oj.uz

Submission #397703

# Submission time Handle Problem Language Result Execution time Memory
397703 2021-05-02T22:27:00 Z ly20 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 250 ms 22240 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 212345;
vector <int> v[2 * MAXN];
int id1[2 * MAXN];
int seg[4 * MAXN];
int query(int cur, int ini, int fim, int a, int b) {
    if(ini > b || fim < a) return 0;
    if(ini >= a && fim <= b) return seg[cur];
    int m = (ini + fim) / 2;
    int e = 2 * cur, d = 2 * cur + 1;
    return query(e, ini, m, a, b) + query(d, m + 1, fim, a, b);
}
void update(int cur, int ini, int fim, int id, int val) {
    if(ini > id || fim < id) return;
    if(ini == fim) {
        seg[cur] = val;
        return;
    }
    int m = (ini + fim) / 2;
    int e = 2 * cur, d = 2 * cur + 1;
    update(e, ini, m, id, val); update(d, m + 1, fim, id, val);
    seg[cur] = seg[e] + seg[d];
}
long long count_swaps(vector<int> s) {
	int n = s.size();
	long long resp = 0;
    for(int i = 0; i < n; i++) {
        update(1, 0, n - 1, i, 1);
        int a = s[i];
        if(a < 0) {
            a = -a + MAXN;
        }
        v[a].push_back(i);
    }
    for(int i = 0; i < n; i++) {
        if(query(1, 0, n - 1, i, i) == 0) continue;
        if(s[i] > 0) resp++;
        int a = s[i], b = -s[i];
        if(a < 0) {
            a = -a + MAXN;
        }
        if(b < 0) {
            b = -b + MAXN;
        }
        int ida = v[a][id1[a]], idb = v[b][id1[b]];
        int q = query(1, 0, n - 1, 0, ida), r = query(1, 0, n - 1, 0, idb);
        resp += q + r - 3;
        id1[a]++; id1[b]++;
        //printf("%d %d\n", query(1, 0, n - 1, 0, ida), query(1, 0, n - 1, 0, idb));
         //resp += query(1, 0, n - 1, 0, ida) + query(1, 0, n - 1, 0, idb) - 2;
        //id1[a]++; id1[b]++;
        update(1, 0, n - 1, ida, 0); update(1, 0, n - 1, idb, 0);
        //printf("%d\n", resp);
    }
    return resp;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10284 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10284 KB Output is correct
3 Correct 7 ms 10188 KB Output is correct
4 Correct 7 ms 10188 KB Output is correct
5 Correct 7 ms 10188 KB Output is correct
6 Correct 7 ms 10316 KB Output is correct
7 Correct 7 ms 10188 KB Output is correct
8 Correct 7 ms 10188 KB Output is correct
9 Correct 7 ms 10192 KB Output is correct
10 Correct 7 ms 10232 KB Output is correct
11 Correct 7 ms 10188 KB Output is correct
12 Correct 7 ms 10188 KB Output is correct
13 Correct 7 ms 10188 KB Output is correct
14 Correct 7 ms 10188 KB Output is correct
15 Correct 7 ms 10188 KB Output is correct
16 Correct 7 ms 10188 KB Output is correct
17 Correct 7 ms 10188 KB Output is correct
18 Correct 7 ms 10392 KB Output is correct
19 Correct 7 ms 10188 KB Output is correct
20 Correct 7 ms 10188 KB Output is correct
21 Correct 7 ms 10188 KB Output is correct
22 Correct 7 ms 10280 KB Output is correct
23 Correct 7 ms 10188 KB Output is correct
24 Correct 7 ms 10188 KB Output is correct
25 Correct 7 ms 10256 KB Output is correct
26 Correct 7 ms 10188 KB Output is correct
27 Correct 7 ms 10188 KB Output is correct
28 Correct 7 ms 10276 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 7 ms 10268 KB Output is correct
