oj.uz

답안 #877078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
877078 2023-11-22T20:26:30 Z raul2008487 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 197 ms 14240 KB 
#include "shoes.h"
#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define all(v) v.begin(), v.end()
#define fi first
#define se second
#define in insert
using namespace std;
const int sz = 2e5+5;
ll Tree[sz];
void add(ll pos, ll val){
    for(ll i = pos; i<sz ; i += (i & (-i))){
        Tree[i] += val;
    }
}
ll get(ll pos){
    ll rx = 0;
    for(ll i = pos; i>0; i -= (i & (-i))){
        rx += Tree[i];
    }
    return rx;
}
ll ask(ll l, ll r){
    return get(r) - get(l-1);
}
long long count_swaps(vector<int> s) {
	ll n = s.size(), ans = 0;
	set<pair<int,int>> c;
	for(ll i=0;i<n;i++){
        c.in({s[i], i});
        add(i+1, 1);
	}
	for(ll i=0;i<n;i++){
        if(c.find({s[i], i}) == c.end()){continue;}
        ll ix = (*c.lower_bound({-s[i], i})).se;
        if(ix >= (i+2)){
            ans += ask(i+2, ix);
        }
        if(s[i] > 0){
            ans++;
        }
        add(i+1, -1);
        add(ix+1, -1);
        c.erase({s[i], i});
        c.erase({-s[i], ix});
	}
    return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 448 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 448 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 444 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 6 ms 1628 KB Output is correct
21 Correct 7 ms 1628 KB Output is correct
22 Correct 70 ms 14216 KB Output is correct
23 Correct 103 ms 14216 KB Output is correct
24 Correct 73 ms 14224 KB Output is correct
25 Correct 73 ms 13824 KB Output is correct
26 Correct 73 ms 14068 KB Output is correct
27 Correct 90 ms 14092 KB Output is correct
28 Correct 82 ms 14224 KB Output is correct
29 Correct 75 ms 14000 KB Output is correct
30 Correct 77 ms 14220 KB Output is correct
31 Correct 70 ms 14168 KB Output is correct
32 Correct 71 ms 14164 KB Output is correct
33 Correct 74 ms 14032 KB Output is correct
34 Correct 74 ms 14192 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 72 ms 14220 KB Output is correct
38 Correct 71 ms 14160 KB Output is correct
39 Correct 77 ms 14012 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 139 ms 14092 KB Output is correct
6 Correct 158 ms 13940 KB Output is correct
7 Correct 153 ms 14164 KB Output is correct
8 Correct 79 ms 14224 KB Output is correct
9 Correct 144 ms 14160 KB Output is correct
10 Correct 140 ms 14164 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 448 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 2 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 600 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 348 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 448 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 600 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 448 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 444 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 6 ms 1628 KB Output is correct
55 Correct 7 ms 1628 KB Output is correct
56 Correct 70 ms 14216 KB Output is correct
57 Correct 103 ms 14216 KB Output is correct
58 Correct 73 ms 14224 KB Output is correct
59 Correct 73 ms 13824 KB Output is correct
60 Correct 73 ms 14068 KB Output is correct
61 Correct 90 ms 14092 KB Output is correct
62 Correct 82 ms 14224 KB Output is correct
63 Correct 75 ms 14000 KB Output is correct
64 Correct 77 ms 14220 KB Output is correct
65 Correct 70 ms 14168 KB Output is correct
66 Correct 71 ms 14164 KB Output is correct
67 Correct 74 ms 14032 KB Output is correct
68 Correct 74 ms 14192 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 72 ms 14220 KB Output is correct
72 Correct 71 ms 14160 KB Output is correct
73 Correct 77 ms 14012 KB Output is correct
74 Correct 1 ms 344 KB Output is correct
75 Correct 1 ms 348 KB Output is correct
76 Correct 1 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 139 ms 14092 KB Output is correct
79 Correct 158 ms 13940 KB Output is correct
80 Correct 153 ms 14164 KB Output is correct
81 Correct 79 ms 14224 KB Output is correct
82 Correct 144 ms 14160 KB Output is correct
83 Correct 140 ms 14164 KB Output is correct
84 Correct 1 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 348 KB Output is correct
89 Correct 2 ms 348 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 1 ms 348 KB Output is correct
92 Correct 1 ms 600 KB Output is correct
93 Correct 1 ms 348 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 1 ms 348 KB Output is correct
100 Correct 1 ms 344 KB Output is correct
101 Correct 12 ms 1648 KB Output is correct
102 Correct 12 ms 1656 KB Output is correct
103 Correct 178 ms 14192 KB Output is correct
104 Correct 133 ms 14040 KB Output is correct
105 Correct 166 ms 14204 KB Output is correct
106 Correct 135 ms 14168 KB Output is correct
107 Correct 160 ms 13956 KB Output is correct
108 Correct 145 ms 14240 KB Output is correct
109 Correct 70 ms 14092 KB Output is correct
110 Correct 74 ms 14148 KB Output is correct
111 Correct 144 ms 14148 KB Output is correct
112 Correct 197 ms 13976 KB Output is correct
113 Correct 146 ms 14196 KB Output is correct
114 Correct 133 ms 14160 KB Output is correct
115 Correct 134 ms 14004 KB Output is correct