oj.uz

Submission #651932

# Submission time Handle Problem Language Result Execution time Memory
651932 2022-10-20T14:33:38 Z jiahng Arranging Shoes (IOI19_shoes) C++14
100 / 100
 135 ms 141304 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> pi;
typedef vector <int> vi;
typedef vector <pi> vpi;
typedef pair<pi, ll> pii;
typedef set <ll> si;
typedef long double ld;
#define f first
#define s second
#define mp make_pair
#define FOR(i,s,e) for(int i=s;i<=int(e);++i)
#define DEC(i,s,e) for(int i=s;i>=int(e);--i)
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lbd(x, y) lower_bound(all(x), y)
#define ubd(x, y) upper_bound(all(x), y)
#define aFOR(i,x) for (auto i: x)
#define mem(x,i) memset(x,i,sizeof x)
#define fast ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define maxn 200010
#define INF (ll)1e9
#define MOD 1000000007
typedef pair <vi, int> pvi;
typedef pair <int,pi> ipi;
typedef vector <pii> vpii;

int N;
queue <int> A[maxn];
int fw[maxn];
int qry(int p){
    int ans = 0;
    for (int i = p; i > 0; i -= i & (-i)) ans += fw[i];
    return ans;
}
void upd(int p, int v){
    for (int i = p; i <= N; i += i & (-i)) fw[i] += v;
}
long long count_swaps(std::vector<int> s) {
    vpi v;
    N = s.size();
    FOR(i,1,s.size()){
       int val = (s[i-1] < 0 ? -i : i);
       //cout << val << ' ';
       if (A[abs(s[i-1])].empty() || (A[abs(s[i-1])].front() < 0) == (val < 0)){
            A[abs(s[i-1])].push(val); 
       }else{
            if (val < 0){
                v.pb(pi(-val, A[abs(s[i-1])].front()));
            }else{
                
                v.pb(pi(-A[abs(s[i-1])].front(),val));
            }
            A[abs(s[i-1])].pop();
        }
    }
    ll ans = 0;
    FOR(i,0,v.size()-1){
        if (v[i].f > v[i].s){
            ans++; swap(v[i].f,v[i].s);    
        }
    }
    sort(all(v));
    /*
    FOR(i,0,v.size()-1) FOR(j,i+1,v.size()-1){
        if (v[j].s < v[i].s) ans += 2;
        else if (v[j].f < v[i].s) ans++;
    }
    return ans;
*/
    /*
    sort(all(v), [](pi i,pi j){
            
        return (i.f < j.f) + (i.f < j.s) + (i.s < j.f) + (i.s < j.s) >= 2;
    });
    */

    vi v2;
    aFOR(i, v){
        v2.pb(i.f); v2.pb(i.s);
    }
    aFOR(i, v2){
        ans += qry(N) - qry(i);
        upd(i, 1);
    }
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134952 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134952 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct
3 Correct 74 ms 134880 KB Output is correct
4 Correct 81 ms 134840 KB Output is correct
5 Correct 81 ms 134860 KB Output is correct
6 Correct 84 ms 134928 KB Output is correct
7 Correct 81 ms 134928 KB Output is correct
8 Correct 82 ms 134936 KB Output is correct
9 Correct 79 ms 134860 KB Output is correct
10 Correct 81 ms 134816 KB Output is correct
11 Correct 77 ms 135032 KB Output is correct
12 Correct 79 ms 134920 KB Output is correct
13 Correct 81 ms 134840 KB Output is correct
14 Correct 82 ms 134816 KB Output is correct
15 Correct 77 ms 134856 KB Output is correct
16 Correct 82 ms 134820 KB Output is correct
17 Correct 85 ms 134880 KB Output is correct
18 Correct 86 ms 134860 KB Output is correct
19 Correct 80 ms 134860 KB Output is correct
20 Correct 81 ms 134812 KB Output is correct
21 Correct 88 ms 134840 KB Output is correct
22 Correct 79 ms 134856 KB Output is correct
23 Correct 80 ms 134872 KB Output is correct
24 Correct 80 ms 134860 KB Output is correct
