oj.uz

Submission #210568

# Submission time Handle Problem Language Result Execution time Memory
210568 2020-03-17T17:43:52 Z ZloyHR Arranging Shoes (IOI19_shoes) C++17
100 / 100
 210 ms 108296 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<pll,ll> plll;
typedef pair<pll,pll> ppll;
typedef long double ld;

#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define fst first
#define snd second
#define ins insert
#define pb push_back
template< typename T,typename V>ostream &operator<< (ostream &out,const pair<T,V> x){ out << "{" << x.fst << " : " << x.snd << "}"; return out;}template< typename T>ostream &operator<< (ostream &out,const set<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T>ostream &operator<< (ostream &out,const multiset<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T,typename V>ostream &operator<< (ostream &out,const map<T,V> x){ for(auto &it : x){ out << "[" << it.fst << "]" << " = " << it.snd << "\n"; } return out;}template< typename T>ostream &operator<< (ostream &out,const vector<T> x){ for(int i = 0;i < x.size() - 1; ++i){ out << x[i] << " "; } out << x.back(); return out;}template< typename T>ostream &operator<< (ostream &out,const vector<vector<T> > x){ for(int i = 0;i < x.size() - 1; ++i){ out << "[" << i << "]" << " = {" << x[i] << "}\n"; } out << "[" << x.size() - 1 << "]" << " = {" << x.back() << "}\n"; return out;}

const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
const int INF = 1e9;
set<int> pos1[N],pos2[N];
ll f[N];
void upd(int x){
    for(int i = x;i < N; i |= (i + 1)){
        f[i]++;
    }
}
ll get(int x){
    ll ret = 0;
    for(int i = x;i >= 0;i = (i & (i + 1)) - 1){
        ret += f[i];
    }
    return ret;
}
ll get(int l,int r){
    return get(r) - get(l - 1);
}
bool used[N];
long long count_swaps(std::vector<int> s) {
    ll ret = 0;
    for(int i = 0;i < s.size(); ++i){
        if(s[i] < 0)pos1[-s[i]].ins(i);
        else pos2[s[i]].ins(i);
    }
    for(int i = 0; i < s.size(); ++i){
        if(used[i])continue;
        int r = 0;
        if(s[i] < 0){
            r = *pos2[-s[i]].begin();
        }else{
            r = *pos1[s[i]].begin();
        }
        if(s[i] > 0)ret++;
        if(s[i] < 0)s[i] = -s[i];
        pos1[s[i]].erase(pos1[s[i]].begin());
        pos2[s[i]].erase(pos2[s[i]].begin());
        ret += r - i - 1;
        ret -= get(i,r);
        used[r] = true;
        upd(r);
    }
	return ret;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < s.size(); ++i){
                   ~~^~~~~~~~~~
shoes.cpp:45:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < s.size(); ++i){
                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 94328 KB Output is correct
2 Correct 60 ms 94328 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 94328 KB Output is correct
2 Correct 60 ms 94328 KB Output is correct
3 Correct 60 ms 94328 KB Output is correct
4 Correct 61 ms 94328 KB Output is correct
5 Correct 68 ms 94328 KB Output is correct
6 Correct 60 ms 94332 KB Output is correct
7 Correct 60 ms 94328 KB Output is correct
8 Correct 62 ms 94328 KB Output is correct
9 Correct 59 ms 94304 KB Output is correct
10 Correct 61 ms 94328 KB Output is correct
11 Correct 59 ms 94332 KB Output is correct
12 Correct 60 ms 94328 KB Output is correct
13 Correct 60 ms 94332 KB Output is correct
14 Correct 61 ms 94328 KB Output is correct
15 Correct 62 ms 94328 KB Output is correct
16 Correct 60 ms 94332 KB Output is correct
17 Correct 61 ms 94328 KB Output is correct
