oj.uz

Submission #143472

# Submission time Handle Problem Language Result Execution time Memory
143472 2019-08-14T08:24:52 Z mat_v Arranging Shoes (IOI19_shoes) C++14
100 / 100
 203 ms 22648 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#define pb push_back

using namespace std;

int n;
vector<int> tike[200005][2];
int dokle[200005][2];
int seg[600005];
int lazy[600005];
bool bio[200005];
void init(int l, int r, int ind){
    if(l == r){
        seg[ind] = l;
        return;
    }
    int mid = (l + r) / 2;
    init(l, mid, ind * 2);
    init(mid + 1, r, ind * 2 + 1);
    seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
}
void propagate(int l, int r, int ind){
    if(lazy[ind] != 0){
        seg[ind] += (r - l + 1)*lazy[ind];
        int mid = (l + r) / 2;
        if(l < r){
            lazy[ind * 2] += lazy[ind];
            lazy[ind * 2 + 1] += lazy[ind];
        }
        lazy[ind] = 0;
    }
}
int query(int l,int r, int ind, int gde){
    propagate(l,r,ind);
    if(l == r)return seg[ind];
    int mid = (l + r)/2;
    if(gde <= mid)return query(l,mid,ind * 2, gde);
    else return query(mid + 1, r, ind * 2 + 1, gde);
}
void update(int l, int r, int ind, int levo, int desno, int val){
    propagate(l,r,ind);
    if(l >= levo && r <= desno){
        lazy[ind]+=val;
        propagate(l,r,ind);
        return;
    }
    if(desno < l || r < levo)return;
    int mid = (l + r) / 2;
    update(l,mid,ind * 2,levo,desno,val);
    update(mid + 1,r,ind * 2 + 1,levo,desno,val);
    propagate(l,mid,ind*2);
    propagate(mid+1,r,ind*2+1);
    seg[ind] = seg[ind*2] + seg[ind*2+1];
    propagate(l,r,ind);
}
long long count_swaps(std::vector<int> s) {
    n = s.size()/2;
    for(int i=0; i<2*n; i++){
        if(s[i] < 0)tike[abs(s[i])][0].pb(i);
        else tike[s[i]][1].pb(i);
    }
    int l = 0;
    int shift = 0;
    init(0,2*n-1,1);
    long long res = 0;
    for(int i=0; i<n; i++){
        while(bio[l])++l;
        int koji = abs(s[l]);
        int ind;
        if(s[l] < 0)ind = 1;
        else ind = 0;
        int gde = tike[koji][ind][dokle[koji][ind]];
        bio[gde] = 1;
        dokle[koji][ind]++;
        dokle[koji][ind^1]++;
        int pom = query(0,2*n-1,1,gde);
        //cout << pom << " " << gde << endl;
        update(0,2*n-1,1,0,gde - 1,1);
        //bio[l + 1] = 1;
        res += (pom - 2*(i) - 1);
        res += 1-ind;
        l ++;
    }
	return res;
}

