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Submission #145698

# Submission time Handle Problem Language Result Execution time Memory
145698 2019-08-20T19:02:16 Z davitmarg Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
77 / 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;
    for(int i=1;i<=n;i++)
        a[i]=readint();
    wmin=a[1];
    for(int i=1;i<=n;i++)
        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 90 ms 94436 KB Output is correct
2 Correct 89 ms 94320 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 89 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 91 ms 94408 KB Output is correct
9 Correct 90 ms 94328 KB Output is correct
10 Correct 90 ms 94328 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 94436 KB Output is correct
2 Correct 89 ms 94320 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 89 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 91 ms 94408 KB Output is correct
9 Correct 90 ms 94328 KB Output is correct
10 Correct 90 ms 94328 KB Output is correct
11 Correct 93 ms 94584 KB Output is correct
12 Correct 95 ms 95224 KB Output is correct
13 Correct 103 ms 95268 KB Output is correct
14 Correct 108 ms 95356 KB Output is correct
15 Correct 97 ms 95352 KB Output is correct
16 Correct 95 ms 95300 KB Output is correct
17 Correct 93 ms 94968 KB Output is correct
18 Correct 95 ms 95280 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2392 ms 262144 KB Output is correct
2 Correct 2339 ms 262144 KB Output is correct
3 Correct 2370 ms 262144 KB Output is correct
4 Correct 2368 ms 262144 KB Output is correct
5 Correct 2214 ms 262144 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 326 ms 112628 KB Output is correct
2 Correct 299 ms 112864 KB Output is correct
3 Correct 258 ms 112624 KB Output is correct
4 Correct 289 ms 112624 KB Output is correct
5 Correct 284 ms 112724 KB Output is correct
6 Correct 244 ms 112496 KB Output is correct
7 Correct 233 ms 112568 KB Output is correct
8 Correct 247 ms 112380 KB Output is correct
9 Correct 125 ms 95864 KB Output is correct
10 Correct 246 ms 112368 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 94436 KB Output is correct
2 Correct 89 ms 94320 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 89 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 91 ms 94408 KB Output is correct
9 Correct 90 ms 94328 KB Output is correct
10 Correct 90 ms 94328 KB Output is correct
11 Correct 93 ms 94584 KB Output is correct
12 Correct 95 ms 95224 KB Output is correct
13 Correct 103 ms 95268 KB Output is correct
14 Correct 108 ms 95356 KB Output is correct
15 Correct 97 ms 95352 KB Output is correct
16 Correct 95 ms 95300 KB Output is correct
17 Correct 93 ms 94968 KB Output is correct
18 Correct 95 ms 95280 KB Output is correct
19 Correct 768 ms 133740 KB Output is correct
20 Correct 710 ms 133688 KB Output is correct
21 Correct 578 ms 133228 KB Output is correct
22 Correct 612 ms 133996 KB Output is correct
23 Correct 580 ms 132824 KB Output is correct
24 Correct 460 ms 132624 KB Output is correct
25 Correct 449 ms 132460 KB Output is correct
26 Correct 487 ms 131072 KB Output is correct
27 Correct 497 ms 130924 KB Output is correct
28 Correct 501 ms 131024 KB Output is correct
29 Correct 514 ms 131136 KB Output is correct
30 Correct 519 ms 131052 KB Output is correct
31 Correct 537 ms 131436 KB Output is correct
32 Correct 541 ms 131828 KB Output is correct
33 Correct 577 ms 133228 KB Output is correct
34 Correct 391 ms 132852 KB Output is correct
35 Correct 391 ms 132844 KB Output is correct
36 Correct 389 ms 131228 KB Output is correct
37 Correct 404 ms 131180 KB Output is correct
38 Correct 389 ms 130852 KB Output is correct
39 Correct 476 ms 133228 KB Output is correct
40 Correct 349 ms 118116 KB Output is correct
41 Correct 489 ms 132664 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 94436 KB Output is correct
2 Correct 89 ms 94320 KB Output is correct
3 Correct 89 ms 94328 KB Output is correct
4 Correct 89 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 89 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 91 ms 94408 KB Output is correct
9 Correct 90 ms 94328 KB Output is correct
10 Correct 90 ms 94328 KB Output is correct
11 Correct 93 ms 94584 KB Output is correct
12 Correct 95 ms 95224 KB Output is correct
13 Correct 103 ms 95268 KB Output is correct
14 Correct 108 ms 95356 KB Output is correct
15 Correct 97 ms 95352 KB Output is correct
16 Correct 95 ms 95300 KB Output is correct
17 Correct 93 ms 94968 KB Output is correct
18 Correct 95 ms 95280 KB Output is correct
19 Correct 2392 ms 262144 KB Output is correct
20 Correct 2339 ms 262144 KB Output is correct
21 Correct 2370 ms 262144 KB Output is correct
22 Correct 2368 ms 262144 KB Output is correct
23 Correct 2214 ms 262144 KB Output is correct
24 Correct 326 ms 112628 KB Output is correct
25 Correct 299 ms 112864 KB Output is correct
26 Correct 258 ms 112624 KB Output is correct
27 Correct 289 ms 112624 KB Output is correct
28 Correct 284 ms 112724 KB Output is correct
29 Correct 244 ms 112496 KB Output is correct
30 Correct 233 ms 112568 KB Output is correct
31 Correct 247 ms 112380 KB Output is correct
32 Correct 125 ms 95864 KB Output is correct
33 Correct 246 ms 112368 KB Output is correct
34 Correct 768 ms 133740 KB Output is correct
35 Correct 710 ms 133688 KB Output is correct
36 Correct 578 ms 133228 KB Output is correct
37 Correct 612 ms 133996 KB Output is correct
38 Correct 580 ms 132824 KB Output is correct
39 Correct 460 ms 132624 KB Output is correct
40 Correct 449 ms 132460 KB Output is correct
41 Correct 487 ms 131072 KB Output is correct
42 Correct 497 ms 130924 KB Output is correct
43 Correct 501 ms 131024 KB Output is correct
44 Correct 514 ms 131136 KB Output is correct
45 Correct 519 ms 131052 KB Output is correct
46 Correct 537 ms 131436 KB Output is correct
47 Correct 541 ms 131828 KB Output is correct
48 Correct 577 ms 133228 KB Output is correct
49 Correct 391 ms 132852 KB Output is correct
50 Correct 391 ms 132844 KB Output is correct
51 Correct 389 ms 131228 KB Output is correct
52 Correct 404 ms 131180 KB Output is correct
53 Correct 389 ms 130852 KB Output is correct
54 Correct 476 ms 133228 KB Output is correct
55 Correct 349 ms 118116 KB Output is correct
56 Correct 489 ms 132664 KB Output is correct
57 Execution timed out 3046 ms 262144 KB Time limit exceeded
58 Halted 0 ms 0 KB -