.b)
            u--;
        while(u>=2&&in(st[u-1],st[u])>in(st[u-1],dr))
            u--;
        u++;
        st[u]=dr;
    }
};
mt19937 gen(chrono::high_resolution_clock::now().time_since_epoch().count());
int n,i;
struct bulaneala
{
    CHT a[2];
    int wh[nmax];
    long double r1,r2;
    int p1,p2;
    void ini()
    {
        int sum=0;
        for(i=0;i<n;i++)
        {
            wh[i]=gen()%2;
            sum+=wh[i];
        }
        if(sum==0||sum==n)
        {
            int poz=gen()%n;
            wh[poz]^=1;
        }
        for(i=0;i<n;i++)
        {
            if(!wh[atac[i].ind])
                a[0].ins({atac[i].a,atac[i].b});
            if(wh[apar[i].ind])
                a[1].ins({apar[i].a,apar[i].b});
        }
    }
    long long Q(long long X,long long Y)
    {
        r1=X,r2=Y;
        p1=a[0].cb(r1/r2);
        p2=a[1].cb(r1/r2);
        return (a[0].st[p1].ev(X,Y)+a[1].st[p2].ev(X,Y));
    }
}var[magic+2];
void Init(std::vector<int> A, std::vector<int> D, std::vector<int> P){
	int N = A.size();
	n=N;
    for(i=0;i<n;i++)
    {
        atac[i].a=A[i],atac[i].b=P[i],atac[i].ind=i;
        apar[i].a=D[i],apar[i].b=P[i],apar[i].ind=i;
    }
    sort(atac,atac+n,comp);
    sort(apar,apar+n,comp);
    for(int it=0;it<magic;it++)
        var[it].ini();
}

long long BestSquad(int X, int Y){
    long long ret=0;
    for(int it=0;it<magic;it++)
        ret=max(ret,var[it].Q(X,Y));
	return ret;
}

Compilation message

squad.cpp: In function 'long long int BestSquad(int, int)':
squad.cpp:108:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int it=0;it<magic;it++)
     ^~~
squad.cpp:110:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  return ret;
  ^~~~~~

Subtask #1
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1024 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 793 ms 44280 KB Output is correct
4 Correct 868 ms 44156 KB Output is correct
5 Correct 41 ms 11512 KB Output is correct
6 Correct 563 ms 161656 KB Output is correct
7 Correct 595 ms 161656 KB Output is correct
8 Correct 602 ms 161656 KB Output is correct

Subtask #2
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1024 KB Output is correct
2 Correct 20 ms 1280 KB Output is correct
3 Correct 1477 ms 46520 KB Output is correct
4 Correct 1565 ms 46516 KB Output is correct
5 Incorrect 140 ms 5352 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1024 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 793 ms 44280 KB Output is correct
4 Correct 868 ms 44156 KB Output is correct
5 Correct 41 ms 11512 KB Output is correct
6 Correct 563 ms 161656 KB Output is correct
7 Correct 595 ms 161656 KB Output is correct
8 Correct 602 ms 161656 KB Output is correct
9 Correct 6 ms 1024 KB Output is correct
10 Correct 20 ms 1280 KB Output is correct
11 Correct 1477 ms 46520 KB Output is correct
12 Correct 1565 ms 46516 KB Output is correct
13 Incorrect 140 ms 5352 KB Output isn't correct
14 Halted 0 ms 0 KB -