Compilation message

shoes.cpp: In function 'void propagate(int, int, int)':
shoes.cpp:28:13: warning: unused variable 'mid' [-Wunused-variable]
         int mid = (l + r) / 2;
             ^~~
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:66:9: warning: unused variable 'shift' [-Wunused-variable]
     int shift = 0;
         ^~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9724 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9724 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 13 ms 9720 KB Output is correct
11 Correct 13 ms 9720 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9724 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 10 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9748 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 10 ms 9692 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9724 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 13 ms 9720 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9724 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 13 ms 9720 KB Output is correct
16 Correct 10 ms 9692 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 19 ms 10588 KB Output is correct
21 Correct 22 ms 10628 KB Output is correct
22 Correct 107 ms 16480 KB Output is correct
23 Correct 97 ms 16620 KB Output is correct
24 Correct 103 ms 16580 KB Output is correct
25 Correct 95 ms 15460 KB Output is correct
26 Correct 102 ms 16620 KB Output is correct
27 Correct 105 ms 16620 KB Output is correct
28 Correct 98 ms 15468 KB Output is correct
29 Correct 101 ms 15472 KB Output is correct
30 Correct 104 ms 15464 KB Output is correct
31 Correct 104 ms 16456 KB Output is correct
32 Correct 96 ms 15608 KB Output is correct
33 Correct 99 ms 15444 KB Output is correct
34 Correct 96 ms 15468 KB Output is correct
35 Correct 16 ms 9720 KB Output is correct
36 Correct 13 ms 9720 KB Output is correct
37 Correct 98 ms 15444 KB Output is correct
38 Correct 103 ms 15440 KB Output is correct
39 Correct 109 ms 15480 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 9720 KB Output is correct
2 Correct 10 ms 9768 KB Output is correct
3 Correct 11 ms 9832 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 156 ms 21488 KB Output is correct
6 Correct 128 ms 16760 KB Output is correct
7 Correct 156 ms 21544 KB Output is correct
8 Correct 100 ms 15416 KB Output is correct
9 Correct 156 ms 21516 KB Output is correct
10 Correct 155 ms 18552 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9724 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 13 ms 9720 KB Output is correct
11 Correct 13 ms 9720 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9724 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 10 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9748 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 10 ms 9692 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 11 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 12 ms 9848 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 11 ms 9848 KB Output is correct
44 Correct 12 ms 9848 KB Output is correct
45 Correct 12 ms 9848 KB Output is correct
46 Correct 12 ms 9848 KB Output is correct
47 Correct 15 ms 9848 KB Output is correct
48 Correct 12 ms 9848 KB Output is correct
49 Correct 12 ms 9848 KB Output is correct
50 Correct 11 ms 9848 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9724 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 13 ms 9720 KB Output is correct
11 Correct 13 ms 9720 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9724 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 10 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9748 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 10 ms 9692 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 11 ms 9720 KB Output is correct
39 Correct 11 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 13 ms 9720 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 10 ms 9720 KB Output is correct
44 Correct 10 ms 9720 KB Output is correct
45 Correct 10 ms 9720 KB Output is correct
46 Correct 10 ms 9720 KB Output is correct
47 Correct 10 ms 9724 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 13 ms 9720 KB Output is correct
50 Correct 10 ms 9692 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9720 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 19 ms 10588 KB Output is correct
55 Correct 22 ms 10628 KB Output is correct
56 Correct 107 ms 16480 KB Output is correct
57 Correct 97 ms 16620 KB Output is correct
58 Correct 103 ms 16580 KB Output is correct
59 Correct 95 ms 15460 KB Output is correct
60 Correct 102 ms 16620 KB Output is correct
61 Correct 105 ms 16620 KB Output is correct
62 Correct 98 ms 15468 KB Output is correct
63 Correct 101 ms 15472 KB Output is correct
64 Correct 104 ms 15464 KB Output is correct
65 Correct 104 ms 16456 KB Output is correct
66 Correct 96 ms 15608 KB Output is correct
67 Correct 99 ms 15444 KB Output is correct
68 Correct 96 ms 15468 KB Output is correct
69 Correct 16 ms 9720 KB Output is correct
70 Correct 13 ms 9720 KB Output is correct
71 Correct 98 ms 15444 KB Output is correct
72 Correct 103 ms 15440 KB Output is correct
73 Correct 109 ms 15480 KB Output is correct
74 Correct 13 ms 9720 KB Output is correct
75 Correct 10 ms 9768 KB Output is correct
76 Correct 11 ms 9832 KB Output is correct
77 Correct 11 ms 9720 KB Output is correct
78 Correct 156 ms 21488 KB Output is correct
79 Correct 128 ms 16760 KB Output is correct
80 Correct 156 ms 21544 KB Output is correct
81 Correct 100 ms 15416 KB Output is correct
82 Correct 156 ms 21516 KB Output is correct
83 Correct 155 ms 18552 KB Output is correct
84 Correct 10 ms 9720 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 11 ms 9720 KB Output is correct
87 Correct 11 ms 9720 KB Output is correct
88 Correct 12 ms 9848 KB Output is correct
89 Correct 11 ms 9848 KB Output is correct
90 Correct 11 ms 9848 KB Output is correct
91 Correct 12 ms 9848 KB Output is correct
92 Correct 12 ms 9848 KB Output is correct
93 Correct 12 ms 9848 KB Output is correct
94 Correct 15 ms 9848 KB Output is correct
95 Correct 12 ms 9848 KB Output is correct
96 Correct 12 ms 9848 KB Output is correct
97 Correct 11 ms 9848 KB Output is correct
98 Correct 11 ms 9720 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 12 ms 9848 KB Output is correct
101 Correct 24 ms 11132 KB Output is correct
102 Correct 23 ms 10744 KB Output is correct
103 Correct 203 ms 22648 KB Output is correct
104 Correct 148 ms 22648 KB Output is correct
105 Correct 175 ms 19912 KB Output is correct
106 Correct 154 ms 21624 KB Output is correct
107 Correct 142 ms 17996 KB Output is correct
108 Correct 142 ms 18296 KB Output is correct
109 Correct 100 ms 15732 KB Output is correct
110 Correct 96 ms 15484 KB Output is correct
111 Correct 154 ms 20856 KB Output is correct
112 Correct 182 ms 21332 KB Output is correct
113 Correct 163 ms 16964 KB Output is correct
114 Correct 152 ms 21496 KB Output is correct
115 Correct 151 ms 21576 KB Output is correct