oj.uz

Submission #238775

# Submission time Handle Problem Language Result Execution time Memory
238775 2020-06-12T19:23:20 Z duality Arranging Shoes (IOI19_shoes) C++14
100 / 100
 117 ms 16504 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

vi pos[200001];
int p[200001],used[200001],bit[200001];
long long int count_swaps(vector<int> S) {
    int i,j;
    LLI ans = 0;
    for (i = 0; i < S.size(); i++) pos[S[i]+S.size()/2].pb(i);
    for (i = 0; i < S.size(); i++) {
        if (!used[i]) {
            int u = pos[-S[i]+S.size()/2][p[-S[i]+S.size()/2]++];
            p[S[i]+S.size()/2]++;
            used[i] = used[u] = 1;
            ans += u-i-1;
            for (j = u; j > 0; j -= j & (-j)) ans -= bit[j];
            for (j = i+1; j > 0; j -= j & (-j)) ans += bit[j];
            for (j = u+1; j <= S.size(); j += j & (-j)) bit[j]++;
            if (S[i] > 0) ans++;
        }
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:63:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < S.size(); i++) pos[S[i]+S.size()/2].pb(i);
                 ~~^~~~~~~~~~
shoes.cpp:64:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 0; i < S.size(); i++) {
                 ~~^~~~~~~~~~
shoes.cpp:72:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (j = u+1; j <= S.size(); j += j & (-j)) bit[j]++;
                           ~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 8 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 4992 KB Output is correct
10 Correct 8 ms 4992 KB Output is correct
11 Correct 8 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 7 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 7 ms 4992 KB Output is correct
9 Correct 7 ms 4992 KB Output is correct
10 Correct 8 ms 4992 KB Output is correct
11 Correct 8 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 7 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 8 ms 4992 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 5120 KB Output is correct
19 Correct 9 ms 5120 KB Output is correct
20 Correct 11 ms 5632 KB Output is correct
21 Correct 11 ms 5632 KB Output is correct
22 Correct 49 ms 10392 KB Output is correct
23 Correct 45 ms 10476 KB Output is correct
24 Correct 49 ms 10348 KB Output is correct
25 Correct 43 ms 9840 KB Output is correct
26 Correct 47 ms 10476 KB Output is correct
27 Correct 44 ms 10184 KB Output is correct
28 Correct 45 ms 9968 KB Output is correct
29 Correct 44 ms 9968 KB Output is correct
30 Correct 45 ms 10008 KB Output is correct
31 Correct 49 ms 10372 KB Output is correct
32 Correct 43 ms 9968 KB Output is correct
33 Correct 44 ms 9712 KB Output is correct
34 Correct 45 ms 9968 KB Output is correct
35 Correct 7 ms 4864 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 46 ms 9968 KB Output is correct
38 Correct 46 ms 9968 KB Output is correct
39 Correct 43 ms 9968 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 7 ms 4992 KB Output is correct
4 Correct 8 ms 4992 KB Output is correct
5 Correct 68 ms 16120 KB Output is correct
6 Correct 63 ms 11208 KB Output is correct
7 Correct 93 ms 15992 KB Output is correct
8 Correct 48 ms 9988 KB Output is correct
9 Correct 77 ms 16120 KB Output is correct
10 Correct 70 ms 13048 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 8 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 4992 KB Output is correct
10 Correct 8 ms 4992 KB Output is correct
11 Correct 8 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 4992 KB Output is correct
38 Correct 7 ms 4992 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 8 ms 4992 KB Output is correct
41 Correct 9 ms 5120 KB Output is correct
42 Correct 8 ms 5120 KB Output is correct
43 Correct 8 ms 5120 KB Output is correct
44 Correct 7 ms 5120 KB Output is correct
45 Correct 7 ms 5120 KB Output is correct
46 Correct 7 ms 5120 KB Output is correct
47 Correct 8 ms 5120 KB Output is correct
48 Correct 8 ms 5120 KB Output is correct
49 Correct 8 ms 5120 KB Output is correct
50 Correct 7 ms 5120 KB Output is correct
51 Correct 7 ms 5120 KB Output is correct
52 Correct 8 ms 5120 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB Output is correct
2 Correct 7 ms 4992 KB Output is correct
3 Correct 8 ms 5120 KB Output is correct
4 Correct 7 ms 4992 KB Output is correct
5 Correct 7 ms 4992 KB Output is correct
6 Correct 8 ms 4992 KB Output is correct
7 Correct 7 ms 4992 KB Output is correct
8 Correct 8 ms 5120 KB Output is correct
9 Correct 8 ms 4992 KB Output is correct
10 Correct 8 ms 4992 KB Output is correct
