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답안 #145696

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
145696 2019-08-20T19:00:12 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)
        {
            get(1,1,n,l,r,-1);
            printf("%c",'0'+(k>=ans));
        }
        else
        {
            get2(1,1,n,l,r);
            printf("%d",(ans==0));
        }
        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

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 88 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 91 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 97 ms 94332 KB Output is correct
9 Correct 90 ms 94276 KB Output is correct
10 Correct 89 ms 94300 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 88 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 91 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 97 ms 94332 KB Output is correct
9 Correct 90 ms 94276 KB Output is correct
10 Correct 89 ms 94300 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95140 KB Output is correct
13 Correct 96 ms 95224 KB Output is correct
14 Correct 116 ms 95312 KB Output is correct
15 Correct 113 ms 95428 KB Output is correct
16 Correct 101 ms 95192 KB Output is correct
17 Correct 108 ms 95008 KB Output is correct
18 Correct 97 ms 95224 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3023 ms 262144 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 376 ms 112912 KB Output is correct
2 Correct 319 ms 112600 KB Output is correct
3 Correct 263 ms 112624 KB Output is correct
4 Correct 261 ms 112676 KB Output is correct
5 Correct 263 ms 112696 KB Output is correct
6 Correct 230 ms 112624 KB Output is correct
7 Correct 216 ms 112780 KB Output is correct
8 Correct 245 ms 112392 KB Output is correct
9 Correct 126 ms 95864 KB Output is correct
10 Correct 244 ms 112420 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 88 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 91 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 97 ms 94332 KB Output is correct
9 Correct 90 ms 94276 KB Output is correct
10 Correct 89 ms 94300 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95140 KB Output is correct
13 Correct 96 ms 95224 KB Output is correct
14 Correct 116 ms 95312 KB Output is correct
15 Correct 113 ms 95428 KB Output is correct
16 Correct 101 ms 95192 KB Output is correct
17 Correct 108 ms 95008 KB Output is correct
18 Correct 97 ms 95224 KB Output is correct
19 Correct 713 ms 134060 KB Output is correct
20 Correct 749 ms 134004 KB Output is correct
21 Correct 596 ms 134332 KB Output is correct
22 Correct 584 ms 133100 KB Output is correct
23 Correct 588 ms 130800 KB Output is correct
24 Correct 433 ms 131492 KB Output is correct
25 Correct 406 ms 131416 KB Output is correct
26 Correct 482 ms 130768 KB Output is correct
27 Correct 497 ms 130924 KB Output is correct
28 Correct 573 ms 130808 KB Output is correct
29 Correct 524 ms 130812 KB Output is correct
30 Correct 522 ms 130924 KB Output is correct
31 Correct 520 ms 130412 KB Output is correct
32 Correct 537 ms 130512 KB Output is correct
33 Correct 546 ms 131024 KB Output is correct
34 Correct 394 ms 131056 KB Output is correct
35 Correct 394 ms 131024 KB Output is correct
36 Correct 418 ms 131644 KB Output is correct
37 Correct 417 ms 131724 KB Output is correct
38 Correct 422 ms 131052 KB Output is correct
39 Correct 483 ms 133104 KB Output is correct
40 Correct 337 ms 118000 KB Output is correct
41 Correct 488 ms 132716 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 89 ms 94328 KB Output is correct
2 Correct 89 ms 94328 KB Output is correct
3 Correct 88 ms 94328 KB Output is correct
4 Correct 88 ms 94328 KB Output is correct
5 Correct 89 ms 94328 KB Output is correct
6 Correct 91 ms 94328 KB Output is correct
7 Correct 89 ms 94328 KB Output is correct
8 Correct 97 ms 94332 KB Output is correct
9 Correct 90 ms 94276 KB Output is correct
10 Correct 89 ms 94300 KB Output is correct
11 Correct 92 ms 94584 KB Output is correct
12 Correct 95 ms 95140 KB Output is correct
13 Correct 96 ms 95224 KB Output is correct
14 Correct 116 ms 95312 KB Output is correct
15 Correct 113 ms 95428 KB Output is correct
16 Correct 101 ms 95192 KB Output is correct
17 Correct 108 ms 95008 KB Output is correct
18 Correct 97 ms 95224 KB Output is correct
19 Execution timed out 3023 ms 262144 KB Time limit exceeded
20 Halted 0 ms 0 KB -