25 Correct 78 ms 134932 KB Output is correct
26 Correct 81 ms 134844 KB Output is correct
27 Correct 80 ms 134916 KB Output is correct
28 Correct 81 ms 134860 KB Output is correct
29 Correct 82 ms 134892 KB Output is correct
30 Correct 80 ms 134840 KB Output is correct
31 Correct 80 ms 134860 KB Output is correct
32 Correct 85 ms 134860 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 83 ms 134860 KB Output is correct
35 Correct 83 ms 134932 KB Output is correct
36 Correct 78 ms 134940 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134952 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct
3 Correct 83 ms 134884 KB Output is correct
4 Correct 81 ms 134912 KB Output is correct
5 Correct 81 ms 134816 KB Output is correct
6 Correct 80 ms 134856 KB Output is correct
7 Correct 79 ms 134828 KB Output is correct
8 Correct 87 ms 134872 KB Output is correct
9 Correct 83 ms 134884 KB Output is correct
10 Correct 77 ms 134928 KB Output is correct
11 Correct 83 ms 134860 KB Output is correct
12 Correct 77 ms 134856 KB Output is correct
13 Correct 85 ms 134928 KB Output is correct
14 Correct 81 ms 134860 KB Output is correct
15 Correct 84 ms 135004 KB Output is correct
16 Correct 80 ms 134932 KB Output is correct
17 Correct 81 ms 134868 KB Output is correct
18 Correct 81 ms 134860 KB Output is correct
19 Correct 79 ms 134944 KB Output is correct
20 Correct 84 ms 135500 KB Output is correct
21 Correct 85 ms 135504 KB Output is correct
22 Correct 115 ms 140184 KB Output is correct
23 Correct 118 ms 140148 KB Output is correct
24 Correct 115 ms 140276 KB Output is correct
25 Correct 118 ms 141080 KB Output is correct
26 Correct 119 ms 140164 KB Output is correct
27 Correct 111 ms 140052 KB Output is correct
28 Correct 115 ms 141280 KB Output is correct
29 Correct 120 ms 141276 KB Output is correct
30 Correct 119 ms 141208 KB Output is correct
31 Correct 120 ms 140152 KB Output is correct
32 Correct 118 ms 141260 KB Output is correct
33 Correct 114 ms 141080 KB Output is correct
34 Correct 117 ms 141200 KB Output is correct
35 Correct 81 ms 134880 KB Output is correct
36 Correct 81 ms 134904 KB Output is correct
37 Correct 117 ms 141288 KB Output is correct
38 Correct 126 ms 141304 KB Output is correct
39 Correct 120 ms 141252 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134860 KB Output is correct
2 Correct 82 ms 134860 KB Output is correct
3 Correct 81 ms 134812 KB Output is correct
4 Correct 81 ms 134824 KB Output is correct
5 Correct 122 ms 138928 KB Output is correct
6 Correct 115 ms 140164 KB Output is correct
7 Correct 122 ms 140188 KB Output is correct
8 Correct 117 ms 141204 KB Output is correct
9 Correct 127 ms 140124 KB Output is correct
10 Correct 123 ms 140180 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134952 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct
3 Correct 74 ms 134880 KB Output is correct
4 Correct 81 ms 134840 KB Output is correct
5 Correct 81 ms 134860 KB Output is correct
6 Correct 84 ms 134928 KB Output is correct
7 Correct 81 ms 134928 KB Output is correct
8 Correct 82 ms 134936 KB Output is correct
9 Correct 79 ms 134860 KB Output is correct
10 Correct 81 ms 134816 KB Output is correct
11 Correct 77 ms 135032 KB Output is correct
12 Correct 79 ms 134920 KB Output is correct
13 Correct 81 ms 134840 KB Output is correct
14 Correct 82 ms 134816 KB Output is correct
15 Correct 77 ms 134856 KB Output is correct