31 Correct 8 ms 10280 KB Output is correct
32 Correct 7 ms 10188 KB Output is correct
33 Correct 7 ms 10188 KB Output is correct
34 Correct 7 ms 10188 KB Output is correct
35 Correct 7 ms 10188 KB Output is correct
36 Correct 7 ms 10284 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10284 KB Output is correct
3 Correct 7 ms 10188 KB Output is correct
4 Correct 7 ms 10260 KB Output is correct
5 Correct 7 ms 10280 KB Output is correct
6 Correct 7 ms 10188 KB Output is correct
7 Correct 7 ms 10288 KB Output is correct
8 Correct 7 ms 10188 KB Output is correct
9 Correct 7 ms 10188 KB Output is correct
10 Correct 7 ms 10188 KB Output is correct
11 Correct 7 ms 10188 KB Output is correct
12 Correct 7 ms 10188 KB Output is correct
13 Correct 7 ms 10188 KB Output is correct
14 Correct 7 ms 10280 KB Output is correct
15 Correct 7 ms 10188 KB Output is correct
16 Correct 7 ms 10188 KB Output is correct
17 Correct 7 ms 10316 KB Output is correct
18 Correct 8 ms 10316 KB Output is correct
19 Correct 8 ms 10320 KB Output is correct
20 Correct 24 ms 10956 KB Output is correct
21 Correct 22 ms 10936 KB Output is correct
22 Correct 187 ms 16084 KB Output is correct
23 Correct 189 ms 16056 KB Output is correct
24 Correct 183 ms 16032 KB Output is correct
25 Correct 179 ms 15912 KB Output is correct
26 Correct 190 ms 16176 KB Output is correct
27 Correct 184 ms 16024 KB Output is correct
28 Correct 179 ms 16044 KB Output is correct
29 Correct 184 ms 16060 KB Output is correct
30 Correct 179 ms 16032 KB Output is correct
31 Correct 186 ms 16040 KB Output is correct
32 Correct 179 ms 16164 KB Output is correct
33 Correct 177 ms 15804 KB Output is correct
34 Correct 179 ms 16028 KB Output is correct
35 Correct 7 ms 10192 KB Output is correct
36 Correct 7 ms 10188 KB Output is correct
37 Correct 180 ms 16020 KB Output is correct
38 Correct 178 ms 16036 KB Output is correct
39 Correct 177 ms 16060 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10188 KB Output is correct
3 Correct 7 ms 10188 KB Output is correct
4 Correct 7 ms 10188 KB Output is correct
5 Correct 215 ms 21032 KB Output is correct
6 Correct 200 ms 16056 KB Output is correct
7 Correct 211 ms 20928 KB Output is correct
8 Correct 180 ms 14936 KB Output is correct
9 Correct 208 ms 20932 KB Output is correct
10 Correct 212 ms 17852 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10284 KB Output is correct
3 Correct 7 ms 10188 KB Output is correct
4 Correct 7 ms 10188 KB Output is correct
5 Correct 7 ms 10188 KB Output is correct
6 Correct 7 ms 10316 KB Output is correct
7 Correct 7 ms 10188 KB Output is correct
8 Correct 7 ms 10188 KB Output is correct
9 Correct 7 ms 10192 KB Output is correct
10 Correct 7 ms 10232 KB Output is correct
11 Correct 7 ms 10188 KB Output is correct
12 Correct 7 ms 10188 KB Output is correct
13 Correct 7 ms 10188 KB Output is correct
14 Correct 7 ms 10188 KB Output is correct
15 Correct 7 ms 10188 KB Output is correct
16 Correct 7 ms 10188 KB Output is correct
17 Correct 7 ms 10188 KB Output is correct
18 Correct 7 ms 10392 KB Output is correct
19 Correct 7 ms 10188 KB Output is correct
20 Correct 7 ms 10188 KB Output is correct
