Submission #894535

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
894535	2023-12-28 11:45:41	Andrey	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	100 / 100	982 ms	88320 KiB

sortbooks

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#include <bits/stdc++.h>
using namespace std;
vector<int> seg(4000001);
vector<int> wow(4000001);
int calc(int l, int r, int ql, int qr, int x) {
    if(l == ql && r == qr) {
        return seg[x];
    }
    int m = (l+r)/2,ans = 0;
    if(qr <= m) {
        ans = calc(l,m,ql,qr,x*2+1);
    }
    else if(ql > m) {
        ans = calc(m+1,r,ql,qr,x*2+2);
    }
    else {
        ans = calc(l,m,ql,m,x*2+1);
        ans = max(ans,calc(m+1,r,m+1,qr,x*2+2));
    }
    return max(ans,wow[x]);
}
void upd(int l, int r, int ql, int qr, int x, int a) {
    if(l == ql && r == qr) {
        wow[x] = max(wow[x],a);
        seg[x] = max(seg[x],a);
        return;
    }
 
 
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Compilation message (stderr)

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:50:17: warning: unused variable 'c' [-Wunused-variable]
   50 |     int n,q,a,b,c,y = 0;
      |                 ^

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