oj.uz

Submission #207310

# Submission time Handle Problem Language Result Execution time Memory
207310 2020-03-07T06:55:25 Z balbit Arranging Shoes (IOI19_shoes) C++14
100 / 100
 176 ms 140152 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define SZ(x) (int)((x).size())
#define ALL(x) x.begin(),x.end()

#define pii pair<int, int>
#define f first
#define s second

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<": "<<#__VA_ARGS__<<" = ", _do(__VA_ARGS__)
template<typename T> void _do(T &&x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do(T &&x, S&&...y) {cerr<<x<<", "; _do(y...);}
#define IOS()
#else
#define IOS() ios::sync_with_stdio(0), cin.tie(0)
#define endl '\n'
#define bug(...)
#endif // BALBIT

const int maxn = 2e5+5;

queue<pii> tp[maxn];

ll s[maxn];
ll QU(int e) { // Number of things leq
    ll re = 0;
    for (e++; e>0; e-=e&-e) re += s[e];
    return re;
}
void MO(int e, int v) {
    for (e++;e<maxn;e+=e&-e)s[e]+=v;
}
inline int sgn(int x){return x>0?1:-1;}
ll count_swaps(vector<int> s) {
    int n = s.size();
    for (int i = 0; i<n; i++) {
        MO(i,1);
    }
    ll re = 0;
    for (int i = 0; i<n; i++) {
        int x = abs(s[i]);
        int ig = sgn(s[i]);
        if (tp[x].size()==0 || sgn(tp[x].front().s) == ig) {
            tp[x].push({i,s[i]});
        }else{
            re += QU(i-1) - QU(tp[x].front().f);
            if (ig == -1) ++re;
            MO(i,-1);
            MO(tp[x].front().f,1);
            tp[x].pop();
        }
    }
//    for (int i = 0; i<n*2; i++) {
//        cerr<<s[i]<<' ';
//    }
//    cerr<<endl;
    return re;
}

#ifdef BALBIT
signed main(){
    IOS();
    int n; cin>>n;
    vector<int> x(n*2);
    for (int i = 0; i<n*2; i++) cin>>x[i];
    cout<<count_swaps(x)<<endl;
}
#endif