16 Correct 82 ms 134820 KB Output is correct
17 Correct 85 ms 134880 KB Output is correct
18 Correct 86 ms 134860 KB Output is correct
19 Correct 80 ms 134860 KB Output is correct
20 Correct 81 ms 134812 KB Output is correct
21 Correct 88 ms 134840 KB Output is correct
22 Correct 79 ms 134856 KB Output is correct
23 Correct 80 ms 134872 KB Output is correct
24 Correct 80 ms 134860 KB Output is correct
25 Correct 78 ms 134932 KB Output is correct
26 Correct 81 ms 134844 KB Output is correct
27 Correct 80 ms 134916 KB Output is correct
28 Correct 81 ms 134860 KB Output is correct
29 Correct 82 ms 134892 KB Output is correct
30 Correct 80 ms 134840 KB Output is correct
31 Correct 80 ms 134860 KB Output is correct
32 Correct 85 ms 134860 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 83 ms 134860 KB Output is correct
35 Correct 83 ms 134932 KB Output is correct
36 Correct 78 ms 134940 KB Output is correct
37 Correct 86 ms 134852 KB Output is correct
38 Correct 84 ms 134824 KB Output is correct
39 Correct 81 ms 134928 KB Output is correct
40 Correct 81 ms 134840 KB Output is correct
41 Correct 81 ms 134864 KB Output is correct
42 Correct 85 ms 134872 KB Output is correct
43 Correct 82 ms 134928 KB Output is correct
44 Correct 83 ms 134968 KB Output is correct
45 Correct 81 ms 134980 KB Output is correct
46 Correct 80 ms 134988 KB Output is correct
47 Correct 82 ms 134936 KB Output is correct
48 Correct 90 ms 134932 KB Output is correct
49 Correct 78 ms 135096 KB Output is correct
50 Correct 82 ms 134904 KB Output is correct
51 Correct 82 ms 134968 KB Output is correct
52 Correct 97 ms 134916 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134952 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct
3 Correct 74 ms 134880 KB Output is correct
4 Correct 81 ms 134840 KB Output is correct
5 Correct 81 ms 134860 KB Output is correct
6 Correct 84 ms 134928 KB Output is correct
7 Correct 81 ms 134928 KB Output is correct
8 Correct 82 ms 134936 KB Output is correct
9 Correct 79 ms 134860 KB Output is correct
10 Correct 81 ms 134816 KB Output is correct
11 Correct 77 ms 135032 KB Output is correct
12 Correct 79 ms 134920 KB Output is correct
13 Correct 81 ms 134840 KB Output is correct
14 Correct 82 ms 134816 KB Output is correct
15 Correct 77 ms 134856 KB Output is correct
16 Correct 82 ms 134820 KB Output is correct
17 Correct 85 ms 134880 KB Output is correct
18 Correct 86 ms 134860 KB Output is correct
19 Correct 80 ms 134860 KB Output is correct
20 Correct 81 ms 134812 KB Output is correct
21 Correct 88 ms 134840 KB Output is correct
22 Correct 79 ms 134856 KB Output is correct
23 Correct 80 ms 134872 KB Output is correct
24 Correct 80 ms 134860 KB Output is correct
25 Correct 78 ms 134932 KB Output is correct
26 Correct 81 ms 134844 KB Output is correct
27 Correct 80 ms 134916 KB Output is correct
28 Correct 81 ms 134860 KB Output is correct
29 Correct 82 ms 134892 KB Output is correct
30 Correct 80 ms 134840 KB Output is correct
31 Correct 80 ms 134860 KB Output is correct
32 Correct 85 ms 134860 KB Output is correct
33 Correct 80 ms 134860 KB Output is correct
34 Correct 83 ms 134860 KB Output is correct
35 Correct 83 ms 134932 KB Output is correct
36 Correct 78 ms 134940 KB Output is correct
37 Correct 83 ms 134884 KB Output is correct
38 Correct 81 ms 134912 KB Output is correct
39 Correct 81 ms 134816 KB Output is correct
40 Correct 80 ms 134856 KB Output is correct
