oj.uz

Submission #240831

# Submission time Handle Problem Language Result Execution time Memory
240831 2020-06-21T09:14:29 Z zoomswk Arranging Shoes (IOI19_shoes) C++17
100 / 100
 341 ms 275704 KB 
#include "shoes.h"
#include <queue>
using namespace std;

int n;
int done[200005];
queue<int> occ[400005];
int t[400005];
int tmp[200005];

int qr(int l, int r){
	int res = 0;
	for(l+=n, r+=n; l<r; l>>=1, r>>=1){
		if(l&1) res += t[l++];
		if(r&1) res += t[--r];
	}
	return res;
}

void add(int pos){
	for(t[pos+=n]++; pos>1; pos>>=1) t[pos>>1] = t[pos]+t[pos^1];
}

long long count_swaps(std::vector<int> s) {
	n = (int)s.size();
	for(int i=0; i<n; i++) occ[s[i]+n/2].push(i);
	long long res = 0;
	for(int i=0, pairs_done=0; i<n; i++){
		if(done[i]) continue;
		occ[s[i]+n/2].pop();
		int pos = occ[-s[i]+n/2].front();
		occ[-s[i]+n/2].pop();
		res += pos-2*pairs_done+qr(pos, n);
		if(s[i] < 0) res--;
		add(pos);
		done[pos]++;
		pairs_done++;
	}
	return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 269564 KB Output is correct
2 Correct 218 ms 269584 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 269564 KB Output is correct
2 Correct 218 ms 269584 KB Output is correct
3 Correct 192 ms 269560 KB Output is correct
4 Correct 214 ms 269688 KB Output is correct
5 Correct 200 ms 269584 KB Output is correct
6 Correct 227 ms 269560 KB Output is correct
7 Correct 197 ms 269560 KB Output is correct
8 Correct 214 ms 269632 KB Output is correct
9 Correct 196 ms 269560 KB Output is correct
10 Correct 199 ms 269688 KB Output is correct
11 Correct 196 ms 269688 KB Output is correct
12 Correct 197 ms 269560 KB Output is correct
13 Correct 200 ms 269688 KB Output is correct
14 Correct 192 ms 269560 KB Output is correct
15 Correct 194 ms 269560 KB Output is correct
16 Correct 201 ms 269688 KB Output is correct
17 Correct 192 ms 269560 KB Output is correct
18 Correct 194 ms 269560 KB Output is correct
19 Correct 196 ms 269688 KB Output is correct
20 Correct 193 ms 269560 KB Output is correct
21 Correct 221 ms 269560 KB Output is correct
22 Correct 198 ms 269564 KB Output is correct
23 Correct 192 ms 269560 KB Output is correct
24 Correct 229 ms 269560 KB Output is correct
25 Correct 225 ms 269688 KB Output is correct
26 Correct 194 ms 269560 KB Output is correct
27 Correct 194 ms 269560 KB Output is correct
28 Correct 201 ms 269560 KB Output is correct
29 Correct 220 ms 269560 KB Output is correct
30 Correct 223 ms 269560 KB Output is correct
31 Correct 204 ms 269560 KB Output is correct
32 Correct 201 ms 269688 KB Output is correct
33 Correct 193 ms 269692 KB Output is correct
34 Correct 193 ms 269560 KB Output is correct
35 Correct 194 ms 269560 KB Output is correct
36 Correct 210 ms 269688 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 269564 KB Output is correct
2 Correct 218 ms 269584 KB Output is correct
3 Correct 191 ms 269564 KB Output is correct
4 Correct 190 ms 269560 KB Output is correct
5 Correct 209 ms 269560 KB Output is correct
6 Correct 230 ms 269560 KB Output is correct
7 Correct 197 ms 269560 KB Output is correct
8 Correct 200 ms 269544 KB Output is correct
9 Correct 196 ms 269692 KB Output is correct
10 Correct 195 ms 269560 KB Output is correct
11 Correct 195 ms 269560 KB Output is correct
12 Correct 192 ms 269560 KB Output is correct
13 Correct 198 ms 269560 KB Output is correct
14 Correct 200 ms 269564 KB Output is correct
15 Correct 198 ms 269560 KB Output is correct
16 Correct 200 ms 269560 KB Output is correct
17 Correct 222 ms 269560 KB Output is correct
18 Correct 210 ms 269688 KB Output is correct
19 Correct 221 ms 269692 KB Output is correct
20 Correct 222 ms 270072 KB Output is correct
21 Correct 222 ms 270076 KB Output is correct
22 Correct 250 ms 274296 KB Output is correct
23 Correct 241 ms 274296 KB Output is correct
24 Correct 246 ms 274300 KB Output is correct
25 Correct 247 ms 273144 KB Output is correct
26 Correct 246 ms 275704 KB Output is correct
27 Correct 274 ms 275448 KB Output is correct
28 Correct 247 ms 274424 KB Output is correct
29 Correct 246 ms 274424 KB Output is correct
30 Correct 295 ms 274508 KB Output is correct
31 Correct 271 ms 275576 KB Output is correct
32 Correct 272 ms 274424 KB Output is correct
