oj.uz

Submission #240846

# Submission time Handle Problem Language Result Execution time Memory
240846 2020-06-21T09:58:17 Z ikura355 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 311 ms 274924 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
 
#define ll long long
#define pii pair<int,int>
#define X first
#define Y second
 
const int maxn = 2e5 + 5;
 
int n, m;
queue<int> pos[maxn][2];
pii a[maxn];
vector<pair<ll, pair<int,int>>> cost;
int fen[maxn];

int calc(pair<int,int> x, pair<int,int> y) {
	return (x.first > y.first) + (x.first > y.second) + (x.second > y.first) + (x.second > y.second);
}

void update(int x, int val) {
	x++;
	while(x > 0) {
		fen[x] += val;
		x -= x&-x;
	}
}

int sum(int x) {
	x++;
	int sum = 0;
	while(x <= n) {
		sum += fen[x];
		x += x&-x;
	}
	return sum;
}
 
long long count_swaps(std::vector<int> s) {
	n = s.size(); m = 0;
	for(int i = 0; i < n; i++) {
		int x = abs(s[i]);
		pos[x][s[i] < 0].push(i);
 
		// printf("%d: %d\n",x,s[i]<0);
 
		if(!pos[x][0].empty() && !pos[x][1].empty()) {
			a[++m] = {pos[x][1].front(), pos[x][0].front()};
			// printf("{%d, %d}\n",a[m].first,a[m].second);
			pos[x][0].pop(); pos[x][1].pop();
		}
	}

	for(int i=1;i<=m;i++) {
		int x = a[i].first, y = a[i].second;
		cost.push_back({x + y - (x < y), {x, y}});
	}
	sort(cost.begin(), cost.end());

	ll ans = 0;
	for(int i=0;i<m;i++) {
		int x = cost[i].second.first, y = cost[i].second.second;
		// printf("%lld %d %d: %lld\n",cost[i].first,cost[i].second.first,cost[i].second.second,cost[i].first - 4 * i);
		ans += cost[i].first + sum(x) + sum(y) - 4 * i;
		update(x, 1); update(y, 1);
	}
 
