oj.uz

Submission #533031

# Submission time Handle Problem Language Result Execution time Memory
533031 2022-03-04T13:59:44 Z DJ035 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 174 ms 156264 KB 
#include "shoes.h"
# pragma GCC optimize ("O3")
# pragma GCC optimize ("Ofast")
# pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2")
#include <bits/stdc++.h>
#define MEM 111111
#define sanic ios_base::sync_with_stdio(0)
#define x first
#define y second
#define pf push_front
#define pb push_back
#define all(v) v.begin(), v.end()
#define sz size()
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pi;
const ll MOD = 1e9+7;
const ll INF = 2e14+7;
ll mul(ll a, ll b){
    return ((a*b)%MOD+MOD)%MOD;
}
ll add(ll a, ll b){
    return ((a+b)%MOD+MOD)%MOD;
}
ll tr[4*MEM];
ll t,n,ans,m,k;
ll v[2*MEM];
queue<ll> q[MEM][2];
void upd(ll p, ll v){
    for(int i=p; i<2*MEM; i+=(i&-i)) tr[i] += v;
}
ll query(ll p){
    ll ret = 0;
    for(int i=p; i>0; i-=(i&-i)) ret += tr[i];
    return ret;
}
long long count_swaps(std::vector<int> s) {
	ll n=s.sz;
	ll ans=0;
	for(int i=n-1; i>=0; i--){
        if(s[i]>0) q[s[i]][0].push(i);
        else q[-s[i]][1].push(i);
	}
	for(int i=n-1; i>=0; i--){
        if(v[i]) continue;
        int j=(s[i]>0 ? q[abs(s[i])][1].front() : q[abs(s[i])][0].front());
        ll o=query(i+1)-query(j+1);
        q[abs(s[i])][0].pop();
        q[abs(s[i])][1].pop();
        if(s[i]>0) ans += i-j-1-o;
        else ans += i-j-o;
        v[j] = 1;
        v[i] = 1;
        upd(j+1, 1);
        upd(i+1, 1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 149904 KB Output is correct
2 Correct 87 ms 149872 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 149904 KB Output is correct
2 Correct 87 ms 149872 KB Output is correct
3 Correct 91 ms 149924 KB Output is correct
4 Correct 96 ms 149908 KB Output is correct
5 Correct 86 ms 149840 KB Output is correct
6 Correct 93 ms 149848 KB Output is correct
7 Correct 88 ms 149828 KB Output is correct
8 Correct 88 ms 149868 KB Output is correct
9 Correct 94 ms 149912 KB Output is correct
10 Correct 86 ms 149880 KB Output is correct
11 Correct 89 ms 149824 KB Output is correct
12 Correct 95 ms 149916 KB Output is correct
13 Correct 92 ms 149828 KB Output is correct
14 Correct 108 ms 149852 KB Output is correct
15 Correct 90 ms 149812 KB Output is correct
16 Correct 107 ms 149924 KB Output is correct
17 Correct 107 ms 149816 KB Output is correct
18 Correct 98 ms 149800 KB Output is correct
19 Correct 90 ms 149912 KB Output is correct
20 Correct 85 ms 149908 KB Output is correct
21 Correct 87 ms 149828 KB Output is correct
22 Correct 91 ms 149828 KB Output is correct
23 Correct 92 ms 149924 KB Output is correct
24 Correct 97 ms 149804 KB Output is correct
25 Correct 88 ms 149828 KB Output is correct
26 Correct 86 ms 149860 KB Output is correct
27 Correct 91 ms 149836 KB Output is correct
28 Correct 90 ms 149916 KB Output is correct
29 Correct 93 ms 149844 KB Output is correct
30 Correct 89 ms 149828 KB Output is correct
31 Correct 88 ms 149876 KB Output is correct
32 Correct 87 ms 149856 KB Output is correct
33 Correct 94 ms 149848 KB Output is correct
34 Correct 108 ms 149820 KB Output is correct
35 Correct 92 ms 149880 KB Output is correct
