Submission #167840

#	Time	Username	Problem	Language	Result	Execution time	Memory
167840		beso123	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3027 ms	42016 KiB

sortbooks

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=(1e6)+10;
int n,m,a[N],t[4*N],t1[4*N];
void UPD(int v,int i,int j,int pos,int val){
   if(i==j && pos==i){
    t[v]+=val;
    return;
   }
   int mid=(i+j)/2;
   if(pos<=mid)
        UPD(v*2,i,mid,pos,val);
   else
        UPD(v*2+1,mid+1,j,pos,val);
   t[v]=max(t[v*2],t[v*2+1]);
}
int GET(int v,int i,int j,int l,int r){
    if(l>r)
        return 0;
    if(i==l && j==r)
    return t[v];
    int mid=(i+j)/2;
    int g1=GET(v*2,i,mid,l,min(r,mid));
    int g2=GET(v*2+1,mid+1,j,max(l,mid+1),r);
    return max(g1,g2);
}
void build(int v,int i,int j){
    if(i==j){
        t1[v]=a[i];
        return;
    }
    int mid=(i+j)/2;
    build(v*2,i,mid);
    build(v*2+1,mid+1,j);
    t1[v]=min(t1[v*2],t1[v*2+1]);
}
int GET_min(int v,int i,int j,int l,int r){
    if(l>r)
        return INT_MAX;
    if(i==l && j==r)
    return t1[v];
    int mid=(i+j)/2;
    int g1=GET_min(v*2,i,mid,l,min(r,mid));
    int g2=GET_min(v*2+1,mid+1,j,max(l,mid+1),r);
    return min(g1,g2);
}
main(){
cin>>n>>m;
for(int k=1;k<=n;k++){
    cin>>a[k];
}
build(1,1,n);
if(a[1]>a[2])
    UPD(1,1,n,1,a[1]);
if(a[n]<a[n-1])
    UPD(1,1,n,n,a[n]);
for(int k=2;k<n;k++){
    if(a[k-1]<a[k] && a[k]<a[k+1])
    continue;
UPD(1,1,n,k,a[k]);
}
for(int k=1;k<=m;k++){
    int l,r,c;
    cin>>l>>r>>c;
    int mn=GET_min(1,1,n,l,r);
    if(a[l]<a[l+1])
        l++;
    if(a[r]>a[r-1])
        r--;
    int pas=GET(1,1,n,l,r);

   if(mn+pas>c && pas!=0)
    cout<<0<<endl;
   else cout<<1<<endl;
    
}
return 0;
}

Compilation message (stderr)

sortbooks.cpp:48:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

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