oj.uz

Submission #439044

# Submission time Handle Problem Language Result Execution time Memory
439044 2021-06-29T06:39:47 Z sean617 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 373 ms 342984 KB 
#include "shoes.h"
#define N 500005
#include <cstdio>
#include <iostream>
#include <queue>

using namespace std;

typedef long long ll;

ll n, t, ans = 0, pa[N], s[N];
queue<ll> qu[N];
ll f_num(int p) {
	if (p < 0) return (n - p);
	else return p;
}

ll f(ll p) {
	ll re =0;
	while (p >= 1) {
		re += s[p];
		p -= (p & -p);
	}
	return re;
}

void g(ll p) {
	while (p <= n) {
		s[p]++;
		p += (p & -p);
	}
}

long long count_swaps(std::vector<int> a) {
    ll i, t, rt, tt, mi;
	n = a.size();
	for (i = 1; i <= n; i++) {
		t = f_num(a[i - 1]);
		rt = f_num(-a[i - 1]);
		if (qu[rt].empty()) {
			qu[t].push(i);
		} else {
			tt = qu[rt].front(); qu[rt].pop();
			pa[tt] = i;
			pa[i] = tt;
		}
	}
	for (i = 1; i <= n; i++) {
		if (i < pa[i]) {
			mi = f(pa[i]) - f(i);
			ans += (pa[i] - i - 1 - mi);
			if (a[i - 1] > 0) ans++;
			g(pa[i]);
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 336880 KB Output is correct
2 Correct 282 ms 336880 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 336880 KB Output is correct
2 Correct 282 ms 336880 KB Output is correct
3 Correct 265 ms 336792 KB Output is correct
4 Correct 270 ms 336912 KB Output is correct
5 Correct 287 ms 336876 KB Output is correct
6 Correct 255 ms 336876 KB Output is correct
7 Correct 270 ms 336868 KB Output is correct
8 Correct 263 ms 336796 KB Output is correct
9 Correct 300 ms 336836 KB Output is correct
10 Correct 272 ms 336852 KB Output is correct
11 Correct 264 ms 336836 KB Output is correct
12 Correct 247 ms 336912 KB Output is correct
13 Correct 267 ms 336836 KB Output is correct
14 Correct 275 ms 336872 KB Output is correct
15 Correct 267 ms 336836 KB Output is correct
16 Correct 257 ms 336892 KB Output is correct
17 Correct 279 ms 336836 KB Output is correct
18 Correct 257 ms 336772 KB Output is correct
19 Correct 300 ms 336836 KB Output is correct
20 Correct 264 ms 336864 KB Output is correct
21 Correct 259 ms 336980 KB Output is correct
22 Correct 281 ms 336880 KB Output is correct
23 Correct 256 ms 336832 KB Output is correct
24 Correct 254 ms 336888 KB Output is correct
25 Correct 292 ms 336964 KB Output is correct
26 Correct 252 ms 336808 KB Output is correct
27 Correct 267 ms 336788 KB Output is correct
28 Correct 262 ms 336784 KB Output is correct
29 Correct 259 ms 336836 KB Output is correct
30 Correct 315 ms 336836 KB Output is correct
31 Correct 286 ms 336836 KB Output is correct
32 Correct 288 ms 336836 KB Output is correct
33 Correct 277 ms 336848 KB Output is correct
34 Correct 265 ms 336896 KB Output is correct
35 Correct 290 ms 336968 KB Output is correct
36 Correct 281 ms 336848 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 336880 KB Output is correct
2 Correct 282 ms 336880 KB Output is correct
3 Correct 268 ms 336940 KB Output is correct
4 Correct 276 ms 336788 KB Output is correct
5 Correct 273 ms 336836 KB Output is correct
6 Correct 259 ms 336904 KB Output is correct
7 Correct 270 ms 336836 KB Output is correct
8 Correct 252 ms 336772 KB Output is correct
9 Correct 305 ms 336836 KB Output is correct
10 Correct 265 ms 336892 KB Output is correct
11 Correct 257 ms 336896 KB Output is correct
12 Correct 281 ms 336848 KB Output is correct
13 Correct 264 ms 336804 KB Output is correct
14 Correct 281 ms 336884 KB Output is correct
15 Correct 262 ms 336964 KB Output is correct
16 Correct 270 ms 336788 KB Output is correct
17 Correct 281 ms 336792 KB Output is correct
18 Correct 254 ms 336848 KB Output is correct
19 Correct 276 ms 336820 KB Output is correct
20 Correct 273 ms 337304 KB Output is correct
21 Correct 259 ms 337348 KB Output is correct
22 Correct 290 ms 341496 KB Output is correct
23 Correct 294 ms 342852 KB Output is correct
24 Correct 341 ms 342876 KB Output is correct
25 Correct 322 ms 342724 KB Output is correct
26 Correct 373 ms 342864 KB Output is correct
27 Correct 303 ms 342672 KB Output is correct
28 Correct 347 ms 342984 KB Output is correct
29 Correct 306 ms 342852 KB Output is correct
30 Correct 300 ms 342904 KB Output is correct
31 Correct 321 ms 342848 KB Output is correct