33 Correct 275 ms 274296 KB Output is correct
34 Correct 242 ms 274424 KB Output is correct
35 Correct 205 ms 269688 KB Output is correct
36 Correct 203 ms 269560 KB Output is correct
37 Correct 250 ms 274424 KB Output is correct
38 Correct 255 ms 274424 KB Output is correct
39 Correct 276 ms 274424 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 220 ms 269560 KB Output is correct
2 Correct 196 ms 269560 KB Output is correct
3 Correct 217 ms 269688 KB Output is correct
4 Correct 200 ms 269560 KB Output is correct
5 Correct 286 ms 272376 KB Output is correct
6 Correct 271 ms 272480 KB Output is correct
7 Correct 294 ms 272376 KB Output is correct
8 Correct 244 ms 273144 KB Output is correct
9 Correct 334 ms 272376 KB Output is correct
10 Correct 323 ms 272480 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 269564 KB Output is correct
2 Correct 218 ms 269584 KB Output is correct
3 Correct 192 ms 269560 KB Output is correct
4 Correct 214 ms 269688 KB Output is correct
5 Correct 200 ms 269584 KB Output is correct
6 Correct 227 ms 269560 KB Output is correct
7 Correct 197 ms 269560 KB Output is correct
8 Correct 214 ms 269632 KB Output is correct
9 Correct 196 ms 269560 KB Output is correct
10 Correct 199 ms 269688 KB Output is correct
11 Correct 196 ms 269688 KB Output is correct
12 Correct 197 ms 269560 KB Output is correct
13 Correct 200 ms 269688 KB Output is correct
14 Correct 192 ms 269560 KB Output is correct
15 Correct 194 ms 269560 KB Output is correct
16 Correct 201 ms 269688 KB Output is correct
17 Correct 192 ms 269560 KB Output is correct
18 Correct 194 ms 269560 KB Output is correct
19 Correct 196 ms 269688 KB Output is correct
20 Correct 193 ms 269560 KB Output is correct
21 Correct 221 ms 269560 KB Output is correct
22 Correct 198 ms 269564 KB Output is correct
23 Correct 192 ms 269560 KB Output is correct
24 Correct 229 ms 269560 KB Output is correct
25 Correct 225 ms 269688 KB Output is correct
26 Correct 194 ms 269560 KB Output is correct
27 Correct 194 ms 269560 KB Output is correct
28 Correct 201 ms 269560 KB Output is correct
29 Correct 220 ms 269560 KB Output is correct
30 Correct 223 ms 269560 KB Output is correct
31 Correct 204 ms 269560 KB Output is correct
32 Correct 201 ms 269688 KB Output is correct
33 Correct 193 ms 269692 KB Output is correct
34 Correct 193 ms 269560 KB Output is correct
35 Correct 194 ms 269560 KB Output is correct
36 Correct 210 ms 269688 KB Output is correct
37 Correct 196 ms 269560 KB Output is correct
38 Correct 213 ms 269816 KB Output is correct
39 Correct 222 ms 269560 KB Output is correct
40 Correct 198 ms 269560 KB Output is correct
41 Correct 193 ms 269688 KB Output is correct
42 Correct 194 ms 269688 KB Output is correct
43 Correct 193 ms 269688 KB Output is correct
44 Correct 198 ms 269688 KB Output is correct
45 Correct 231 ms 269688 KB Output is correct
46 Correct 198 ms 269688 KB Output is correct
47 Correct 202 ms 269664 KB Output is correct
48 Correct 196 ms 269560 KB Output is correct
49 Correct 196 ms 269688 KB Output is correct
50 Correct 199 ms 269560 KB Output is correct
51 Correct 243 ms 269688 KB Output is correct
52 Correct 195 ms 269560 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 195 ms 269564 KB Output is correct
2 Correct 218 ms 269584 KB Output is correct
3 Correct 192 ms 269560 KB Output is correct
4 Correct 214 ms 269688 KB Output is correct
5 Correct 200 ms 269584 KB Output is correct
6 Correct 227 ms 269560 KB Output is correct
7 Correct 197 ms 269560 KB Output is correct
8 Correct 214 ms 269632 KB Output is correct
9 Correct 196 ms 269560 KB Output is correct
10 Correct 199 ms 269688 KB Output is correct
11 Correct 196 ms 269688 KB Output is correct
12 Correct 197 ms 269560 KB Output is correct
13 Correct 200 ms 269688 KB Output is correct
14 Correct 192 ms 269560 KB Output is correct
15 Correct 194 ms 269560 KB Output is correct
16 Correct 201 ms 269688 KB Output is correct
17 Correct 192 ms 269560 KB Output is correct
18 Correct 194 ms 269560 KB Output is correct
19 Correct 196 ms 269688 KB Output is correct
20 Correct 193 ms 269560 KB Output is correct
21 Correct 221 ms 269560 KB Output is correct
22 Correct 198 ms 269564 KB Output is correct
23 Correct 192 ms 269560 KB Output is correct