18 Correct 60 ms 94328 KB Output is correct
19 Correct 61 ms 94332 KB Output is correct
20 Correct 58 ms 94328 KB Output is correct
21 Correct 60 ms 94328 KB Output is correct
22 Correct 63 ms 94328 KB Output is correct
23 Correct 65 ms 94328 KB Output is correct
24 Correct 63 ms 94328 KB Output is correct
25 Correct 59 ms 94328 KB Output is correct
26 Correct 61 ms 94328 KB Output is correct
27 Correct 62 ms 94328 KB Output is correct
28 Correct 60 ms 94328 KB Output is correct
29 Correct 75 ms 94328 KB Output is correct
30 Correct 60 ms 94296 KB Output is correct
31 Correct 60 ms 94328 KB Output is correct
32 Correct 60 ms 94332 KB Output is correct
33 Correct 61 ms 94328 KB Output is correct
34 Correct 60 ms 94328 KB Output is correct
35 Correct 63 ms 94328 KB Output is correct
36 Correct 59 ms 94328 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 94328 KB Output is correct
2 Correct 60 ms 94328 KB Output is correct
3 Correct 60 ms 94328 KB Output is correct
4 Correct 61 ms 94328 KB Output is correct
5 Correct 62 ms 94328 KB Output is correct
6 Correct 65 ms 94328 KB Output is correct
7 Correct 60 ms 94328 KB Output is correct
8 Correct 59 ms 94328 KB Output is correct
9 Correct 61 ms 94328 KB Output is correct
10 Correct 59 ms 94328 KB Output is correct
11 Correct 61 ms 94328 KB Output is correct
12 Correct 62 ms 94328 KB Output is correct
13 Correct 61 ms 94328 KB Output is correct
14 Correct 60 ms 94332 KB Output is correct
15 Correct 61 ms 94328 KB Output is correct
16 Correct 60 ms 94328 KB Output is correct
17 Correct 61 ms 94328 KB Output is correct
18 Correct 61 ms 94456 KB Output is correct
19 Correct 61 ms 94456 KB Output is correct
20 Correct 69 ms 95480 KB Output is correct
21 Correct 67 ms 95608 KB Output is correct
22 Correct 134 ms 107000 KB Output is correct
23 Correct 143 ms 107000 KB Output is correct
24 Correct 132 ms 107000 KB Output is correct
25 Correct 139 ms 106104 KB Output is correct
26 Correct 134 ms 108292 KB Output is correct
27 Correct 147 ms 108028 KB Output is correct
28 Correct 140 ms 107384 KB Output is correct
29 Correct 151 ms 107384 KB Output is correct
30 Correct 142 ms 107384 KB Output is correct
31 Correct 133 ms 108280 KB Output is correct
32 Correct 143 ms 107384 KB Output is correct
33 Correct 141 ms 107156 KB Output is correct
34 Correct 137 ms 107388 KB Output is correct
35 Correct 62 ms 94328 KB Output is correct
36 Correct 61 ms 94332 KB Output is correct
37 Correct 147 ms 107384 KB Output is correct
38 Correct 138 ms 107384 KB Output is correct
39 Correct 139 ms 107384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 94328 KB Output is correct
2 Correct 68 ms 94328 KB Output is correct
3 Correct 60 ms 94328 KB Output is correct
4 Correct 62 ms 94328 KB Output is correct
5 Correct 135 ms 106104 KB Output is correct
6 Correct 171 ms 106104 KB Output is correct
7 Correct 135 ms 106104 KB Output is correct
8 Correct 135 ms 106104 KB Output is correct
9 Correct 136 ms 106104 KB Output is correct
10 Correct 153 ms 106104 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 94328 KB Output is correct
2 Correct 60 ms 94328 KB Output is correct
3 Correct 60 ms 94328 KB Output is correct
4 Correct 61 ms 94328 KB Output is correct
5 Correct 68 ms 94328 KB Output is correct
6 Correct 60 ms 94332 KB Output is correct
7 Correct 60 ms 94328 KB Output is correct
8 Correct 62 ms 94328 KB Output is correct
9 Correct 59 ms 94304 KB Output is correct
10 Correct 61 ms 94328 KB Output is correct