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 269560 KB Output is correct
2 Correct 203 ms 269688 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 269560 KB Output is correct
2 Correct 203 ms 269688 KB Output is correct
3 Correct 228 ms 269764 KB Output is correct
4 Correct 204 ms 269688 KB Output is correct
5 Correct 203 ms 269688 KB Output is correct
6 Correct 206 ms 269688 KB Output is correct
7 Correct 201 ms 269560 KB Output is correct
8 Correct 197 ms 269560 KB Output is correct
9 Correct 214 ms 269688 KB Output is correct
10 Correct 200 ms 269560 KB Output is correct
11 Correct 210 ms 269688 KB Output is correct
12 Correct 218 ms 269688 KB Output is correct
13 Correct 200 ms 269560 KB Output is correct
14 Correct 209 ms 269560 KB Output is correct
15 Correct 205 ms 269636 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 208 ms 269688 KB Output is correct
18 Correct 201 ms 269688 KB Output is correct
19 Correct 200 ms 269560 KB Output is correct
20 Correct 199 ms 269560 KB Output is correct
21 Correct 197 ms 269644 KB Output is correct
22 Correct 198 ms 269688 KB Output is correct
23 Correct 211 ms 269688 KB Output is correct
24 Correct 209 ms 269688 KB Output is correct
25 Correct 200 ms 269688 KB Output is correct
26 Correct 201 ms 269664 KB Output is correct
27 Correct 200 ms 269560 KB Output is correct
28 Correct 201 ms 269688 KB Output is correct
29 Correct 202 ms 269560 KB Output is correct
30 Correct 200 ms 269688 KB Output is correct
31 Correct 199 ms 269560 KB Output is correct
32 Correct 199 ms 269560 KB Output is correct
33 Correct 206 ms 269688 KB Output is correct
34 Correct 206 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 210 ms 269560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 269560 KB Output is correct
2 Correct 203 ms 269688 KB Output is correct
3 Correct 201 ms 269688 KB Output is correct
4 Correct 202 ms 269560 KB Output is correct
5 Correct 212 ms 269688 KB Output is correct
6 Correct 199 ms 269560 KB Output is correct
7 Correct 222 ms 269560 KB Output is correct
8 Correct 212 ms 269560 KB Output is correct
9 Correct 214 ms 269688 KB Output is correct
10 Correct 198 ms 269560 KB Output is correct
11 Correct 197 ms 269560 KB Output is correct
12 Correct 201 ms 269688 KB Output is correct
13 Correct 221 ms 269560 KB Output is correct
14 Correct 199 ms 269560 KB Output is correct
15 Correct 221 ms 269688 KB Output is correct
16 Correct 200 ms 269560 KB Output is correct
17 Correct 205 ms 269560 KB Output is correct
18 Correct 214 ms 269688 KB Output is correct
19 Correct 216 ms 269688 KB Output is correct
20 Correct 208 ms 270176 KB Output is correct
21 Correct 227 ms 270328 KB Output is correct
22 Correct 269 ms 274408 KB Output is correct
23 Correct 263 ms 274536 KB Output is correct
24 Correct 253 ms 274408 KB Output is correct
25 Correct 255 ms 274668 KB Output is correct
26 Correct 257 ms 274408 KB Output is correct
27 Correct 286 ms 274408 KB Output is correct
28 Correct 281 ms 274668 KB Output is correct
29 Correct 274 ms 274668 KB Output is correct
30 Correct 254 ms 274668 KB Output is correct
31 Correct 249 ms 274408 KB Output is correct
32 Correct 254 ms 274668 KB Output is correct
33 Correct 269 ms 274796 KB Output is correct
34 Correct 280 ms 274924 KB Output is correct
35 Correct 203 ms 269560 KB Output is correct
36 Correct 235 ms 269560 KB Output is correct
37 Correct 253 ms 274668 KB Output is correct
38 Correct 248 ms 274668 KB Output is correct
39 Correct 282 ms 274668 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 218 ms 269560 KB Output is correct
2 Correct 205 ms 269560 KB Output is correct
3 Correct 203 ms 269560 KB Output is correct
4 Correct 202 ms 269560 KB Output is correct
5 Correct 283 ms 274408 KB Output is correct
6 Correct 252 ms 274408 KB Output is correct
7 Correct 285 ms 274424 KB Output is correct
8 Correct 250 ms 274924 KB Output is correct
9 Correct 286 ms 274408 KB Output is correct
10 Correct 277 ms 274536 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 269560 KB Output is correct
2 Correct 203 ms 269688 KB Output is correct
3 Correct 228 ms 269764 KB Output is correct
4 Correct 204 ms 269688 KB Output is correct
5 Correct 203 ms 269688 KB Output is correct
6 Correct 206 ms 269688 KB Output is correct
7 Correct 201 ms 269560 KB Output is correct
8 Correct 197 ms 269560 KB Output is correct
9 Correct 214 ms 269688 KB Output is correct
10 Correct 200 ms 269560 KB Output is correct
11 Correct 210 ms 269688 KB Output is correct
12 Correct 218 ms 269688 KB Output is correct
13 Correct 200 ms 269560 KB Output is correct
14 Correct 209 ms 269560 KB Output is correct
15 Correct 205 ms 269636 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 208 ms 269688 KB Output is correct
18 Correct 201 ms 269688 KB Output is correct
19 Correct 200 ms 269560 KB Output is correct
20 Correct 199 ms 269560 KB Output is correct
21 Correct 197 ms 269644 KB Output is correct
22 Correct 198 ms 269688 KB Output is correct
23 Correct 211 ms 269688 KB Output is correct
24 Correct 209 ms 269688 KB Output is correct
25 Correct 200 ms 269688 KB Output is correct
26 Correct 201 ms 269664 KB Output is correct
27 Correct 200 ms 269560 KB Output is correct
28 Correct 201 ms 269688 KB Output is correct
29 Correct 202 ms 269560 KB Output is correct
30 Correct 200 ms 269688 KB Output is correct
31 Correct 199 ms 269560 KB Output is correct
32 Correct 199 ms 269560 KB Output is correct
33 Correct 206 ms 269688 KB Output is correct
34 Correct 206 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 210 ms 269560 KB Output is correct
37 Correct 213 ms 269560 KB Output is correct
38 Correct 234 ms 269560 KB Output is correct
39 Correct 201 ms 269560 KB Output is correct
40 Correct 200 ms 269564 KB Output is correct