36 Correct 87 ms 149872 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 149904 KB Output is correct
2 Correct 87 ms 149872 KB Output is correct
3 Correct 99 ms 149924 KB Output is correct
4 Correct 107 ms 149936 KB Output is correct
5 Correct 91 ms 149868 KB Output is correct
6 Correct 86 ms 149816 KB Output is correct
7 Correct 85 ms 149856 KB Output is correct
8 Correct 86 ms 149892 KB Output is correct
9 Correct 96 ms 149940 KB Output is correct
10 Correct 93 ms 149816 KB Output is correct
11 Correct 89 ms 149808 KB Output is correct
12 Correct 95 ms 149828 KB Output is correct
13 Correct 88 ms 149856 KB Output is correct
14 Correct 93 ms 149832 KB Output is correct
15 Correct 91 ms 149828 KB Output is correct
16 Correct 97 ms 149928 KB Output is correct
17 Correct 97 ms 149928 KB Output is correct
18 Correct 90 ms 149960 KB Output is correct
19 Correct 98 ms 149988 KB Output is correct
20 Correct 113 ms 150544 KB Output is correct
21 Correct 122 ms 150468 KB Output is correct
22 Correct 130 ms 156180 KB Output is correct
23 Correct 130 ms 156224 KB Output is correct
24 Correct 127 ms 156192 KB Output is correct
25 Correct 129 ms 156188 KB Output is correct
26 Correct 120 ms 156224 KB Output is correct
27 Correct 128 ms 156264 KB Output is correct
28 Correct 130 ms 156248 KB Output is correct
29 Correct 120 ms 156228 KB Output is correct
30 Correct 127 ms 156216 KB Output is correct
31 Correct 128 ms 156236 KB Output is correct
32 Correct 119 ms 156208 KB Output is correct
33 Correct 125 ms 156152 KB Output is correct
34 Correct 137 ms 156176 KB Output is correct
35 Correct 102 ms 149912 KB Output is correct
36 Correct 90 ms 149884 KB Output is correct
37 Correct 117 ms 156252 KB Output is correct
38 Correct 126 ms 156228 KB Output is correct
39 Correct 128 ms 156208 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 149820 KB Output is correct
2 Correct 91 ms 149828 KB Output is correct
3 Correct 88 ms 149956 KB Output is correct
4 Correct 87 ms 149828 KB Output is correct
5 Correct 156 ms 154516 KB Output is correct
6 Correct 133 ms 154532 KB Output is correct
7 Correct 169 ms 154552 KB Output is correct
8 Correct 129 ms 156192 KB Output is correct
9 Correct 160 ms 154536 KB Output is correct
10 Correct 146 ms 154532 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 149904 KB Output is correct
2 Correct 87 ms 149872 KB Output is correct
3 Correct 91 ms 149924 KB Output is correct
4 Correct 96 ms 149908 KB Output is correct
5 Correct 86 ms 149840 KB Output is correct
6 Correct 93 ms 149848 KB Output is correct
7 Correct 88 ms 149828 KB Output is correct
8 Correct 88 ms 149868 KB Output is correct
9 Correct 94 ms 149912 KB Output is correct
10 Correct 86 ms 149880 KB Output is correct
11 Correct 89 ms 149824 KB Output is correct
12 Correct 95 ms 149916 KB Output is correct
13 Correct 92 ms 149828 KB Output is correct
14 Correct 108 ms 149852 KB Output is correct
15 Correct 90 ms 149812 KB Output is correct
16 Correct 107 ms 149924 KB Output is correct
17 Correct 107 ms 149816 KB Output is correct
18 Correct 98 ms 149800 KB Output is correct
19 Correct 90 ms 149912 KB Output is correct
20 Correct 85 ms 149908 KB Output is correct
21 Correct 87 ms 149828 KB Output is correct
22 Correct 91 ms 149828 KB Output is correct
23 Correct 92 ms 149924 KB Output is correct
