Submission #167101

#	Time	Username	Problem	Language	Result	Execution time	Memory
167101		rzbt	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3032 ms	40776 KiB

sortbooks

#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 1000006
typedef long long ll;


using namespace std;

int n,m;
struct cvor{
    int minimum,maksimum,najraz;
};
int niz[MAXN];
cvor seg[4*MAXN];
vector<cvor> tren;
vector<int> mi,ma;
int tres;

void izgradi(int l,int d,int k){
    if(l==d){
        seg[k].minimum=niz[l];
        seg[k].maksimum=niz[l];
        seg[k].najraz=0;
        return;
    }
    int mid=(l+d)/2;
    izgradi(l,mid,k+k);
    izgradi(mid+1,d,k+k+1);
    seg[k].najraz=max(max(seg[k+k].najraz,seg[k+k+1].najraz),seg[k+k].maksimum-seg[k+k+1].minimum);
    seg[k].maksimum=max(seg[k+k].maksimum,seg[k+k+1].maksimum);
    seg[k].minimum=min(seg[k+k].minimum,seg[k+k+1].minimum);
}

void resi(int l,int d,int tl,int td,int k){
    if(l>td || d<tl)return;
    if(l>=tl && d<=td){
        tres=max(tres,seg[k].najraz);
        mi.pb(seg[k].minimum);
        ma.pb(seg[k].maksimum);
        return;
    }
    int mid=(l+d)/2;
    resi(l,mid,tl,td,k+k);
    resi(mid+1,d,tl,td,k+k+1);

}


int main()
{
    scanf("%d %d", &n, &m);
    for(int i=1;i<=n;i++){
        scanf("%d",niz+i);
    }
    izgradi(1,n,1);
    while(m--){
        int tl,td,k;
        scanf("%d %d %d", &tl,&td, &k);
        resi(1,n,tl,td,1);
        for(int i=1;i<ma.size();i++){
            ma[i]=max(ma[i-1],ma[i]);
        }
        for(int i=mi.size()-2;i>=0;i--){
            ma[i]=max(ma[i-1],ma[i]);
        }
        for(int i=1;i<ma.size();i++){
            tres=max(tres,ma[i-1]-mi[i]);
        }
        if(tres<=k)printf("1\n");
        else printf("0\n");
    }

    return 0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=1;i<ma.size();i++){
                     ~^~~~~~~~~~
sortbooks.cpp:70:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=1;i<ma.size();i++){
                     ~^~~~~~~~~~
sortbooks.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
sortbooks.cpp:57:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",niz+i);
         ~~~~~^~~~~~~~~~~~
sortbooks.cpp:62:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &tl,&td, &k);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23