41 Correct 204 ms 269688 KB Output is correct
42 Correct 196 ms 269688 KB Output is correct
43 Correct 201 ms 269688 KB Output is correct
44 Correct 200 ms 269816 KB Output is correct
45 Correct 226 ms 269688 KB Output is correct
46 Correct 200 ms 269688 KB Output is correct
47 Correct 208 ms 269688 KB Output is correct
48 Correct 201 ms 269688 KB Output is correct
49 Correct 206 ms 269664 KB Output is correct
50 Correct 222 ms 269756 KB Output is correct
51 Correct 217 ms 269688 KB Output is correct
52 Correct 199 ms 269688 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 269560 KB Output is correct
2 Correct 203 ms 269688 KB Output is correct
3 Correct 228 ms 269764 KB Output is correct
4 Correct 204 ms 269688 KB Output is correct
5 Correct 203 ms 269688 KB Output is correct
6 Correct 206 ms 269688 KB Output is correct
7 Correct 201 ms 269560 KB Output is correct
8 Correct 197 ms 269560 KB Output is correct
9 Correct 214 ms 269688 KB Output is correct
10 Correct 200 ms 269560 KB Output is correct
11 Correct 210 ms 269688 KB Output is correct
12 Correct 218 ms 269688 KB Output is correct
13 Correct 200 ms 269560 KB Output is correct
14 Correct 209 ms 269560 KB Output is correct
15 Correct 205 ms 269636 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 208 ms 269688 KB Output is correct
18 Correct 201 ms 269688 KB Output is correct
19 Correct 200 ms 269560 KB Output is correct
20 Correct 199 ms 269560 KB Output is correct
21 Correct 197 ms 269644 KB Output is correct
22 Correct 198 ms 269688 KB Output is correct
23 Correct 211 ms 269688 KB Output is correct
24 Correct 209 ms 269688 KB Output is correct
25 Correct 200 ms 269688 KB Output is correct
26 Correct 201 ms 269664 KB Output is correct
27 Correct 200 ms 269560 KB Output is correct
28 Correct 201 ms 269688 KB Output is correct
29 Correct 202 ms 269560 KB Output is correct
30 Correct 200 ms 269688 KB Output is correct
31 Correct 199 ms 269560 KB Output is correct
32 Correct 199 ms 269560 KB Output is correct
33 Correct 206 ms 269688 KB Output is correct
34 Correct 206 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 210 ms 269560 KB Output is correct
37 Correct 201 ms 269688 KB Output is correct
38 Correct 202 ms 269560 KB Output is correct
39 Correct 212 ms 269688 KB Output is correct
40 Correct 199 ms 269560 KB Output is correct
41 Correct 222 ms 269560 KB Output is correct
42 Correct 212 ms 269560 KB Output is correct
43 Correct 214 ms 269688 KB Output is correct
44 Correct 198 ms 269560 KB Output is correct
45 Correct 197 ms 269560 KB Output is correct
46 Correct 201 ms 269688 KB Output is correct
47 Correct 221 ms 269560 KB Output is correct
48 Correct 199 ms 269560 KB Output is correct
49 Correct 221 ms 269688 KB Output is correct
50 Correct 200 ms 269560 KB Output is correct
51 Correct 205 ms 269560 KB Output is correct
52 Correct 214 ms 269688 KB Output is correct
53 Correct 216 ms 269688 KB Output is correct
54 Correct 208 ms 270176 KB Output is correct
55 Correct 227 ms 270328 KB Output is correct
56 Correct 269 ms 274408 KB Output is correct
57 Correct 263 ms 274536 KB Output is correct
58 Correct 253 ms 274408 KB Output is correct
59 Correct 255 ms 274668 KB Output is correct
60 Correct 257 ms 274408 KB Output is correct
61 Correct 286 ms 274408 KB Output is correct
62 Correct 281 ms 274668 KB Output is correct
63 Correct 274 ms 274668 KB Output is correct
64 Correct 254 ms 274668 KB Output is correct
65 Correct 249 ms 274408 KB Output is correct
66 Correct 254 ms 274668 KB Output is correct
67 Correct 269 ms 274796 KB Output is correct
68 Correct 280 ms 274924 KB Output is correct
69 Correct 203 ms 269560 KB Output is correct
70 Correct 235 ms 269560 KB Output is correct
71 Correct 253 ms 274668 KB Output is correct
72 Correct 248 ms 274668 KB Output is correct
73 Correct 282 ms 274668 KB Output is correct
74 Correct 218 ms 269560 KB Output is correct
75 Correct 205 ms 269560 KB Output is correct
76 Correct 203 ms 269560 KB Output is correct
77 Correct 202 ms 269560 KB Output is correct
78 Correct 283 ms 274408 KB Output is correct
79 Correct 252 ms 274408 KB Output is correct
80 Correct 285 ms 274424 KB Output is correct
81 Correct 250 ms 274924 KB Output is correct
82 Correct 286 ms 274408 KB Output is correct
83 Correct 277 ms 274536 KB Output is correct
84 Correct 213 ms 269560 KB Output is correct
85 Correct 234 ms 269560 KB Output is correct
86 Correct 201 ms 269560 KB Output is correct
87 Correct 200 ms 269564 KB Output is correct
88 Correct 204 ms 269688 KB Output is correct
89 Correct 196 ms 269688 KB Output is correct
90 Correct 201 ms 269688 KB Output is correct
91 Correct 200 ms 269816 KB Output is correct
92 Correct 226 ms 269688 KB Output is correct
93 Correct 200 ms 269688 KB Output is correct
94 Correct 208 ms 269688 KB Output is correct
95 Correct 201 ms 269688 KB Output is correct
96 Correct 206 ms 269664 KB Output is correct
97 Correct 222 ms 269756 KB Output is correct
98 Correct 217 ms 269688 KB Output is correct
99 Correct 199 ms 269688 KB Output is correct
100 Correct 225 ms 269664 KB Output is correct
101 Correct 208 ms 270200 KB Output is correct
102 Correct 229 ms 270200 KB Output is correct
103 Correct 274 ms 274408 KB Output is correct
104 Correct 266 ms 274408 KB Output is correct
105 Correct 265 ms 274540 KB Output is correct
106 Correct 280 ms 274564 KB Output is correct
107 Correct 256 ms 274536 KB Output is correct
108 Correct 261 ms 274536 KB Output is correct
109 Correct 251 ms 274668 KB Output is correct
110 Correct 261 ms 274668 KB Output is correct
111 Correct 265 ms 274408 KB Output is correct
112 Correct 301 ms 274484 KB Output is correct
113 Correct 265 ms 274536 KB Output is correct
114 Correct 311 ms 274412 KB Output is correct
115 Correct 266 ms 274536 KB Output is correct