oj.uz

답안 #145360

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
145360 2019-08-19T17:27:31 Z davitmarg Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 3000 ms 247204 KB 
/*DavitMarg*/
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <queue>
#include <iomanip>
#include <stack>
#include <cassert>
#include <iterator>
#include <bitset>
#include <fstream>
#define mod 998244353ll
#define LL long long
#define LD long double
#define MP make_pair
#define PB push_back
#define all(v) v.begin(),v.end()
using namespace std;

int n,m,a[1000006];
int ans;
vector<int> g[4*1000006];
int t[4*1000006],mx[4*1000006];

int mergeSerge(vector<int>& a,vector<int>& b,vector<int> &c)
{
    int p=0,q=0,d=0;
    while(p<a.size())
    {
        while(q<b.size() && b[q]<=a[p])
        {
            d=max(d,a[p]+b[q]);
            c.PB(b[q++]);
        }
        c.PB(a[p++]);
    }
    while(q<b.size())
        c.PB(b[q++]);
    return d;
}

void build(int v,int l,int r)
{
    if(l==r)
    {
        t[v]=a[l];
        g[v].PB(a[l]);
        return;
    }
    int m=(l+r)/2;
    build(v*2,l,m);
    build(v*2+1,m+1,r);
    mx[v]=mergeSerge(g[v*2],g[v*2+1],g[v]);
    mx[v]=max(mx[v],max(mx[v*2],mx[v*2+1]));
    t[v]=max(t[v*2],t[v*2+1]);
}

int get(int v,int l,int r,int i,int j,int lmax)
{
    if(i>j)
        return 0;
    if(l==i && r==j)
    {
        //cout<<"["<<l<<":"<<r<<"]"<<" "<<lmax<<endl;
        if(g[v].back()>=lmax)
            ans=max(ans,lmax+(*(lower_bound(all(g[v]),lmax)-1)));
        ans=max(ans,mx[v]);
        return t[v];
    }
    int m=(l+r)>>1;
    int p1,p2;
    p1=get(v*2,l,m,i,min(j,m),lmax);
    lmax=max(lmax,p1);
    p2=get(v*2+1,m+1,r,max(m+1,i),j,lmax);

    if(j<=m)
        return p1;
    else if(i>=m+1)
        return p2;
    else
    {
        //cout<<p1.first<<" : "<<p2.second<<endl;
        return max(p1,p2);
    }
}

int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        scanf("%d",a+i);
    build(1,1,n);
    while(m--)
    {
        int l,r,k;
        ans=0;
        scanf("%d%d%d",&l,&r,&k);
        get(1,1,n,l,r,0);
        //cout<<ans<<endl;
        printf("%d\n",(k>=ans));
    }
	return 0;
}
 
/*

5 2
3 5 1 8 2
1 3 6
2 5 3

 
*/

Compilation message

sortbooks.cpp: In function 'int mergeSerge(std::vector<int>&, std::vector<int>&, std::vector<int>&)':
sortbooks.cpp:34:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(p<a.size())
           ~^~~~~~~~~
sortbooks.cpp:36:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(q<b.size() && b[q]<=a[p])
               ~^~~~~~~~~
sortbooks.cpp:43:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(q<b.size())
           ~^~~~~~~~~
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:97:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",a+i);
         ~~~~~^~~~~~~~~~
sortbooks.cpp:103:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&l,&r,&k);
         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94200 KB Output is correct
2 Correct 89 ms 94200 KB Output is correct
3 Incorrect 89 ms 94328 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94200 KB Output is correct
2 Correct 89 ms 94200 KB Output is correct
3 Incorrect 89 ms 94328 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3048 ms 247204 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 367 ms 111636 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94200 KB Output is correct
2 Correct 89 ms 94200 KB Output is correct
3 Incorrect 89 ms 94328 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94200 KB Output is correct
2 Correct 89 ms 94200 KB Output is correct
3 Incorrect 89 ms 94328 KB Output isn't correct
4 Halted 0 ms 0 KB -