21 Correct 7 ms 10188 KB Output is correct
22 Correct 7 ms 10280 KB Output is correct
23 Correct 7 ms 10188 KB Output is correct
24 Correct 7 ms 10188 KB Output is correct
25 Correct 7 ms 10256 KB Output is correct
26 Correct 7 ms 10188 KB Output is correct
27 Correct 7 ms 10188 KB Output is correct
28 Correct 7 ms 10276 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 7 ms 10268 KB Output is correct
31 Correct 8 ms 10280 KB Output is correct
32 Correct 7 ms 10188 KB Output is correct
33 Correct 7 ms 10188 KB Output is correct
34 Correct 7 ms 10188 KB Output is correct
35 Correct 7 ms 10188 KB Output is correct
36 Correct 7 ms 10284 KB Output is correct
37 Correct 7 ms 10188 KB Output is correct
38 Correct 7 ms 10188 KB Output is correct
39 Correct 7 ms 10188 KB Output is correct
40 Correct 9 ms 10444 KB Output is correct
41 Correct 8 ms 10288 KB Output is correct
42 Correct 8 ms 10308 KB Output is correct
43 Correct 8 ms 10316 KB Output is correct
44 Correct 9 ms 10316 KB Output is correct
45 Correct 8 ms 10316 KB Output is correct
46 Correct 8 ms 10328 KB Output is correct
47 Correct 8 ms 10316 KB Output is correct
48 Correct 8 ms 10256 KB Output is correct
49 Correct 8 ms 10316 KB Output is correct
50 Correct 8 ms 10316 KB Output is correct
51 Correct 8 ms 10252 KB Output is correct
52 Correct 8 ms 10328 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 10188 KB Output is correct
2 Correct 7 ms 10284 KB Output is correct
3 Correct 7 ms 10188 KB Output is correct
4 Correct 7 ms 10188 KB Output is correct
5 Correct 7 ms 10188 KB Output is correct
6 Correct 7 ms 10316 KB Output is correct
7 Correct 7 ms 10188 KB Output is correct
8 Correct 7 ms 10188 KB Output is correct
9 Correct 7 ms 10192 KB Output is correct
10 Correct 7 ms 10232 KB Output is correct
11 Correct 7 ms 10188 KB Output is correct
12 Correct 7 ms 10188 KB Output is correct
13 Correct 7 ms 10188 KB Output is correct
14 Correct 7 ms 10188 KB Output is correct
15 Correct 7 ms 10188 KB Output is correct
16 Correct 7 ms 10188 KB Output is correct
17 Correct 7 ms 10188 KB Output is correct
18 Correct 7 ms 10392 KB Output is correct
19 Correct 7 ms 10188 KB Output is correct
20 Correct 7 ms 10188 KB Output is correct
21 Correct 7 ms 10188 KB Output is correct
22 Correct 7 ms 10280 KB Output is correct
23 Correct 7 ms 10188 KB Output is correct
24 Correct 7 ms 10188 KB Output is correct
25 Correct 7 ms 10256 KB Output is correct
26 Correct 7 ms 10188 KB Output is correct
27 Correct 7 ms 10188 KB Output is correct
28 Correct 7 ms 10276 KB Output is correct
29 Correct 7 ms 10188 KB Output is correct
30 Correct 7 ms 10268 KB Output is correct
31 Correct 8 ms 10280 KB Output is correct
32 Correct 7 ms 10188 KB Output is correct
33 Correct 7 ms 10188 KB Output is correct
34 Correct 7 ms 10188 KB Output is correct
35 Correct 7 ms 10188 KB Output is correct
36 Correct 7 ms 10284 KB Output is correct
37 Correct 7 ms 10188 KB Output is correct
38 Correct 7 ms 10260 KB Output is correct
39 Correct 7 ms 10280 KB Output is correct
40 Correct 7 ms 10188 KB Output is correct
41 Correct 7 ms 10288 KB Output is correct
42 Correct 7 ms 10188 KB Output is correct
43 Correct 7 ms 10188 KB Output is correct