11 Correct 59 ms 94332 KB Output is correct
12 Correct 60 ms 94328 KB Output is correct
13 Correct 60 ms 94332 KB Output is correct
14 Correct 61 ms 94328 KB Output is correct
15 Correct 62 ms 94328 KB Output is correct
16 Correct 60 ms 94332 KB Output is correct
17 Correct 61 ms 94328 KB Output is correct
18 Correct 60 ms 94328 KB Output is correct
19 Correct 61 ms 94332 KB Output is correct
20 Correct 58 ms 94328 KB Output is correct
21 Correct 60 ms 94328 KB Output is correct
22 Correct 63 ms 94328 KB Output is correct
23 Correct 65 ms 94328 KB Output is correct
24 Correct 63 ms 94328 KB Output is correct
25 Correct 59 ms 94328 KB Output is correct
26 Correct 61 ms 94328 KB Output is correct
27 Correct 62 ms 94328 KB Output is correct
28 Correct 60 ms 94328 KB Output is correct
29 Correct 75 ms 94328 KB Output is correct
30 Correct 60 ms 94296 KB Output is correct
31 Correct 60 ms 94328 KB Output is correct
32 Correct 60 ms 94332 KB Output is correct
33 Correct 61 ms 94328 KB Output is correct
34 Correct 60 ms 94328 KB Output is correct
35 Correct 63 ms 94328 KB Output is correct
36 Correct 59 ms 94328 KB Output is correct
37 Correct 60 ms 94328 KB Output is correct
38 Correct 61 ms 94240 KB Output is correct
39 Correct 59 ms 94332 KB Output is correct
40 Correct 60 ms 94328 KB Output is correct
41 Correct 60 ms 94460 KB Output is correct
42 Correct 62 ms 94456 KB Output is correct
43 Correct 62 ms 94456 KB Output is correct
44 Correct 62 ms 94456 KB Output is correct
45 Correct 62 ms 94456 KB Output is correct
46 Correct 60 ms 94456 KB Output is correct
47 Correct 61 ms 94456 KB Output is correct
48 Correct 61 ms 94456 KB Output is correct
49 Correct 60 ms 94456 KB Output is correct
50 Correct 60 ms 94456 KB Output is correct
51 Correct 60 ms 94456 KB Output is correct
52 Correct 60 ms 94456 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 60 ms 94328 KB Output is correct
2 Correct 60 ms 94328 KB Output is correct
3 Correct 60 ms 94328 KB Output is correct
4 Correct 61 ms 94328 KB Output is correct
5 Correct 68 ms 94328 KB Output is correct
6 Correct 60 ms 94332 KB Output is correct
7 Correct 60 ms 94328 KB Output is correct
8 Correct 62 ms 94328 KB Output is correct
9 Correct 59 ms 94304 KB Output is correct
10 Correct 61 ms 94328 KB Output is correct
11 Correct 59 ms 94332 KB Output is correct
12 Correct 60 ms 94328 KB Output is correct
13 Correct 60 ms 94332 KB Output is correct
14 Correct 61 ms 94328 KB Output is correct
15 Correct 62 ms 94328 KB Output is correct
16 Correct 60 ms 94332 KB Output is correct
17 Correct 61 ms 94328 KB Output is correct
18 Correct 60 ms 94328 KB Output is correct
19 Correct 61 ms 94332 KB Output is correct
20 Correct 58 ms 94328 KB Output is correct
21 Correct 60 ms 94328 KB Output is correct
22 Correct 63 ms 94328 KB Output is correct
23 Correct 65 ms 94328 KB Output is correct
24 Correct 63 ms 94328 KB Output is correct
25 Correct 59 ms 94328 KB Output is correct
26 Correct 61 ms 94328 KB Output is correct
27 Correct 62 ms 94328 KB Output is correct
28 Correct 60 ms 94328 KB Output is correct
29 Correct 75 ms 94328 KB Output is correct
30 Correct 60 ms 94296 KB Output is correct
31 Correct 60 ms 94328 KB Output is correct
32 Correct 60 ms 94332 KB Output is correct
33 Correct 61 ms 94328 KB Output is correct
34 Correct 60 ms 94328 KB Output is correct
35 Correct 63 ms 94328 KB Output is correct
36 Correct 59 ms 94328 KB Output is correct
37 Correct 60 ms 94328 KB Output is correct
