oj.uz

Submission #143474

# Submission time Handle Problem Language Result Execution time Memory
143474 2019-08-14T08:26:51 Z mat_v Arranging Shoes (IOI19_shoes) C++14
100 / 100
 197 ms 18040 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#define pb push_back

using namespace std;

int n;
vector<int> tike[100005][2];
int dokle[100005][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 6 ms 5084 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5084 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 9 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 7 ms 5084 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 7 ms 5112 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 11 ms 5112 KB Output is correct
11 Correct 6 ms 5112 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5116 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 4 ms 5112 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 7 ms 5112 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 8 ms 5056 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 7 ms 5112 KB Output is correct
36 Correct 8 ms 4984 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5084 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 7 ms 5156 KB Output is correct
4 Correct 7 ms 5084 KB Output is correct
5 Correct 7 ms 5112 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 9 ms 4984 KB Output is correct
8 Correct 10 ms 5060 KB Output is correct
9 Correct 8 ms 4984 KB Output is correct
10 Correct 6 ms 5112 KB Output is correct
11 Correct 8 ms 4984 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 4984 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 5112 KB Output is correct
17 Correct 6 ms 4984 KB Output is correct
18 Correct 7 ms 5112 KB Output is correct
19 Correct 8 ms 5112 KB Output is correct
20 Correct 15 ms 5880 KB Output is correct
21 Correct 14 ms 5880 KB Output is correct
22 Correct 97 ms 11840 KB Output is correct
23 Correct 93 ms 11856 KB Output is correct
24 Correct 98 ms 11884 KB Output is correct
25 Correct 95 ms 10864 KB Output is correct
26 Correct 100 ms 11900 KB Output is correct
27 Correct 95 ms 11952 KB Output is correct
28 Correct 91 ms 10736 KB Output is correct
29 Correct 91 ms 10772 KB Output is correct
30 Correct 91 ms 10736 KB Output is correct
31 Correct 98 ms 11780 KB Output is correct
32 Correct 91 ms 10736 KB Output is correct
33 Correct 90 ms 10736 KB Output is correct
34 Correct 91 ms 10736 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 91 ms 10736 KB Output is correct
38 Correct 94 ms 10740 KB Output is correct
39 Correct 92 ms 10864 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5116 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 145 ms 16892 KB Output is correct
6 Correct 126 ms 11996 KB Output is correct
7 Correct 153 ms 16816 KB Output is correct
8 Correct 97 ms 10768 KB Output is correct
9 Correct 150 ms 16888 KB Output is correct
10 Correct 144 ms 13788 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5084 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 9 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 7 ms 5084 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 7 ms 5112 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 11 ms 5112 KB Output is correct
11 Correct 6 ms 5112 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5116 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 4 ms 5112 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 7 ms 5112 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 8 ms 5056 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 7 ms 5112 KB Output is correct
36 Correct 8 ms 4984 KB Output is correct
37 Correct 6 ms 5112 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 5112 KB Output is correct
40 Correct 7 ms 5112 KB Output is correct
41 Correct 8 ms 5112 KB Output is correct
42 Correct 8 ms 5112 KB Output is correct
43 Correct 9 ms 5112 KB Output is correct
44 Correct 9 ms 5112 KB Output is correct
45 Correct 8 ms 5112 KB Output is correct
46 Correct 8 ms 5112 KB Output is correct
47 Correct 7 ms 5112 KB Output is correct
48 Correct 8 ms 5056 KB Output is correct
49 Correct 7 ms 5032 KB Output is correct
50 Correct 7 ms 5112 KB Output is correct