11 Correct 8 ms 4992 KB Output is correct
12 Correct 7 ms 4992 KB Output is correct
13 Correct 8 ms 4992 KB Output is correct
14 Correct 7 ms 4992 KB Output is correct
15 Correct 8 ms 5120 KB Output is correct
16 Correct 7 ms 4992 KB Output is correct
17 Correct 7 ms 4992 KB Output is correct
18 Correct 8 ms 4992 KB Output is correct
19 Correct 7 ms 4992 KB Output is correct
20 Correct 7 ms 4992 KB Output is correct
21 Correct 7 ms 4992 KB Output is correct
22 Correct 7 ms 4992 KB Output is correct
23 Correct 7 ms 4992 KB Output is correct
24 Correct 7 ms 4992 KB Output is correct
25 Correct 7 ms 4992 KB Output is correct
26 Correct 7 ms 4992 KB Output is correct
27 Correct 7 ms 4992 KB Output is correct
28 Correct 7 ms 4992 KB Output is correct
29 Correct 7 ms 4992 KB Output is correct
30 Correct 7 ms 4992 KB Output is correct
31 Correct 7 ms 4992 KB Output is correct
32 Correct 7 ms 4992 KB Output is correct
33 Correct 7 ms 4992 KB Output is correct
34 Correct 7 ms 4992 KB Output is correct
35 Correct 7 ms 4992 KB Output is correct
36 Correct 7 ms 4992 KB Output is correct
37 Correct 7 ms 4992 KB Output is correct
38 Correct 8 ms 4992 KB Output is correct
39 Correct 7 ms 4992 KB Output is correct
40 Correct 7 ms 4992 KB Output is correct
41 Correct 7 ms 4992 KB Output is correct
42 Correct 7 ms 4992 KB Output is correct
43 Correct 7 ms 4992 KB Output is correct
44 Correct 8 ms 4992 KB Output is correct
45 Correct 8 ms 4992 KB Output is correct
46 Correct 7 ms 4992 KB Output is correct
47 Correct 7 ms 4992 KB Output is correct
48 Correct 7 ms 4992 KB Output is correct
49 Correct 8 ms 4992 KB Output is correct
50 Correct 7 ms 4992 KB Output is correct
51 Correct 7 ms 4992 KB Output is correct
52 Correct 8 ms 5120 KB Output is correct
53 Correct 9 ms 5120 KB Output is correct
54 Correct 11 ms 5632 KB Output is correct
55 Correct 11 ms 5632 KB Output is correct
56 Correct 49 ms 10392 KB Output is correct
57 Correct 45 ms 10476 KB Output is correct
58 Correct 49 ms 10348 KB Output is correct
59 Correct 43 ms 9840 KB Output is correct
60 Correct 47 ms 10476 KB Output is correct
61 Correct 44 ms 10184 KB Output is correct
62 Correct 45 ms 9968 KB Output is correct
63 Correct 44 ms 9968 KB Output is correct
64 Correct 45 ms 10008 KB Output is correct
65 Correct 49 ms 10372 KB Output is correct
66 Correct 43 ms 9968 KB Output is correct
67 Correct 44 ms 9712 KB Output is correct
68 Correct 45 ms 9968 KB Output is correct
69 Correct 7 ms 4864 KB Output is correct
70 Correct 7 ms 4992 KB Output is correct
71 Correct 46 ms 9968 KB Output is correct
72 Correct 46 ms 9968 KB Output is correct
73 Correct 43 ms 9968 KB Output is correct
74 Correct 7 ms 4992 KB Output is correct
75 Correct 7 ms 4992 KB Output is correct
76 Correct 7 ms 4992 KB Output is correct
77 Correct 8 ms 4992 KB Output is correct
78 Correct 68 ms 16120 KB Output is correct
79 Correct 63 ms 11208 KB Output is correct
80 Correct 93 ms 15992 KB Output is correct
81 Correct 48 ms 9988 KB Output is correct
82 Correct 77 ms 16120 KB Output is correct
83 Correct 70 ms 13048 KB Output is correct
84 Correct 7 ms 4992 KB Output is correct
85 Correct 7 ms 4992 KB Output is correct
86 Correct 7 ms 4992 KB Output is correct
87 Correct 8 ms 4992 KB Output is correct
88 Correct 9 ms 5120 KB Output is correct
89 Correct 8 ms 5120 KB Output is correct
90 Correct 8 ms 5120 KB Output is correct
91 Correct 7 ms 5120 KB Output is correct
92 Correct 7 ms 5120 KB Output is correct
93 Correct 7 ms 5120 KB Output is correct
94 Correct 8 ms 5120 KB Output is correct
95 Correct 8 ms 5120 KB Output is correct
96 Correct 8 ms 5120 KB Output is correct
97 Correct 7 ms 5120 KB Output is correct
98 Correct 7 ms 5120 KB Output is correct
99 Correct 8 ms 5120 KB Output is correct
100 Correct 8 ms 5120 KB Output is correct
101 Correct 13 ms 6016 KB Output is correct
102 Correct 13 ms 5760 KB Output is correct
103 Correct 117 ms 16376 KB Output is correct
104 Correct 112 ms 16504 KB Output is correct
105 Correct 94 ms 13688 KB Output is correct
106 Correct 70 ms 15992 KB Output is correct
107 Correct 67 ms 11768 KB Output is correct
108 Correct 72 ms 12152 KB Output is correct
109 Correct 45 ms 10352 KB Output is correct
110 Correct 46 ms 9968 KB Output is correct
111 Correct 75 ms 15480 KB Output is correct
112 Correct 95 ms 15224 KB Output is correct
113 Correct 63 ms 11384 KB Output is correct
114 Correct 72 ms 15992 KB Output is correct
115 Correct 72 ms 15992 KB Output is correct