24 Correct 97 ms 149804 KB Output is correct
25 Correct 88 ms 149828 KB Output is correct
26 Correct 86 ms 149860 KB Output is correct
27 Correct 91 ms 149836 KB Output is correct
28 Correct 90 ms 149916 KB Output is correct
29 Correct 93 ms 149844 KB Output is correct
30 Correct 89 ms 149828 KB Output is correct
31 Correct 88 ms 149876 KB Output is correct
32 Correct 87 ms 149856 KB Output is correct
33 Correct 94 ms 149848 KB Output is correct
34 Correct 108 ms 149820 KB Output is correct
35 Correct 92 ms 149880 KB Output is correct
36 Correct 87 ms 149872 KB Output is correct
37 Correct 94 ms 149876 KB Output is correct
38 Correct 97 ms 149808 KB Output is correct
39 Correct 105 ms 149824 KB Output is correct
40 Correct 87 ms 149888 KB Output is correct
41 Correct 89 ms 149836 KB Output is correct
42 Correct 97 ms 149896 KB Output is correct
43 Correct 94 ms 149880 KB Output is correct
44 Correct 108 ms 149936 KB Output is correct
45 Correct 87 ms 149856 KB Output is correct
46 Correct 93 ms 149920 KB Output is correct
47 Correct 91 ms 149920 KB Output is correct
48 Correct 101 ms 149956 KB Output is correct
49 Correct 86 ms 149868 KB Output is correct
50 Correct 95 ms 149892 KB Output is correct
51 Correct 103 ms 149964 KB Output is correct
52 Correct 88 ms 149916 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 149904 KB Output is correct
2 Correct 87 ms 149872 KB Output is correct
3 Correct 91 ms 149924 KB Output is correct
4 Correct 96 ms 149908 KB Output is correct
5 Correct 86 ms 149840 KB Output is correct
6 Correct 93 ms 149848 KB Output is correct
7 Correct 88 ms 149828 KB Output is correct
8 Correct 88 ms 149868 KB Output is correct
9 Correct 94 ms 149912 KB Output is correct
10 Correct 86 ms 149880 KB Output is correct
11 Correct 89 ms 149824 KB Output is correct
12 Correct 95 ms 149916 KB Output is correct
13 Correct 92 ms 149828 KB Output is correct
14 Correct 108 ms 149852 KB Output is correct
15 Correct 90 ms 149812 KB Output is correct
16 Correct 107 ms 149924 KB Output is correct
17 Correct 107 ms 149816 KB Output is correct
18 Correct 98 ms 149800 KB Output is correct
19 Correct 90 ms 149912 KB Output is correct
20 Correct 85 ms 149908 KB Output is correct
21 Correct 87 ms 149828 KB Output is correct
22 Correct 91 ms 149828 KB Output is correct
23 Correct 92 ms 149924 KB Output is correct
24 Correct 97 ms 149804 KB Output is correct
25 Correct 88 ms 149828 KB Output is correct
26 Correct 86 ms 149860 KB Output is correct
27 Correct 91 ms 149836 KB Output is correct
28 Correct 90 ms 149916 KB Output is correct
29 Correct 93 ms 149844 KB Output is correct
30 Correct 89 ms 149828 KB Output is correct
31 Correct 88 ms 149876 KB Output is correct
32 Correct 87 ms 149856 KB Output is correct
33 Correct 94 ms 149848 KB Output is correct
34 Correct 108 ms 149820 KB Output is correct
35 Correct 92 ms 149880 KB Output is correct
36 Correct 87 ms 149872 KB Output is correct
37 Correct 99 ms 149924 KB Output is correct
38 Correct 107 ms 149936 KB Output is correct
39 Correct 91 ms 149868 KB Output is correct
40 Correct 86 ms 149816 KB Output is correct
41 Correct 85 ms 149856 KB Output is correct
42 Correct 86 ms 149892 KB Output is correct
43 Correct 96 ms 149940 KB Output is correct