32 Correct 309 ms 342912 KB Output is correct
33 Correct 318 ms 342764 KB Output is correct
34 Correct 304 ms 342804 KB Output is correct
35 Correct 271 ms 336920 KB Output is correct
36 Correct 265 ms 336880 KB Output is correct
37 Correct 359 ms 342852 KB Output is correct
38 Correct 294 ms 342816 KB Output is correct
39 Correct 297 ms 342800 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 265 ms 336916 KB Output is correct
2 Correct 257 ms 336836 KB Output is correct
3 Correct 268 ms 336768 KB Output is correct
4 Correct 236 ms 336892 KB Output is correct
5 Correct 320 ms 340780 KB Output is correct
6 Correct 323 ms 341956 KB Output is correct
7 Correct 371 ms 342056 KB Output is correct
8 Correct 337 ms 342932 KB Output is correct
9 Correct 355 ms 341972 KB Output is correct
10 Correct 348 ms 341956 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 336880 KB Output is correct
2 Correct 282 ms 336880 KB Output is correct
3 Correct 265 ms 336792 KB Output is correct
4 Correct 270 ms 336912 KB Output is correct
5 Correct 287 ms 336876 KB Output is correct
6 Correct 255 ms 336876 KB Output is correct
7 Correct 270 ms 336868 KB Output is correct
8 Correct 263 ms 336796 KB Output is correct
9 Correct 300 ms 336836 KB Output is correct
10 Correct 272 ms 336852 KB Output is correct
11 Correct 264 ms 336836 KB Output is correct
12 Correct 247 ms 336912 KB Output is correct
13 Correct 267 ms 336836 KB Output is correct
14 Correct 275 ms 336872 KB Output is correct
15 Correct 267 ms 336836 KB Output is correct
16 Correct 257 ms 336892 KB Output is correct
17 Correct 279 ms 336836 KB Output is correct
18 Correct 257 ms 336772 KB Output is correct
19 Correct 300 ms 336836 KB Output is correct
20 Correct 264 ms 336864 KB Output is correct
21 Correct 259 ms 336980 KB Output is correct
22 Correct 281 ms 336880 KB Output is correct
23 Correct 256 ms 336832 KB Output is correct
24 Correct 254 ms 336888 KB Output is correct
25 Correct 292 ms 336964 KB Output is correct
26 Correct 252 ms 336808 KB Output is correct
27 Correct 267 ms 336788 KB Output is correct
28 Correct 262 ms 336784 KB Output is correct
29 Correct 259 ms 336836 KB Output is correct
30 Correct 315 ms 336836 KB Output is correct
31 Correct 286 ms 336836 KB Output is correct
32 Correct 288 ms 336836 KB Output is correct
33 Correct 277 ms 336848 KB Output is correct
34 Correct 265 ms 336896 KB Output is correct
35 Correct 290 ms 336968 KB Output is correct
36 Correct 281 ms 336848 KB Output is correct
37 Correct 272 ms 336892 KB Output is correct
38 Correct 302 ms 336800 KB Output is correct
39 Correct 251 ms 336908 KB Output is correct
40 Correct 263 ms 336856 KB Output is correct
41 Correct 288 ms 336948 KB Output is correct
42 Correct 254 ms 336816 KB Output is correct
43 Correct 255 ms 336836 KB Output is correct
44 Correct 276 ms 336872 KB Output is correct
45 Correct 260 ms 336836 KB Output is correct
46 Correct 257 ms 336836 KB Output is correct
47 Correct 270 ms 336924 KB Output is correct
48 Correct 257 ms 336924 KB Output is correct
49 Correct 282 ms 336836 KB Output is correct
50 Correct 255 ms 336864 KB Output is correct
51 Correct 273 ms 336836 KB Output is correct
52 Correct 264 ms 337176 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 294 ms 336880 KB Output is correct
2 Correct 282 ms 336880 KB Output is correct
3 Correct 265 ms 336792 KB Output is correct
4 Correct 270 ms 336912 KB Output is correct
5 Correct 287 ms 336876 KB Output is correct
6 Correct 255 ms 336876 KB Output is correct
7 Correct 270 ms 336868 KB Output is correct
8 Correct 263 ms 336796 KB Output is correct
9 Correct 300 ms 336836 KB Output is correct
10 Correct 272 ms 336852 KB Output is correct
11 Correct 264 ms 336836 KB Output is correct
12 Correct 247 ms 336912 KB Output is correct
13 Correct 267 ms 336836 KB Output is correct
14 Correct 275 ms 336872 KB Output is correct
15 Correct 267 ms 336836 KB Output is correct
16 Correct 257 ms 336892 KB Output is correct
17 Correct 279 ms 336836 KB Output is correct
18 Correct 257 ms 336772 KB Output is correct
19 Correct 300 ms 336836 KB Output is correct
20 Correct 264 ms 336864 KB Output is correct
21 Correct 259 ms 336980 KB Output is correct
22 Correct 281 ms 336880 KB Output is correct