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135036 KB Output is correct
2 Correct 91 ms 135024 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135036 KB Output is correct
2 Correct 91 ms 135024 KB Output is correct
3 Correct 92 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 92 ms 135288 KB Output is correct
6 Correct 91 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 93 ms 135032 KB Output is correct
9 Correct 92 ms 134904 KB Output is correct
10 Correct 92 ms 135032 KB Output is correct
11 Correct 91 ms 135032 KB Output is correct
12 Correct 96 ms 135032 KB Output is correct
13 Correct 93 ms 135032 KB Output is correct
14 Correct 95 ms 135032 KB Output is correct
15 Correct 96 ms 135008 KB Output is correct
16 Correct 95 ms 135032 KB Output is correct
17 Correct 91 ms 135032 KB Output is correct
18 Correct 90 ms 135032 KB Output is correct
19 Correct 93 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 91 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 91 ms 135032 KB Output is correct
24 Correct 94 ms 135036 KB Output is correct
25 Correct 91 ms 135160 KB Output is correct
26 Correct 92 ms 135032 KB Output is correct
27 Correct 91 ms 135032 KB Output is correct
28 Correct 91 ms 135028 KB Output is correct
29 Correct 92 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 93 ms 135032 KB Output is correct
33 Correct 91 ms 135032 KB Output is correct
34 Correct 90 ms 135032 KB Output is correct
35 Correct 90 ms 135032 KB Output is correct
36 Correct 91 ms 135132 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135036 KB Output is correct
2 Correct 91 ms 135024 KB Output is correct
3 Correct 92 ms 135032 KB Output is correct
4 Correct 97 ms 135048 KB Output is correct
5 Correct 94 ms 135032 KB Output is correct
6 Correct 91 ms 135032 KB Output is correct
7 Correct 93 ms 135032 KB Output is correct
8 Correct 89 ms 135032 KB Output is correct
9 Correct 93 ms 135008 KB Output is correct
10 Correct 94 ms 135160 KB Output is correct
11 Correct 93 ms 135032 KB Output is correct
12 Correct 90 ms 135032 KB Output is correct
13 Correct 91 ms 135032 KB Output is correct
14 Correct 93 ms 135032 KB Output is correct
15 Correct 94 ms 135032 KB Output is correct
16 Correct 101 ms 135032 KB Output is correct
17 Correct 93 ms 135036 KB Output is correct
18 Correct 100 ms 135032 KB Output is correct
19 Correct 100 ms 135032 KB Output is correct
20 Correct 104 ms 135288 KB Output is correct
21 Correct 104 ms 135288 KB Output is correct
22 Correct 143 ms 138104 KB Output is correct
23 Correct 130 ms 138104 KB Output is correct
24 Correct 146 ms 138232 KB Output is correct
25 Correct 137 ms 138872 KB Output is correct
26 Correct 140 ms 138104 KB Output is correct
27 Correct 135 ms 138112 KB Output is correct
28 Correct 144 ms 139000 KB Output is correct
29 Correct 138 ms 138872 KB Output is correct
30 Correct 136 ms 138872 KB Output is correct
31 Correct 141 ms 138108 KB Output is correct
32 Correct 143 ms 139000 KB Output is correct
33 Correct 137 ms 139000 KB Output is correct
34 Correct 140 ms 138872 KB Output is correct
35 Correct 90 ms 135032 KB Output is correct
36 Correct 93 ms 135032 KB Output is correct
37 Correct 140 ms 138880 KB Output is correct
38 Correct 136 ms 138872 KB Output is correct
39 Correct 142 ms 138872 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 135032 KB Output is correct
2 Correct 92 ms 135032 KB Output is correct
3 Correct 96 ms 135032 KB Output is correct
4 Correct 91 ms 135032 KB Output is correct
5 Correct 166 ms 138264 KB Output is correct
6 Correct 158 ms 138104 KB Output is correct
7 Correct 166 ms 138104 KB Output is correct
8 Correct 140 ms 138872 KB Output is correct
9 Correct 168 ms 138104 KB Output is correct
10 Correct 167 ms 138104 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135036 KB Output is correct
2 Correct 91 ms 135024 KB Output is correct
3 Correct 92 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 92 ms 135288 KB Output is correct
6 Correct 91 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 93 ms 135032 KB Output is correct
9 Correct 92 ms 134904 KB Output is correct
10 Correct 92 ms 135032 KB Output is correct
11 Correct 91 ms 135032 KB Output is correct
12 Correct 96 ms 135032 KB Output is correct
13 Correct 93 ms 135032 KB Output is correct
14 Correct 95 ms 135032 KB Output is correct
15 Correct 96 ms 135008 KB Output is correct
16 Correct 95 ms 135032 KB Output is correct
17 Correct 91 ms 135032 KB Output is correct
18 Correct 90 ms 135032 KB Output is correct
19 Correct 93 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 91 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 91 ms 135032 KB Output is correct
24 Correct 94 ms 135036 KB Output is correct
25 Correct 91 ms 135160 KB Output is correct
26 Correct 92 ms 135032 KB Output is correct
27 Correct 91 ms 135032 KB Output is correct
28 Correct 91 ms 135028 KB Output is correct
29 Correct 92 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 93 ms 135032 KB Output is correct
33 Correct 91 ms 135032 KB Output is correct
34 Correct 90 ms 135032 KB Output is correct
35 Correct 90 ms 135032 KB Output is correct
36 Correct 91 ms 135132 KB Output is correct
37 Correct 91 ms 135032 KB Output is correct
38 Correct 89 ms 135032 KB Output is correct
39 Correct 91 ms 135032 KB Output is correct
40 Correct 93 ms 135032 KB Output is correct
41 Correct 91 ms 135016 KB Output is correct
42 Correct 92 ms 135032 KB Output is correct