44 Correct 93 ms 149816 KB Output is correct
45 Correct 89 ms 149808 KB Output is correct
46 Correct 95 ms 149828 KB Output is correct
47 Correct 88 ms 149856 KB Output is correct
48 Correct 93 ms 149832 KB Output is correct
49 Correct 91 ms 149828 KB Output is correct
50 Correct 97 ms 149928 KB Output is correct
51 Correct 97 ms 149928 KB Output is correct
52 Correct 90 ms 149960 KB Output is correct
53 Correct 98 ms 149988 KB Output is correct
54 Correct 113 ms 150544 KB Output is correct
55 Correct 122 ms 150468 KB Output is correct
56 Correct 130 ms 156180 KB Output is correct
57 Correct 130 ms 156224 KB Output is correct
58 Correct 127 ms 156192 KB Output is correct
59 Correct 129 ms 156188 KB Output is correct
60 Correct 120 ms 156224 KB Output is correct
61 Correct 128 ms 156264 KB Output is correct
62 Correct 130 ms 156248 KB Output is correct
63 Correct 120 ms 156228 KB Output is correct
64 Correct 127 ms 156216 KB Output is correct
65 Correct 128 ms 156236 KB Output is correct
66 Correct 119 ms 156208 KB Output is correct
67 Correct 125 ms 156152 KB Output is correct
68 Correct 137 ms 156176 KB Output is correct
69 Correct 102 ms 149912 KB Output is correct
70 Correct 90 ms 149884 KB Output is correct
71 Correct 117 ms 156252 KB Output is correct
72 Correct 126 ms 156228 KB Output is correct
73 Correct 128 ms 156208 KB Output is correct
74 Correct 89 ms 149820 KB Output is correct
75 Correct 91 ms 149828 KB Output is correct
76 Correct 88 ms 149956 KB Output is correct
77 Correct 87 ms 149828 KB Output is correct
78 Correct 156 ms 154516 KB Output is correct
79 Correct 133 ms 154532 KB Output is correct
80 Correct 169 ms 154552 KB Output is correct
81 Correct 129 ms 156192 KB Output is correct
82 Correct 160 ms 154536 KB Output is correct
83 Correct 146 ms 154532 KB Output is correct
84 Correct 94 ms 149876 KB Output is correct
85 Correct 97 ms 149808 KB Output is correct
86 Correct 105 ms 149824 KB Output is correct
87 Correct 87 ms 149888 KB Output is correct
88 Correct 89 ms 149836 KB Output is correct
89 Correct 97 ms 149896 KB Output is correct
90 Correct 94 ms 149880 KB Output is correct
91 Correct 108 ms 149936 KB Output is correct
92 Correct 87 ms 149856 KB Output is correct
93 Correct 93 ms 149920 KB Output is correct
94 Correct 91 ms 149920 KB Output is correct
95 Correct 101 ms 149956 KB Output is correct
96 Correct 86 ms 149868 KB Output is correct
97 Correct 95 ms 149892 KB Output is correct
98 Correct 103 ms 149964 KB Output is correct
99 Correct 88 ms 149916 KB Output is correct
100 Correct 99 ms 149960 KB Output is correct
101 Correct 96 ms 150352 KB Output is correct
102 Correct 96 ms 150340 KB Output is correct
103 Correct 156 ms 154608 KB Output is correct
104 Correct 160 ms 154772 KB Output is correct
105 Correct 154 ms 154500 KB Output is correct
106 Correct 159 ms 154488 KB Output is correct
107 Correct 167 ms 154568 KB Output is correct
108 Correct 152 ms 154564 KB Output is correct
109 Correct 126 ms 156232 KB Output is correct
110 Correct 121 ms 156176 KB Output is correct
111 Correct 163 ms 154528 KB Output is correct
112 Correct 174 ms 154548 KB Output is correct
113 Correct 136 ms 154568 KB Output is correct
114 Correct 162 ms 154544 KB Output is correct
115 Correct 163 ms 154604 KB Output is correct