51 Correct 7 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5084 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 9 ms 5112 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 7 ms 5084 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 7 ms 5112 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 11 ms 5112 KB Output is correct
11 Correct 6 ms 5112 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5116 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 4 ms 5112 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 7 ms 5112 KB Output is correct
20 Correct 6 ms 4984 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 5112 KB Output is correct
23 Correct 6 ms 5112 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 6 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 8 ms 5056 KB Output is correct
30 Correct 6 ms 4984 KB Output is correct
31 Correct 6 ms 4984 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 7 ms 5112 KB Output is correct
36 Correct 8 ms 4984 KB Output is correct
37 Correct 7 ms 5156 KB Output is correct
38 Correct 7 ms 5084 KB Output is correct
39 Correct 7 ms 5112 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 9 ms 4984 KB Output is correct
42 Correct 10 ms 5060 KB Output is correct
43 Correct 8 ms 4984 KB Output is correct
44 Correct 6 ms 5112 KB Output is correct
45 Correct 8 ms 4984 KB Output is correct
46 Correct 6 ms 5112 KB Output is correct
47 Correct 6 ms 4984 KB Output is correct
48 Correct 6 ms 4984 KB Output is correct
49 Correct 6 ms 4984 KB Output is correct
50 Correct 6 ms 5112 KB Output is correct
51 Correct 6 ms 4984 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct
53 Correct 8 ms 5112 KB Output is correct
54 Correct 15 ms 5880 KB Output is correct
55 Correct 14 ms 5880 KB Output is correct
56 Correct 97 ms 11840 KB Output is correct
57 Correct 93 ms 11856 KB Output is correct
58 Correct 98 ms 11884 KB Output is correct
59 Correct 95 ms 10864 KB Output is correct
60 Correct 100 ms 11900 KB Output is correct
61 Correct 95 ms 11952 KB Output is correct
62 Correct 91 ms 10736 KB Output is correct
63 Correct 91 ms 10772 KB Output is correct
64 Correct 91 ms 10736 KB Output is correct
65 Correct 98 ms 11780 KB Output is correct
66 Correct 91 ms 10736 KB Output is correct
67 Correct 90 ms 10736 KB Output is correct
68 Correct 91 ms 10736 KB Output is correct
69 Correct 6 ms 4984 KB Output is correct
70 Correct 6 ms 4984 KB Output is correct
71 Correct 91 ms 10736 KB Output is correct
72 Correct 94 ms 10740 KB Output is correct
73 Correct 92 ms 10864 KB Output is correct
74 Correct 6 ms 5116 KB Output is correct
75 Correct 6 ms 5112 KB Output is correct
76 Correct 6 ms 4984 KB Output is correct
77 Correct 6 ms 5112 KB Output is correct
78 Correct 145 ms 16892 KB Output is correct
79 Correct 126 ms 11996 KB Output is correct
80 Correct 153 ms 16816 KB Output is correct
81 Correct 97 ms 10768 KB Output is correct
82 Correct 150 ms 16888 KB Output is correct
83 Correct 144 ms 13788 KB Output is correct
84 Correct 6 ms 5112 KB Output is correct
85 Correct 6 ms 4984 KB Output is correct
86 Correct 6 ms 5112 KB Output is correct
87 Correct 7 ms 5112 KB Output is correct
88 Correct 8 ms 5112 KB Output is correct
89 Correct 8 ms 5112 KB Output is correct
90 Correct 9 ms 5112 KB Output is correct
91 Correct 9 ms 5112 KB Output is correct
92 Correct 8 ms 5112 KB Output is correct
93 Correct 8 ms 5112 KB Output is correct
94 Correct 7 ms 5112 KB Output is correct
95 Correct 8 ms 5056 KB Output is correct
96 Correct 7 ms 5032 KB Output is correct
97 Correct 7 ms 5112 KB Output is correct
98 Correct 7 ms 5112 KB Output is correct
99 Correct 7 ms 5112 KB Output is correct
100 Correct 7 ms 5112 KB Output is correct
101 Correct 20 ms 6520 KB Output is correct
102 Correct 18 ms 6008 KB Output is correct
103 Correct 197 ms 18040 KB Output is correct
104 Correct 142 ms 17916 KB Output is correct
105 Correct 170 ms 15292 KB Output is correct
106 Correct 148 ms 16908 KB Output is correct
107 Correct 165 ms 13304 KB Output is correct
108 Correct 146 ms 13816 KB Output is correct
109 Correct 96 ms 11120 KB Output is correct
110 Correct 92 ms 10752 KB Output is correct
111 Correct 150 ms 16240 KB Output is correct
112 Correct 194 ms 16504 KB Output is correct
113 Correct 158 ms 12224 KB Output is correct
114 Correct 147 ms 16864 KB Output is correct
115 Correct 151 ms 16860 KB Output is correct