44 Correct 7 ms 10188 KB Output is correct
45 Correct 7 ms 10188 KB Output is correct
46 Correct 7 ms 10188 KB Output is correct
47 Correct 7 ms 10188 KB Output is correct
48 Correct 7 ms 10280 KB Output is correct
49 Correct 7 ms 10188 KB Output is correct
50 Correct 7 ms 10188 KB Output is correct
51 Correct 7 ms 10316 KB Output is correct
52 Correct 8 ms 10316 KB Output is correct
53 Correct 8 ms 10320 KB Output is correct
54 Correct 24 ms 10956 KB Output is correct
55 Correct 22 ms 10936 KB Output is correct
56 Correct 187 ms 16084 KB Output is correct
57 Correct 189 ms 16056 KB Output is correct
58 Correct 183 ms 16032 KB Output is correct
59 Correct 179 ms 15912 KB Output is correct
60 Correct 190 ms 16176 KB Output is correct
61 Correct 184 ms 16024 KB Output is correct
62 Correct 179 ms 16044 KB Output is correct
63 Correct 184 ms 16060 KB Output is correct
64 Correct 179 ms 16032 KB Output is correct
65 Correct 186 ms 16040 KB Output is correct
66 Correct 179 ms 16164 KB Output is correct
67 Correct 177 ms 15804 KB Output is correct
68 Correct 179 ms 16028 KB Output is correct
69 Correct 7 ms 10192 KB Output is correct
70 Correct 7 ms 10188 KB Output is correct
71 Correct 180 ms 16020 KB Output is correct
72 Correct 178 ms 16036 KB Output is correct
73 Correct 177 ms 16060 KB Output is correct
74 Correct 7 ms 10188 KB Output is correct
75 Correct 7 ms 10188 KB Output is correct
76 Correct 7 ms 10188 KB Output is correct
77 Correct 7 ms 10188 KB Output is correct
78 Correct 215 ms 21032 KB Output is correct
79 Correct 200 ms 16056 KB Output is correct
80 Correct 211 ms 20928 KB Output is correct
81 Correct 180 ms 14936 KB Output is correct
82 Correct 208 ms 20932 KB Output is correct
83 Correct 212 ms 17852 KB Output is correct
84 Correct 7 ms 10188 KB Output is correct
85 Correct 7 ms 10188 KB Output is correct
86 Correct 7 ms 10188 KB Output is correct
87 Correct 9 ms 10444 KB Output is correct
88 Correct 8 ms 10288 KB Output is correct
89 Correct 8 ms 10308 KB Output is correct
90 Correct 8 ms 10316 KB Output is correct
91 Correct 9 ms 10316 KB Output is correct
92 Correct 8 ms 10316 KB Output is correct
93 Correct 8 ms 10328 KB Output is correct
94 Correct 8 ms 10316 KB Output is correct
95 Correct 8 ms 10256 KB Output is correct
96 Correct 8 ms 10316 KB Output is correct
97 Correct 8 ms 10316 KB Output is correct
98 Correct 8 ms 10252 KB Output is correct
99 Correct 8 ms 10328 KB Output is correct
100 Correct 9 ms 10360 KB Output is correct
101 Correct 25 ms 11456 KB Output is correct
102 Correct 24 ms 11084 KB Output is correct
103 Correct 250 ms 22192 KB Output is correct
104 Correct 234 ms 22240 KB Output is correct
105 Correct 244 ms 19500 KB Output is correct
106 Correct 211 ms 22188 KB Output is correct
107 Correct 216 ms 17408 KB Output is correct
108 Correct 218 ms 17992 KB Output is correct
109 Correct 183 ms 16372 KB Output is correct
110 Correct 177 ms 16060 KB Output is correct
111 Correct 217 ms 21568 KB Output is correct
112 Correct 242 ms 20800 KB Output is correct
113 Correct 217 ms 17440 KB Output is correct
114 Correct 216 ms 22084 KB Output is correct
115 Correct 218 ms 22168 KB Output is correct