Submission #226577

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
226577	2020-04-24 11:42:24	MKopchev	Growing Trees (BOI11_grow)	C++14	100 / 100	149 ms	3832 KiB

grow

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#include<bits/stdc++.h>
using namespace std;
const int nmax=1e5+42;
int n,q;
int inp[nmax];
long long pref[nmax];
void update(int pos,int val)
{
    //cout<<"update "<<pos<<" "<<val<<endl;
    while(pos<=n)
    {
        pref[pos]+=val;
        pos=pos+(pos&(-pos));
    }
}
void update_interval(int l,int r,int val)
{
    //cout<<"update_interval "<<l<<" "<<r<<" "<<val<<endl;
    update(l,val);
    update(r+1,-val);
}
int query(int pos)
{
    //cout<<"query "<<pos<<endl;
    long long ret=0;
    while(pos)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

grow.cpp: In function 'int main()':
grow.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i%i",&n,&q);
     ~~~~~^~~~~~~~~~~~~~
grow.cpp:56:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++)scanf("%i",&inp[i]);
                          ~~~~~^~~~~~~~~~~~~~
grow.cpp:73:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%i%i",&mini,&maxi);
             ~~~~~^~~~~~~~~~~~~~~~~~~~
grow.cpp:79:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%i%i",&cnt,&height);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10