38 Correct 61 ms 94328 KB Output is correct
39 Correct 62 ms 94328 KB Output is correct
40 Correct 65 ms 94328 KB Output is correct
41 Correct 60 ms 94328 KB Output is correct
42 Correct 59 ms 94328 KB Output is correct
43 Correct 61 ms 94328 KB Output is correct
44 Correct 59 ms 94328 KB Output is correct
45 Correct 61 ms 94328 KB Output is correct
46 Correct 62 ms 94328 KB Output is correct
47 Correct 61 ms 94328 KB Output is correct
48 Correct 60 ms 94332 KB Output is correct
49 Correct 61 ms 94328 KB Output is correct
50 Correct 60 ms 94328 KB Output is correct
51 Correct 61 ms 94328 KB Output is correct
52 Correct 61 ms 94456 KB Output is correct
53 Correct 61 ms 94456 KB Output is correct
54 Correct 69 ms 95480 KB Output is correct
55 Correct 67 ms 95608 KB Output is correct
56 Correct 134 ms 107000 KB Output is correct
57 Correct 143 ms 107000 KB Output is correct
58 Correct 132 ms 107000 KB Output is correct
59 Correct 139 ms 106104 KB Output is correct
60 Correct 134 ms 108292 KB Output is correct
61 Correct 147 ms 108028 KB Output is correct
62 Correct 140 ms 107384 KB Output is correct
63 Correct 151 ms 107384 KB Output is correct
64 Correct 142 ms 107384 KB Output is correct
65 Correct 133 ms 108280 KB Output is correct
66 Correct 143 ms 107384 KB Output is correct
67 Correct 141 ms 107156 KB Output is correct
68 Correct 137 ms 107388 KB Output is correct
69 Correct 62 ms 94328 KB Output is correct
70 Correct 61 ms 94332 KB Output is correct
71 Correct 147 ms 107384 KB Output is correct
72 Correct 138 ms 107384 KB Output is correct
73 Correct 139 ms 107384 KB Output is correct
74 Correct 67 ms 94328 KB Output is correct
75 Correct 68 ms 94328 KB Output is correct
76 Correct 60 ms 94328 KB Output is correct
77 Correct 62 ms 94328 KB Output is correct
78 Correct 135 ms 106104 KB Output is correct
79 Correct 171 ms 106104 KB Output is correct
80 Correct 135 ms 106104 KB Output is correct
81 Correct 135 ms 106104 KB Output is correct
82 Correct 136 ms 106104 KB Output is correct
83 Correct 153 ms 106104 KB Output is correct
84 Correct 60 ms 94328 KB Output is correct
85 Correct 61 ms 94240 KB Output is correct
86 Correct 59 ms 94332 KB Output is correct
87 Correct 60 ms 94328 KB Output is correct
88 Correct 60 ms 94460 KB Output is correct
89 Correct 62 ms 94456 KB Output is correct
90 Correct 62 ms 94456 KB Output is correct
91 Correct 62 ms 94456 KB Output is correct
92 Correct 62 ms 94456 KB Output is correct
93 Correct 60 ms 94456 KB Output is correct
94 Correct 61 ms 94456 KB Output is correct
95 Correct 61 ms 94456 KB Output is correct
96 Correct 60 ms 94456 KB Output is correct
97 Correct 60 ms 94456 KB Output is correct
98 Correct 60 ms 94456 KB Output is correct
99 Correct 60 ms 94456 KB Output is correct
100 Correct 61 ms 94456 KB Output is correct
101 Correct 69 ms 95588 KB Output is correct
102 Correct 70 ms 95608 KB Output is correct
103 Correct 175 ms 108280 KB Output is correct
104 Correct 145 ms 108296 KB Output is correct
105 Correct 181 ms 108280 KB Output is correct
106 Correct 148 ms 107384 KB Output is correct
107 Correct 210 ms 108280 KB Output is correct
108 Correct 178 ms 108208 KB Output is correct
109 Correct 131 ms 107384 KB Output is correct
110 Correct 142 ms 107384 KB Output is correct
111 Correct 151 ms 107384 KB Output is correct
112 Correct 172 ms 108280 KB Output is correct
113 Correct 184 ms 107384 KB Output is correct
114 Correct 142 ms 107384 KB Output is correct
115 Correct 144 ms 107388 KB Output is correct