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답안 #286331

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
286331 2020-08-30T09:54:16 Z SomeoneUnknown Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
64 / 100
 2469 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;
vector<int> bks;

struct node{
    int lo, hi, mid, heaviestswap;
    vector<int> svals;
    node *lft, *rght;

    node(int l, int h){
        lo = l;
        hi = h;
        mid = (l+h)/2;
        if(l == h){
            heaviestswap = 0;
            svals.push_back(bks[l]);
        }else{
            lft = new node(l, mid);
            rght = new node(mid+1, h);
            heaviestswap = max(lft->heaviestswap, rght->heaviestswap);
            bool hstbd = true;
            int lmax = lft->svals.back();
            if(lmax > rght->svals.back()){
                hstbd = false;
                heaviestswap = max(heaviestswap, lft->svals.back()+rght->svals.back());
            }//*/
            int lp = 0;
            int rp = 0;
            lft->svals.push_back(1000000009);
            rght->svals.push_back(1000000009);
            while(lp < lft->svals.size()-1 || rp < rght->svals.size()-1){
                if(hstbd && rght->svals[rp] >= lmax){
                    hstbd = false;
                    if(rp != 0){
                        heaviestswap = max(heaviestswap, lmax+rght->svals[rp-1]);
                    }
                }
                if(lft->svals[lp] > rght->svals[rp]){
                    svals.push_back(rght->svals[rp]);
                    ++rp;
                }else{
                    svals.push_back(lft->svals[lp]);
                    ++lp;
                }
            }
            lft->svals.pop_back();
            rght->svals.pop_back();
        }
    }

    int ghs(int l, int h){ //Get heaviest swap
        if(l <= lo && hi <= h){
            return heaviestswap;
        }
        //int rmin = mex;
        int lmax = -1000000009;
        int res = 0;
        if(l <= mid){
            res = max(res, lft->ghs(l,h));
            lmax = lft->glnstx(l,h,1000000009);
        }
        if(mid < h){
            res = max(res, rght->ghs(l,h));
            res = max(res, lmax+rght->glnstx(l,h,lmax));
        }
        return res;
    }

    int glnstx(int l, int h, int x){ //get largest number smaller than x
        if(l <= lo && hi <= h){
            if(x == 1000000009) return svals.back();
            int l1 = -1;
            int h1 = svals.size();
            while(h1-l1 > 1){
                int m1 = (h1+l1)/2;
                if(svals[m1] < x){
                    l1 = m1;
                }else{
                    h1 = m1;
                }
            }
            if(l1 == -1) return -1000000009;
            return svals[l1];
        }
        //int rmin = mex;
        int best = -1000000009;
        if(mid < h){
            best = max(best, rght->glnstx(l, h, x));
        }
        if(l <= mid){
            best = max(best, lft->glnstx(l, h, x));
        }
        return best;
    }
} *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->ghs(l,r) > w){
            printf("0\n");
        }else{
            printf("1\n");
        }
    }
}

Compilation message

sortbooks.cpp: In constructor 'node::node(int, int)':
sortbooks.cpp:31:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             while(lp < lft->svals.size()-1 || rp < rght->svals.size()-1){
      |                   ~~~^~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:31:50: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             while(lp < lft->svals.size()-1 || rp < rght->svals.size()-1){
      |                                               ~~~^~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:100:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  100 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
sortbooks.cpp:104:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  104 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~
sortbooks.cpp:110:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  110 |         scanf("%d %d %d", &l, &r, &w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 14 ms 1664 KB Output is correct
13 Correct 15 ms 1792 KB Output is correct
14 Correct 23 ms 1792 KB Output is correct
15 Correct 22 ms 1792 KB Output is correct
16 Correct 17 ms 1792 KB Output is correct
17 Correct 12 ms 1536 KB Output is correct
18 Correct 16 ms 1664 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 840 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 986 ms 29168 KB Output is correct
2 Correct 893 ms 29140 KB Output is correct
3 Correct 960 ms 29168 KB Output is correct
4 Correct 928 ms 28988 KB Output is correct
5 Correct 910 ms 29040 KB Output is correct
6 Correct 756 ms 28932 KB Output is correct
7 Correct 751 ms 28784 KB Output is correct
8 Correct 654 ms 28656 KB Output is correct
9 Correct 101 ms 2040 KB Output is correct
10 Correct 669 ms 28912 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 14 ms 1664 KB Output is correct
13 Correct 15 ms 1792 KB Output is correct
14 Correct 23 ms 1792 KB Output is correct
15 Correct 22 ms 1792 KB Output is correct
16 Correct 17 ms 1792 KB Output is correct
17 Correct 12 ms 1536 KB Output is correct
18 Correct 16 ms 1664 KB Output is correct
19 Correct 2469 ms 61172 KB Output is correct
20 Correct 2426 ms 61288 KB Output is correct
21 Correct 2060 ms 60908 KB Output is correct
22 Correct 2065 ms 60904 KB Output is correct
23 Correct 2118 ms 61160 KB Output is correct
24 Correct 1908 ms 60904 KB Output is correct
25 Correct 1869 ms 60912 KB Output is correct
26 Correct 2155 ms 61032 KB Output is correct
27 Correct 2125 ms 61164 KB Output is correct
28 Correct 2193 ms 61164 KB Output is correct
29 Correct 2230 ms 61172 KB Output is correct
30 Correct 2272 ms 61288 KB Output is correct
31 Correct 2310 ms 61340 KB Output is correct
32 Correct 2277 ms 61292 KB Output is correct
33 Correct 2282 ms 61364 KB Output is correct
34 Correct 1774 ms 60904 KB Output is correct
35 Correct 1771 ms 60956 KB Output is correct
36 Correct 1778 ms 60732 KB Output is correct
37 Correct 1781 ms 60752 KB Output is correct
38 Correct 1784 ms 60780 KB Output is correct
39 Correct 1795 ms 59916 KB Output is correct
40 Correct 1093 ms 43900 KB Output is correct
41 Correct 1572 ms 59240 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 14 ms 1664 KB Output is correct
13 Correct 15 ms 1792 KB Output is correct
14 Correct 23 ms 1792 KB Output is correct
15 Correct 22 ms 1792 KB Output is correct
16 Correct 17 ms 1792 KB Output is correct
17 Correct 12 ms 1536 KB Output is correct
18 Correct 16 ms 1664 KB Output is correct
19 Runtime error 840 ms 262148 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -