oj.uz

Submission #259414

# Submission time Handle Problem Language Result Execution time Memory
259414 2020-08-07T18:31:45 Z astoria Arranging Shoes (IOI19_shoes) C++14
100 / 100
 241 ms 207096 KB 
#include "shoes.h"
#include "bits/stdc++.h"
using namespace std;

#define ll long long

#define MAXN 200005
int ft[MAXN];

int sum(int r){
	int an=0;
	for(int i=r; i>=0; i=(i&(i+1))-1){
		an += ft[i];
	}
	return an;
}

int sum(int l, int r){
	if(l!=0) return sum(r)-sum(l-1);
	else return sum(r);
}

void add(int r, int x){
	for(int i=r; i<MAXN; i|=(i+1)){
		ft[i] += x;
	}
}

long long count_swaps(std::vector<int> s) {
	int n=s.size()/2;
	int clo[2*n];
	queue<int> have[3][n+5];
	for(int i=0; i<2*n; i++){
		int x = s[i], y=abs(s[i]);
		if(x<0){
			if(!have[2][y].empty()){
				clo[have[2][y].front()] = i;
				have[2][y].pop();
			}
			else have[1][y].push(i);
		}
		if(x>0){
			if(!have[1][y].empty()){
				clo[have[1][y].front()] = i;
				have[1][y].pop();
			}
			else have[2][y].push(i);
		}
	}
	memset(ft,0,sizeof(ft));
	bool taken[2*n];
	memset(taken,0,sizeof(taken));
	ll an=0;
	for(int i=0; i<2*n; i++){
		if(taken[i]) continue;
		int b = sum(i,clo[i]);
		b += (clo[i]-i-1);
		if(s[i]>0) b++;
		an+=b;
		add(clo[i],-1);
		taken[clo[i]]=1;
	}
	return an;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct
3 Correct 1 ms 1152 KB Output is correct
4 Correct 1 ms 1152 KB Output is correct
5 Correct 1 ms 1152 KB Output is correct
6 Correct 1 ms 1152 KB Output is correct
7 Correct 1 ms 1152 KB Output is correct
8 Correct 1 ms 1152 KB Output is correct
9 Correct 1 ms 1152 KB Output is correct
10 Correct 1 ms 1152 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1152 KB Output is correct
13 Correct 1 ms 1152 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1152 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1152 KB Output is correct
19 Correct 1 ms 1152 KB Output is correct
20 Correct 1 ms 1152 KB Output is correct
21 Correct 1 ms 1152 KB Output is correct
22 Correct 1 ms 1152 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 1 ms 1152 KB Output is correct
25 Correct 1 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 1 ms 1152 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 1 ms 1152 KB Output is correct
31 Correct 1 ms 1152 KB Output is correct
32 Correct 1 ms 1152 KB Output is correct
33 Correct 1 ms 1152 KB Output is correct
34 Correct 1 ms 1152 KB Output is correct
35 Correct 1 ms 1152 KB Output is correct
36 Correct 1 ms 1152 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct
3 Correct 1 ms 1152 KB Output is correct
4 Correct 1 ms 1152 KB Output is correct
5 Correct 1 ms 1152 KB Output is correct
6 Correct 1 ms 1152 KB Output is correct
7 Correct 1 ms 1152 KB Output is correct
8 Correct 1 ms 1152 KB Output is correct
9 Correct 1 ms 1152 KB Output is correct
10 Correct 1 ms 1152 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1152 KB Output is correct
13 Correct 1 ms 1152 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1280 KB Output is correct
17 Correct 1 ms 1664 KB Output is correct
18 Correct 3 ms 3200 KB Output is correct
19 Correct 3 ms 3200 KB Output is correct
20 Correct 22 ms 21632 KB Output is correct
21 Correct 21 ms 21632 KB Output is correct
22 Correct 193 ms 206968 KB Output is correct
23 Correct 193 ms 206840 KB Output is correct
24 Correct 192 ms 206932 KB Output is correct
25 Correct 190 ms 206712 KB Output is correct
26 Correct 194 ms 206968 KB Output is correct
27 Correct 189 ms 206712 KB Output is correct
28 Correct 188 ms 206968 KB Output is correct
29 Correct 194 ms 206968 KB Output is correct
30 Correct 192 ms 206968 KB Output is correct
31 Correct 192 ms 206884 KB Output is correct
32 Correct 187 ms 207096 KB Output is correct
33 Correct 190 ms 206840 KB Output is correct
34 Correct 192 ms 206968 KB Output is correct
35 Correct 1 ms 1152 KB Output is correct
36 Correct 1 ms 1152 KB Output is correct
37 Correct 190 ms 206952 KB Output is correct
38 Correct 188 ms 206968 KB Output is correct
39 Correct 191 ms 207096 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct
3 Correct 1 ms 1152 KB Output is correct
4 Correct 1 ms 1152 KB Output is correct
5 Correct 225 ms 206584 KB Output is correct
6 Correct 205 ms 206584 KB Output is correct
7 Correct 223 ms 206584 KB Output is correct
8 Correct 194 ms 206976 KB Output is correct
9 Correct 231 ms 206456 KB Output is correct
10 Correct 225 ms 206456 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct
3 Correct 1 ms 1152 KB Output is correct
4 Correct 1 ms 1152 KB Output is correct
5 Correct 1 ms 1152 KB Output is correct
6 Correct 1 ms 1152 KB Output is correct
7 Correct 1 ms 1152 KB Output is correct
8 Correct 1 ms 1152 KB Output is correct
9 Correct 1 ms 1152 KB Output is correct
10 Correct 1 ms 1152 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1152 KB Output is correct
13 Correct 1 ms 1152 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1152 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1152 KB Output is correct
19 Correct 1 ms 1152 KB Output is correct
20 Correct 1 ms 1152 KB Output is correct
21 Correct 1 ms 1152 KB Output is correct
22 Correct 1 ms 1152 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 1 ms 1152 KB Output is correct
25 Correct 1 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 1 ms 1152 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 1 ms 1152 KB Output is correct
31 Correct 1 ms 1152 KB Output is correct
32 Correct 1 ms 1152 KB Output is correct
33 Correct 1 ms 1152 KB Output is correct
34 Correct 1 ms 1152 KB Output is correct
35 Correct 1 ms 1152 KB Output is correct
36 Correct 1 ms 1152 KB Output is correct
37 Correct 1 ms 1152 KB Output is correct
38 Correct 1 ms 1152 KB Output is correct
39 Correct 1 ms 1280 KB Output is correct
40 Correct 2 ms 1664 KB Output is correct
41 Correct 3 ms 3200 KB Output is correct
42 Correct 2 ms 3200 KB Output is correct
43 Correct 3 ms 3200 KB Output is correct
44 Correct 3 ms 3200 KB Output is correct
45 Correct 3 ms 3200 KB Output is correct
46 Correct 3 ms 3200 KB Output is correct
47 Correct 3 ms 3200 KB Output is correct
48 Correct 2 ms 3200 KB Output is correct
49 Correct 3 ms 3200 KB Output is correct
50 Correct 3 ms 3200 KB Output is correct
51 Correct 2 ms 3200 KB Output is correct
52 Correct 3 ms 3200 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1152 KB Output is correct
2 Correct 1 ms 1152 KB Output is correct
3 Correct 1 ms 1152 KB Output is correct
4 Correct 1 ms 1152 KB Output is correct
5 Correct 1 ms 1152 KB Output is correct
6 Correct 1 ms 1152 KB Output is correct
7 Correct 1 ms 1152 KB Output is correct
8 Correct 1 ms 1152 KB Output is correct
9 Correct 1 ms 1152 KB Output is correct
10 Correct 1 ms 1152 KB Output is correct
11 Correct 1 ms 1152 KB Output is correct
12 Correct 1 ms 1152 KB Output is correct
13 Correct 1 ms 1152 KB Output is correct
14 Correct 1 ms 1152 KB Output is correct
15 Correct 1 ms 1152 KB Output is correct
16 Correct 1 ms 1152 KB Output is correct
17 Correct 1 ms 1152 KB Output is correct
18 Correct 1 ms 1152 KB Output is correct
19 Correct 1 ms 1152 KB Output is correct
20 Correct 1 ms 1152 KB Output is correct
21 Correct 1 ms 1152 KB Output is correct
22 Correct 1 ms 1152 KB Output is correct
23 Correct 1 ms 1152 KB Output is correct
24 Correct 1 ms 1152 KB Output is correct
25 Correct 1 ms 1152 KB Output is correct
26 Correct 1 ms 1152 KB Output is correct
27 Correct 1 ms 1152 KB Output is correct
28 Correct 1 ms 1152 KB Output is correct
29 Correct 1 ms 1152 KB Output is correct