43 Correct 94 ms 135148 KB Output is correct
44 Correct 91 ms 135032 KB Output is correct
45 Correct 91 ms 135036 KB Output is correct
46 Correct 91 ms 135032 KB Output is correct
47 Correct 90 ms 135036 KB Output is correct
48 Correct 94 ms 135032 KB Output is correct
49 Correct 91 ms 135032 KB Output is correct
50 Correct 100 ms 135032 KB Output is correct
51 Correct 100 ms 135036 KB Output is correct
52 Correct 91 ms 135032 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135036 KB Output is correct
2 Correct 91 ms 135024 KB Output is correct
3 Correct 92 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 92 ms 135288 KB Output is correct
6 Correct 91 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 93 ms 135032 KB Output is correct
9 Correct 92 ms 134904 KB Output is correct
10 Correct 92 ms 135032 KB Output is correct
11 Correct 91 ms 135032 KB Output is correct
12 Correct 96 ms 135032 KB Output is correct
13 Correct 93 ms 135032 KB Output is correct
14 Correct 95 ms 135032 KB Output is correct
15 Correct 96 ms 135008 KB Output is correct
16 Correct 95 ms 135032 KB Output is correct
17 Correct 91 ms 135032 KB Output is correct
18 Correct 90 ms 135032 KB Output is correct
19 Correct 93 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 91 ms 135032 KB Output is correct
22 Correct 92 ms 135032 KB Output is correct
23 Correct 91 ms 135032 KB Output is correct
24 Correct 94 ms 135036 KB Output is correct
25 Correct 91 ms 135160 KB Output is correct
26 Correct 92 ms 135032 KB Output is correct
27 Correct 91 ms 135032 KB Output is correct
28 Correct 91 ms 135028 KB Output is correct
29 Correct 92 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 93 ms 135032 KB Output is correct
33 Correct 91 ms 135032 KB Output is correct
34 Correct 90 ms 135032 KB Output is correct
35 Correct 90 ms 135032 KB Output is correct
36 Correct 91 ms 135132 KB Output is correct
37 Correct 92 ms 135032 KB Output is correct
38 Correct 97 ms 135048 KB Output is correct
39 Correct 94 ms 135032 KB Output is correct
40 Correct 91 ms 135032 KB Output is correct
41 Correct 93 ms 135032 KB Output is correct
42 Correct 89 ms 135032 KB Output is correct
43 Correct 93 ms 135008 KB Output is correct
44 Correct 94 ms 135160 KB Output is correct
45 Correct 93 ms 135032 KB Output is correct
46 Correct 90 ms 135032 KB Output is correct
47 Correct 91 ms 135032 KB Output is correct
48 Correct 93 ms 135032 KB Output is correct
49 Correct 94 ms 135032 KB Output is correct
50 Correct 101 ms 135032 KB Output is correct
51 Correct 93 ms 135036 KB Output is correct
52 Correct 100 ms 135032 KB Output is correct
53 Correct 100 ms 135032 KB Output is correct
54 Correct 104 ms 135288 KB Output is correct
55 Correct 104 ms 135288 KB Output is correct
56 Correct 143 ms 138104 KB Output is correct
57 Correct 130 ms 138104 KB Output is correct
58 Correct 146 ms 138232 KB Output is correct
59 Correct 137 ms 138872 KB Output is correct
60 Correct 140 ms 138104 KB Output is correct
61 Correct 135 ms 138112 KB Output is correct
62 Correct 144 ms 139000 KB Output is correct
63 Correct 138 ms 138872 KB Output is correct
64 Correct 136 ms 138872 KB Output is correct
65 Correct 141 ms 138108 KB Output is correct
66 Correct 143 ms 139000 KB Output is correct
67 Correct 137 ms 139000 KB Output is correct
68 Correct 140 ms 138872 KB Output is correct
69 Correct 90 ms 135032 KB Output is correct
70 Correct 93 ms 135032 KB Output is correct
71 Correct 140 ms 138880 KB Output is correct
72 Correct 136 ms 138872 KB Output is correct
73 Correct 142 ms 138872 KB Output is correct
74 Correct 95 ms 135032 KB Output is correct
75 Correct 92 ms 135032 KB Output is correct
76 Correct 96 ms 135032 KB Output is correct
77 Correct 91 ms 135032 KB Output is correct
78 Correct 166 ms 138264 KB Output is correct
79 Correct 158 ms 138104 KB Output is correct
80 Correct 166 ms 138104 KB Output is correct
81 Correct 140 ms 138872 KB Output is correct
82 Correct 168 ms 138104 KB Output is correct
83 Correct 167 ms 138104 KB Output is correct
84 Correct 91 ms 135032 KB Output is correct
85 Correct 89 ms 135032 KB Output is correct
86 Correct 91 ms 135032 KB Output is correct
87 Correct 93 ms 135032 KB Output is correct
88 Correct 91 ms 135016 KB Output is correct
89 Correct 92 ms 135032 KB Output is correct
90 Correct 94 ms 135148 KB Output is correct
91 Correct 91 ms 135032 KB Output is correct
92 Correct 91 ms 135036 KB Output is correct
93 Correct 91 ms 135032 KB Output is correct
94 Correct 90 ms 135036 KB Output is correct
95 Correct 94 ms 135032 KB Output is correct
96 Correct 91 ms 135032 KB Output is correct
97 Correct 100 ms 135032 KB Output is correct
98 Correct 100 ms 135036 KB Output is correct
99 Correct 91 ms 135032 KB Output is correct
100 Correct 95 ms 135080 KB Output is correct
101 Correct 98 ms 135416 KB Output is correct
102 Correct 98 ms 135416 KB Output is correct
103 Correct 176 ms 139412 KB Output is correct
104 Correct 157 ms 139384 KB Output is correct
105 Correct 154 ms 139384 KB Output is correct
106 Correct 164 ms 139388 KB Output is correct
107 Correct 153 ms 139640 KB Output is correct
108 Correct 151 ms 139384 KB Output is correct
109 Correct 144 ms 140152 KB Output is correct
110 Correct 140 ms 140144 KB Output is correct
111 Correct 170 ms 139384 KB Output is correct
112 Correct 170 ms 139384 KB Output is correct
113 Correct 164 ms 139512 KB Output is correct
114 Correct 167 ms 139384 KB Output is correct
115 Correct 166 ms 139384 KB Output is correct