oj.uz

Submission #145697

# Submission time Handle Problem Language Result Execution time Memory
145697 2019-08-20T19:01:14 Z davitmarg Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
64 / 100
 3000 ms 262144 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 1000000007ll
#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;
char readchar() {
    char c = getchar();
    while (c <= 33) {
        c = getchar();
    }
    return c;
}
 
 
int readint() {
    char c = getchar();
    while (c <= 33) {
        c = getchar();
    }
    bool sign = false;
    if (c == '-') {
        sign = true;
        c = getchar();
    }
    int t = 0;
    while (c >= '0' && c <= '9') {
        t = (t << 3) + (t << 1) + c - '0';
        c = getchar();
    }
    return (sign ? -t: t);
}
 
 
 
int n,m,a[1000006],wmin;
int ans;
vector<int> g[4*1000006];
int t[4*1000006],mn[4*1000006],mx[4*1000006];
 
int mergeSerge(vector<int>& a,vector<int>& b,vector<int> &c)
{
    int p=0,q=0,d=0;
    for(int i=0;i<b.size();i++)
        if(b[i]<a.back())
            d=a.back()+b[i];
    while(p<a.size())
    {
        while(q<b.size() && b[q]<a[p])
            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];
        mn[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]);
    mn[v]=min(mn[v*2],mn[v*2+1]);
}
 
int get(int v,int l,int r,int i,int j,int lmax)
{
    if(i>j)
        return -1;
    if(l==i && r==j)
    {
        //cout<<"["<<l<<":"<<r<<"]"<<" "<<lmax<<endl;
        if(g[v][0]<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);
    lmax=max(lmax,p2);
 
    return lmax;
}
 
pair<int,int> get2(int v,int l,int r,int i,int j)
{
    if(i>j)
        return MP(-1,mod);
    if(l==i && r==j)
    {
        ans|=(bool)(mx[v]);
        return MP(t[v],mn[v]);
    }
    int m=(l+r)>>1;
    
    pair<int,int> p1,p2;
 
    p1=get2(v*2,l,m,i,min(j,m));
    p2=get2(v*2+1,m+1,r,max(m+1,i),j);
 
    if(j<=m)
        return p1;
    else if(i>=m+1)
        return p2;
    else
    {
        if(p1.first>p2.second)
            ans=1;
        return MP(max(p1.first,p2.first),min(p1.second,p2.second));
    }
    
}
 
int main()
{
    cin>>n>>m;
    wmin=mod*3;
    for(int i=1;i<=n;i++)
    {
        a[i]=readint();
        wmin=min(a[i],wmin);
    }
    build(1,1,n);
 
    while(m--)
    {
        int l,r,k;  
        ans=0;
       // scanf("%d%d%d",&l,&r,&k);
        l=readint();
        r=readint();
        k=readint();
 
        if(k<wmin)
        {
            get2(1,1,n,l,r);
            printf("%d",(ans==0));
        }
        else
        {
            get(1,1,n,l,r,-1);
            printf("%c",'0'+(k>=ans));
        }
        putchar(10);
    }
 
	return 0;
}
 
 
 
/*
 
 
5 10
2 1 1 1 2
1 5 0
2 5 0
1 4 0
2 4 0
1 5 3
 
*/

Compilation message

sortbooks.cpp: In function 'int mergeSerge(std::vector<int>&, std::vector<int>&, std::vector<int>&)':
sortbooks.cpp:62:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<b.size();i++)
                 ~^~~~~~~~~
sortbooks.cpp:65:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(p<a.size())
           ~^~~~~~~~~
sortbooks.cpp:67:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while(q<b.size() && b[q]<a[p])
               ~^~~~~~~~~
sortbooks.cpp:71:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(q<b.size())
           ~^~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 90 ms 94456 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94428 KB Output is correct
8 Correct 90 ms 94324 KB Output is correct
9 Correct 88 ms 94268 KB Output is correct
10 Correct 89 ms 94292 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 90 ms 94456 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94428 KB Output is correct
8 Correct 90 ms 94324 KB Output is correct
9 Correct 88 ms 94268 KB Output is correct
10 Correct 89 ms 94292 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95280 KB Output is correct
13 Correct 96 ms 95200 KB Output is correct
14 Correct 97 ms 95212 KB Output is correct
15 Correct 97 ms 95224 KB Output is correct
16 Correct 95 ms 95152 KB Output is correct
17 Correct 93 ms 94972 KB Output is correct
18 Correct 95 ms 95228 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3042 ms 262144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 330 ms 112624 KB Output is correct
2 Correct 300 ms 112812 KB Output is correct
3 Correct 264 ms 112624 KB Output is correct
4 Correct 266 ms 112716 KB Output is correct
5 Correct 260 ms 112752 KB Output is correct
6 Correct 216 ms 112496 KB Output is correct
7 Correct 217 ms 112624 KB Output is correct
8 Correct 250 ms 112396 KB Output is correct
9 Correct 126 ms 95980 KB Output is correct
10 Correct 243 ms 112340 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 90 ms 94456 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94428 KB Output is correct
8 Correct 90 ms 94324 KB Output is correct
9 Correct 88 ms 94268 KB Output is correct
10 Correct 89 ms 94292 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95280 KB Output is correct
13 Correct 96 ms 95200 KB Output is correct
14 Correct 97 ms 95212 KB Output is correct
15 Correct 97 ms 95224 KB Output is correct
16 Correct 95 ms 95152 KB Output is correct
17 Correct 93 ms 94972 KB Output is correct
18 Correct 95 ms 95228 KB Output is correct
19 Correct 693 ms 130348 KB Output is correct
20 Correct 688 ms 130492 KB Output is correct
21 Correct 625 ms 130156 KB Output is correct
22 Correct 594 ms 131708 KB Output is correct
23 Correct 581 ms 133228 KB Output is correct
24 Correct 413 ms 133356 KB Output is correct
25 Correct 411 ms 133228 KB Output is correct
26 Correct 500 ms 133612 KB Output is correct
27 Correct 488 ms 133852 KB Output is correct
28 Correct 573 ms 133868 KB Output is correct
29 Correct 513 ms 133848 KB Output is correct
30 Correct 523 ms 133756 KB Output is correct
31 Correct 515 ms 133356 KB Output is correct
32 Correct 562 ms 133356 KB Output is correct
33 Correct 546 ms 132844 KB Output is correct
34 Correct 392 ms 132972 KB Output is correct
35 Correct 389 ms 132872 KB Output is correct
36 Correct 392 ms 133252 KB Output is correct
37 Correct 397 ms 133100 KB Output is correct
38 Correct 407 ms 133672 KB Output is correct
39 Correct 477 ms 130344 KB Output is correct
40 Correct 334 ms 116244 KB Output is correct
41 Correct 461 ms 130544 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 90 ms 94456 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94428 KB Output is correct
8 Correct 90 ms 94324 KB Output is correct
9 Correct 88 ms 94268 KB Output is correct
10 Correct 89 ms 94292 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95280 KB Output is correct
13 Correct 96 ms 95200 KB Output is correct
14 Correct 97 ms 95212 KB Output is correct
15 Correct 97 ms 95224 KB Output is correct
16 Correct 95 ms 95152 KB Output is correct
17 Correct 93 ms 94972 KB Output is correct
18 Correct 95 ms 95228 KB Output is correct
19 Execution timed out 3042 ms 262144 KB Time limit exceeded
20 Halted 0 ms 0 KB -