30 Correct 1 ms 1152 KB Output is correct
31 Correct 1 ms 1152 KB Output is correct
32 Correct 1 ms 1152 KB Output is correct
33 Correct 1 ms 1152 KB Output is correct
34 Correct 1 ms 1152 KB Output is correct
35 Correct 1 ms 1152 KB Output is correct
36 Correct 1 ms 1152 KB Output is correct
37 Correct 1 ms 1152 KB Output is correct
38 Correct 1 ms 1152 KB Output is correct
39 Correct 1 ms 1152 KB Output is correct
40 Correct 1 ms 1152 KB Output is correct
41 Correct 1 ms 1152 KB Output is correct
42 Correct 1 ms 1152 KB Output is correct
43 Correct 1 ms 1152 KB Output is correct
44 Correct 1 ms 1152 KB Output is correct
45 Correct 1 ms 1152 KB Output is correct
46 Correct 1 ms 1152 KB Output is correct
47 Correct 1 ms 1152 KB Output is correct
48 Correct 1 ms 1152 KB Output is correct
49 Correct 1 ms 1152 KB Output is correct
50 Correct 1 ms 1280 KB Output is correct
51 Correct 1 ms 1664 KB Output is correct
52 Correct 3 ms 3200 KB Output is correct
53 Correct 3 ms 3200 KB Output is correct
54 Correct 22 ms 21632 KB Output is correct
55 Correct 21 ms 21632 KB Output is correct
56 Correct 193 ms 206968 KB Output is correct
57 Correct 193 ms 206840 KB Output is correct
58 Correct 192 ms 206932 KB Output is correct
59 Correct 190 ms 206712 KB Output is correct
60 Correct 194 ms 206968 KB Output is correct
61 Correct 189 ms 206712 KB Output is correct
62 Correct 188 ms 206968 KB Output is correct
63 Correct 194 ms 206968 KB Output is correct
64 Correct 192 ms 206968 KB Output is correct
65 Correct 192 ms 206884 KB Output is correct
66 Correct 187 ms 207096 KB Output is correct
67 Correct 190 ms 206840 KB Output is correct
68 Correct 192 ms 206968 KB Output is correct
69 Correct 1 ms 1152 KB Output is correct
70 Correct 1 ms 1152 KB Output is correct
71 Correct 190 ms 206952 KB Output is correct
72 Correct 188 ms 206968 KB Output is correct
73 Correct 191 ms 207096 KB Output is correct
74 Correct 1 ms 1152 KB Output is correct
75 Correct 1 ms 1152 KB Output is correct
76 Correct 1 ms 1152 KB Output is correct
77 Correct 1 ms 1152 KB Output is correct
78 Correct 225 ms 206584 KB Output is correct
79 Correct 205 ms 206584 KB Output is correct
80 Correct 223 ms 206584 KB Output is correct
81 Correct 194 ms 206976 KB Output is correct
82 Correct 231 ms 206456 KB Output is correct
83 Correct 225 ms 206456 KB Output is correct
84 Correct 1 ms 1152 KB Output is correct
85 Correct 1 ms 1152 KB Output is correct
86 Correct 1 ms 1280 KB Output is correct
87 Correct 2 ms 1664 KB Output is correct
88 Correct 3 ms 3200 KB Output is correct
89 Correct 2 ms 3200 KB Output is correct
90 Correct 3 ms 3200 KB Output is correct
91 Correct 3 ms 3200 KB Output is correct
92 Correct 3 ms 3200 KB Output is correct
93 Correct 3 ms 3200 KB Output is correct
94 Correct 3 ms 3200 KB Output is correct
95 Correct 2 ms 3200 KB Output is correct
96 Correct 3 ms 3200 KB Output is correct
97 Correct 3 ms 3200 KB Output is correct
98 Correct 2 ms 3200 KB Output is correct
99 Correct 3 ms 3200 KB Output is correct
100 Correct 3 ms 3200 KB Output is correct
101 Correct 22 ms 21632 KB Output is correct
102 Correct 21 ms 21632 KB Output is correct
103 Correct 241 ms 206840 KB Output is correct
104 Correct 215 ms 206840 KB Output is correct
105 Correct 221 ms 206912 KB Output is correct
106 Correct 233 ms 206508 KB Output is correct
107 Correct 209 ms 206840 KB Output is correct
108 Correct 213 ms 206840 KB Output is correct
109 Correct 193 ms 206968 KB Output is correct
110 Correct 188 ms 207096 KB Output is correct
111 Correct 227 ms 206456 KB Output is correct
112 Correct 230 ms 206840 KB Output is correct
113 Correct 213 ms 206456 KB Output is correct
114 Correct 221 ms 206556 KB Output is correct
115 Correct 220 ms 206456 KB Output is correct