23 Correct 256 ms 336832 KB Output is correct
24 Correct 254 ms 336888 KB Output is correct
25 Correct 292 ms 336964 KB Output is correct
26 Correct 252 ms 336808 KB Output is correct
27 Correct 267 ms 336788 KB Output is correct
28 Correct 262 ms 336784 KB Output is correct
29 Correct 259 ms 336836 KB Output is correct
30 Correct 315 ms 336836 KB Output is correct
31 Correct 286 ms 336836 KB Output is correct
32 Correct 288 ms 336836 KB Output is correct
33 Correct 277 ms 336848 KB Output is correct
34 Correct 265 ms 336896 KB Output is correct
35 Correct 290 ms 336968 KB Output is correct
36 Correct 281 ms 336848 KB Output is correct
37 Correct 268 ms 336940 KB Output is correct
38 Correct 276 ms 336788 KB Output is correct
39 Correct 273 ms 336836 KB Output is correct
40 Correct 259 ms 336904 KB Output is correct
41 Correct 270 ms 336836 KB Output is correct
42 Correct 252 ms 336772 KB Output is correct
43 Correct 305 ms 336836 KB Output is correct
44 Correct 265 ms 336892 KB Output is correct
45 Correct 257 ms 336896 KB Output is correct
46 Correct 281 ms 336848 KB Output is correct
47 Correct 264 ms 336804 KB Output is correct
48 Correct 281 ms 336884 KB Output is correct
49 Correct 262 ms 336964 KB Output is correct
50 Correct 270 ms 336788 KB Output is correct
51 Correct 281 ms 336792 KB Output is correct
52 Correct 254 ms 336848 KB Output is correct
53 Correct 276 ms 336820 KB Output is correct
54 Correct 273 ms 337304 KB Output is correct
55 Correct 259 ms 337348 KB Output is correct
56 Correct 290 ms 341496 KB Output is correct
57 Correct 294 ms 342852 KB Output is correct
58 Correct 341 ms 342876 KB Output is correct
59 Correct 322 ms 342724 KB Output is correct
60 Correct 373 ms 342864 KB Output is correct
61 Correct 303 ms 342672 KB Output is correct
62 Correct 347 ms 342984 KB Output is correct
63 Correct 306 ms 342852 KB Output is correct
64 Correct 300 ms 342904 KB Output is correct
65 Correct 321 ms 342848 KB Output is correct
66 Correct 309 ms 342912 KB Output is correct
67 Correct 318 ms 342764 KB Output is correct
68 Correct 304 ms 342804 KB Output is correct
69 Correct 271 ms 336920 KB Output is correct
70 Correct 265 ms 336880 KB Output is correct
71 Correct 359 ms 342852 KB Output is correct
72 Correct 294 ms 342816 KB Output is correct
73 Correct 297 ms 342800 KB Output is correct
74 Correct 265 ms 336916 KB Output is correct
75 Correct 257 ms 336836 KB Output is correct
76 Correct 268 ms 336768 KB Output is correct
77 Correct 236 ms 336892 KB Output is correct
78 Correct 320 ms 340780 KB Output is correct
79 Correct 323 ms 341956 KB Output is correct
80 Correct 371 ms 342056 KB Output is correct
81 Correct 337 ms 342932 KB Output is correct
82 Correct 355 ms 341972 KB Output is correct
83 Correct 348 ms 341956 KB Output is correct
84 Correct 272 ms 336892 KB Output is correct
85 Correct 302 ms 336800 KB Output is correct
86 Correct 251 ms 336908 KB Output is correct
87 Correct 263 ms 336856 KB Output is correct
88 Correct 288 ms 336948 KB Output is correct
89 Correct 254 ms 336816 KB Output is correct
90 Correct 255 ms 336836 KB Output is correct
91 Correct 276 ms 336872 KB Output is correct
92 Correct 260 ms 336836 KB Output is correct
93 Correct 257 ms 336836 KB Output is correct
94 Correct 270 ms 336924 KB Output is correct
95 Correct 257 ms 336924 KB Output is correct
96 Correct 282 ms 336836 KB Output is correct
97 Correct 255 ms 336864 KB Output is correct
98 Correct 273 ms 336836 KB Output is correct
99 Correct 264 ms 337176 KB Output is correct
100 Correct 261 ms 336832 KB Output is correct
101 Correct 285 ms 337352 KB Output is correct
102 Correct 260 ms 337404 KB Output is correct
103 Correct 311 ms 342724 KB Output is correct
104 Correct 326 ms 342820 KB Output is correct
105 Correct 316 ms 342724 KB Output is correct
106 Correct 363 ms 342028 KB Output is correct
107 Correct 303 ms 342780 KB Output is correct
108 Correct 311 ms 342872 KB Output is correct
109 Correct 319 ms 342852 KB Output is correct
110 Correct 295 ms 342852 KB Output is correct
111 Correct 326 ms 341948 KB Output is correct
112 Correct 324 ms 342724 KB Output is correct
113 Correct 288 ms 342004 KB Output is correct
114 Correct 359 ms 342084 KB Output is correct
115 Correct 331 ms 342064 KB Output is correct