24 Correct 229 ms 269560 KB Output is correct
25 Correct 225 ms 269688 KB Output is correct
26 Correct 194 ms 269560 KB Output is correct
27 Correct 194 ms 269560 KB Output is correct
28 Correct 201 ms 269560 KB Output is correct
29 Correct 220 ms 269560 KB Output is correct
30 Correct 223 ms 269560 KB Output is correct
31 Correct 204 ms 269560 KB Output is correct
32 Correct 201 ms 269688 KB Output is correct
33 Correct 193 ms 269692 KB Output is correct
34 Correct 193 ms 269560 KB Output is correct
35 Correct 194 ms 269560 KB Output is correct
36 Correct 210 ms 269688 KB Output is correct
37 Correct 191 ms 269564 KB Output is correct
38 Correct 190 ms 269560 KB Output is correct
39 Correct 209 ms 269560 KB Output is correct
40 Correct 230 ms 269560 KB Output is correct
41 Correct 197 ms 269560 KB Output is correct
42 Correct 200 ms 269544 KB Output is correct
43 Correct 196 ms 269692 KB Output is correct
44 Correct 195 ms 269560 KB Output is correct
45 Correct 195 ms 269560 KB Output is correct
46 Correct 192 ms 269560 KB Output is correct
47 Correct 198 ms 269560 KB Output is correct
48 Correct 200 ms 269564 KB Output is correct
49 Correct 198 ms 269560 KB Output is correct
50 Correct 200 ms 269560 KB Output is correct
51 Correct 222 ms 269560 KB Output is correct
52 Correct 210 ms 269688 KB Output is correct
53 Correct 221 ms 269692 KB Output is correct
54 Correct 222 ms 270072 KB Output is correct
55 Correct 222 ms 270076 KB Output is correct
56 Correct 250 ms 274296 KB Output is correct
57 Correct 241 ms 274296 KB Output is correct
58 Correct 246 ms 274300 KB Output is correct
59 Correct 247 ms 273144 KB Output is correct
60 Correct 246 ms 275704 KB Output is correct
61 Correct 274 ms 275448 KB Output is correct
62 Correct 247 ms 274424 KB Output is correct
63 Correct 246 ms 274424 KB Output is correct
64 Correct 295 ms 274508 KB Output is correct
65 Correct 271 ms 275576 KB Output is correct
66 Correct 272 ms 274424 KB Output is correct
67 Correct 275 ms 274296 KB Output is correct
68 Correct 242 ms 274424 KB Output is correct
69 Correct 205 ms 269688 KB Output is correct
70 Correct 203 ms 269560 KB Output is correct
71 Correct 250 ms 274424 KB Output is correct
72 Correct 255 ms 274424 KB Output is correct
73 Correct 276 ms 274424 KB Output is correct
74 Correct 220 ms 269560 KB Output is correct
75 Correct 196 ms 269560 KB Output is correct
76 Correct 217 ms 269688 KB Output is correct
77 Correct 200 ms 269560 KB Output is correct
78 Correct 286 ms 272376 KB Output is correct
79 Correct 271 ms 272480 KB Output is correct
80 Correct 294 ms 272376 KB Output is correct
81 Correct 244 ms 273144 KB Output is correct
82 Correct 334 ms 272376 KB Output is correct
83 Correct 323 ms 272480 KB Output is correct
84 Correct 196 ms 269560 KB Output is correct
85 Correct 213 ms 269816 KB Output is correct
86 Correct 222 ms 269560 KB Output is correct
87 Correct 198 ms 269560 KB Output is correct
88 Correct 193 ms 269688 KB Output is correct
89 Correct 194 ms 269688 KB Output is correct
90 Correct 193 ms 269688 KB Output is correct
91 Correct 198 ms 269688 KB Output is correct
92 Correct 231 ms 269688 KB Output is correct
93 Correct 198 ms 269688 KB Output is correct
94 Correct 202 ms 269664 KB Output is correct
95 Correct 196 ms 269560 KB Output is correct
96 Correct 196 ms 269688 KB Output is correct
97 Correct 199 ms 269560 KB Output is correct
98 Correct 243 ms 269688 KB Output is correct
99 Correct 195 ms 269560 KB Output is correct
100 Correct 195 ms 269688 KB Output is correct
101 Correct 232 ms 270072 KB Output is correct
102 Correct 200 ms 270072 KB Output is correct
103 Correct 316 ms 274864 KB Output is correct
104 Correct 300 ms 274792 KB Output is correct
105 Correct 300 ms 274808 KB Output is correct
106 Correct 288 ms 273656 KB Output is correct
107 Correct 266 ms 274808 KB Output is correct
108 Correct 275 ms 274680 KB Output is correct
109 Correct 279 ms 274424 KB Output is correct
110 Correct 252 ms 274592 KB Output is correct
111 Correct 320 ms 273660 KB Output is correct
112 Correct 341 ms 274808 KB Output is correct
113 Correct 269 ms 273656 KB Output is correct
114 Correct 281 ms 273656 KB Output is correct
115 Correct 310 ms 273712 KB Output is correct