Submission #286270

#	Time	Username	Problem	Language	Result	Execution time	Memory
286270		SomeoneUnknown	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3073 ms	115064 KiB

sortbooks

#include <bits/stdc++.h>
using namespace std;
vector<int> bks;

struct node{
    int lo, hi, mid, heaviestswap, mex, meen;
    node *lft, *rght;

    node(int l, int h){
        lo = l;
        hi = h;
        mid = (l+h)/2;
        if(l == h){
            heaviestswap = 0;
            mex = meen = bks[l];
        }else{
            lft = new node(l, mid);
            rght = new node(mid+1, h);
            mex = max(lft->mex, rght->mex);
            meen = min(lft->meen, rght->meen);
            heaviestswap = max(max(lft->heaviestswap, rght->heaviestswap), mex-meen);
        }
    }

    vector<int> query(int l, int h){
        vector<int> res;
        if(l <= lo && hi <= h){
            res.push_back(meen);
            res.push_back(heaviestswap);
            res.push_back(mex);
            return res;
        }
        res.push_back(mex);
        res.push_back(0);
        res.push_back(meen);
        int rmin = mex;
        if(mid < h){
            vector<int> qres = rght->query(l, h);
            res[0] = min(res[0], qres[0]);
            res[2] = max(res[2], qres[2]);
            res[1] = max(res[1], qres[1]);
        }
        if(l <= mid){
            vector<int> qres = lft->query(l, h);
            res[1] = max(res[1], qres[2]-res[0]);
            res[1] = max(res[1], qres[1]);
            res[0] = min(res[0], qres[0]);
            res[2] = max(res[2], qres[2]);
        }
        return res;
    }
} *root;


int main(){
    int n, q;
    scanf("%d %d", &n, &q);
    bks.push_back(0);
    for(int i = 0; i < n; ++i){
        int x;
        scanf("%d", &x);
        bks.push_back(x);
    }
    root = new node(1, n);
    for(int i = 0; i < q; ++i){
        int l, r, w;
        scanf("%d %d %d", &l, &r, &w);
        if(root->query(l,r)[1] > w){
            printf("0\n");
        }else{
            printf("1\n");
        }
    }
}

Compilation message (stderr)

sortbooks.cpp: In member function 'std::vector<int> node::query(int, int)':
sortbooks.cpp:36:13: warning: unused variable 'rmin' [-Wunused-variable]
   36 |         int rmin = mex;
      |             ^~~~
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:57:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   57 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
sortbooks.cpp:61:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   61 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~
sortbooks.cpp:67:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   67 |         scanf("%d %d %d", &l, &r, &w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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