41 Correct 79 ms 134828 KB Output is correct
42 Correct 87 ms 134872 KB Output is correct
43 Correct 83 ms 134884 KB Output is correct
44 Correct 77 ms 134928 KB Output is correct
45 Correct 83 ms 134860 KB Output is correct
46 Correct 77 ms 134856 KB Output is correct
47 Correct 85 ms 134928 KB Output is correct
48 Correct 81 ms 134860 KB Output is correct
49 Correct 84 ms 135004 KB Output is correct
50 Correct 80 ms 134932 KB Output is correct
51 Correct 81 ms 134868 KB Output is correct
52 Correct 81 ms 134860 KB Output is correct
53 Correct 79 ms 134944 KB Output is correct
54 Correct 84 ms 135500 KB Output is correct
55 Correct 85 ms 135504 KB Output is correct
56 Correct 115 ms 140184 KB Output is correct
57 Correct 118 ms 140148 KB Output is correct
58 Correct 115 ms 140276 KB Output is correct
59 Correct 118 ms 141080 KB Output is correct
60 Correct 119 ms 140164 KB Output is correct
61 Correct 111 ms 140052 KB Output is correct
62 Correct 115 ms 141280 KB Output is correct
63 Correct 120 ms 141276 KB Output is correct
64 Correct 119 ms 141208 KB Output is correct
65 Correct 120 ms 140152 KB Output is correct
66 Correct 118 ms 141260 KB Output is correct
67 Correct 114 ms 141080 KB Output is correct
68 Correct 117 ms 141200 KB Output is correct
69 Correct 81 ms 134880 KB Output is correct
70 Correct 81 ms 134904 KB Output is correct
71 Correct 117 ms 141288 KB Output is correct
72 Correct 126 ms 141304 KB Output is correct
73 Correct 120 ms 141252 KB Output is correct
74 Correct 76 ms 134860 KB Output is correct
75 Correct 82 ms 134860 KB Output is correct
76 Correct 81 ms 134812 KB Output is correct
77 Correct 81 ms 134824 KB Output is correct
78 Correct 122 ms 138928 KB Output is correct
79 Correct 115 ms 140164 KB Output is correct
80 Correct 122 ms 140188 KB Output is correct
81 Correct 117 ms 141204 KB Output is correct
82 Correct 127 ms 140124 KB Output is correct
83 Correct 123 ms 140180 KB Output is correct
84 Correct 86 ms 134852 KB Output is correct
85 Correct 84 ms 134824 KB Output is correct
86 Correct 81 ms 134928 KB Output is correct
87 Correct 81 ms 134840 KB Output is correct
88 Correct 81 ms 134864 KB Output is correct
89 Correct 85 ms 134872 KB Output is correct
90 Correct 82 ms 134928 KB Output is correct
91 Correct 83 ms 134968 KB Output is correct
92 Correct 81 ms 134980 KB Output is correct
93 Correct 80 ms 134988 KB Output is correct
94 Correct 82 ms 134936 KB Output is correct
95 Correct 90 ms 134932 KB Output is correct
96 Correct 78 ms 135096 KB Output is correct
97 Correct 82 ms 134904 KB Output is correct
98 Correct 82 ms 134968 KB Output is correct
99 Correct 97 ms 134916 KB Output is correct
100 Correct 82 ms 134976 KB Output is correct
101 Correct 86 ms 135504 KB Output is correct
102 Correct 83 ms 135456 KB Output is correct
103 Correct 135 ms 140128 KB Output is correct
104 Correct 120 ms 140176 KB Output is correct
105 Correct 124 ms 140192 KB Output is correct
106 Correct 125 ms 140216 KB Output is correct
107 Correct 123 ms 140212 KB Output is correct
108 Correct 124 ms 140184 KB Output is correct
109 Correct 116 ms 141292 KB Output is correct
110 Correct 113 ms 141232 KB Output is correct
111 Correct 124 ms 140188 KB Output is correct
112 Correct 133 ms 140320 KB Output is correct
113 Correct 131 ms 140188 KB Output is correct
114 Correct 121 ms 140128 KB Output is correct
115 Correct 122 ms 140176 KB Output is correct