oj.uz

Submission #145318

# Submission time Handle Problem Language Result Execution time Memory
145318 2019-08-19T15:06:28 Z davitmarg Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 1777 ms 55712 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];
LL ans,mx[4*1000006];
pair<LL,LL> t[4*1000006];

void build(int v,int l,int r)
{
    int MX=0;
    for(int i=l;i<=r;i++)
    {
        mx[v]=max(mx[v],MX-(LL)a[i]);
        MX=max(MX,a[i]);
    }
    if(l==r)
    {
        t[v]=MP(a[l],a[l]);
        mx[v]=0;
        return;
    }
    int m=(l+r)/2;
    build(v*2,l,m);
    build(v*2+1,m+1,r);
    t[v].first=max(t[v*2].first,t[v*2+1].first);
    t[v].second=min(t[v*2].second,t[v*2+1].second);
    mx[v]=max(max(mx[v*2],mx[v*2+1]),t[v*2].first-t[v*2+1].second);
}

pair<LL,LL> get(int v,int l,int r,int i,int j)
{
    if(i>j)
        return MP(-1,mod*3ll);
    if(l==i && r==j)
    {
        ans=max(ans,mx[v]);
        return t[v];
    }
    int m=(l+r)>>1;
    pair<LL,LL> p1,p2;
    p1=get(v*2,l,m,i,min(j,m));
    p2=get(v*2+1,m+1,r,max(m+1,i),j);
    ans=max(p1.first-p2.second,ans);
    return MP(max(p1.first,p2.first),min(p1.second,p2.second));
}

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);
        k-=ans;
        //cout<<ans<<endl;
        printf("%d\n",(k>=0));
    }
	return 0;
}
 
/*
 
5 2
3 5 1 8 2
1 3 6
2 5 3

 
*/

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",a+i);
         ~~~~~^~~~~~~~~~
sortbooks.cpp:79:14: 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1777 ms 55712 KB Output is correct
2 Incorrect 1762 ms 55696 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 131 ms 7864 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 3 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -