oj.uz

Submission #961874

# Submission time Handle Problem Language Result Execution time Memory
961874 2024-04-12T15:37:59 Z Gr1sen Arranging Shoes (IOI19_shoes) C++17
100 / 100
 295 ms 276492 KB 
#include "shoes.h"
#include<iostream>
#include<vector>
#include<algorithm>
#include<stack>

using namespace std;

#define ll long long
#define vi vector<int>
#define vvi vector<vi>
#define vs vector<stack<int>>

struct segmentTree {
	int n;
	vi L;
	void set_n(int a) {
		n = a;
		L.resize(4*n, 0);
	}
	void update(int p, int l, int r, int x, int v) {
		if (l > x || r < x) return;
		if (l == r) {
			L[p] = v;
			return;
		}
		int m = (l+r)/2;
		update(p*2, l, m, x, v);
		update(p*2+1, m+1, r, x, v);
		L[p] = L[p*2] + L[p*2+1];
	}
	int query(int p, int l, int r, int x, int y) {
		//cerr << p << " " << l << " " << r << " " << x << " " << y << endl;
		if (l > y || r < x) return 0;
		if (x <= l && r <= y) {
			return L[p];
		}
		int m = (l+r)/2;
		return query(p*2, l, m, x, y) + query(p*2+1, m+1, r, x, y);
	}
	void print() {
		for (auto i : L) {
			cerr << i << " ";
		}
		cerr << endl;
	}
};

ll count_swaps(vector<int> S) {
	//cerr << endl;
	int n = S.size();
	vs L(n*2+5);
	for (int i = n-1; i > -1; i--) L[S[i]+n].push(i);
	segmentTree T;
	T.set_n(n+5);
	ll t = 0;
	int p = 0;
	while (p < n) {
		//cerr << p << " " << t << endl;
		if (T.query(1, 0, n, p, p)) {
			//cerr << "oink" << endl;
			p++; continue;
		}
		L[S[p]+n].pop();
		//T.print();
		//cerr << "oink" << endl;
		int a = L[S[p]*(-1)+n].top();
		L[S[p]*(-1)+n].pop();
		//cerr << "oink" << endl;
		t += a-p-T.query(1, 0, n, p, a);
		//cerr << "oink" << endl;
		if (S[p] < 0) t--;
		T.update(1, 0, n, a, 1);
		p++;
	}
	return t;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 1 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 608 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 440 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 436 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 376 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 348 KB Output is correct
5 Correct 0 ms 600 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 344 KB Output is correct
9 Correct 1 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 2 ms 3164 KB Output is correct
19 Correct 2 ms 3164 KB Output is correct
20 Correct 19 ms 27996 KB Output is correct
21 Correct 19 ms 28000 KB Output is correct
22 Correct 295 ms 276304 KB Output is correct
23 Correct 196 ms 276308 KB Output is correct
24 Correct 187 ms 276396 KB Output is correct
25 Correct 189 ms 276304 KB Output is correct
26 Correct 197 ms 276344 KB Output is correct
27 Correct 189 ms 276312 KB Output is correct
28 Correct 212 ms 276356 KB Output is correct
29 Correct 188 ms 276352 KB Output is correct
30 Correct 196 ms 276304 KB Output is correct
31 Correct 191 ms 276428 KB Output is correct
32 Correct 194 ms 276492 KB Output is correct
33 Correct 198 ms 276300 KB Output is correct
34 Correct 192 ms 276308 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 196 ms 276404 KB Output is correct
38 Correct 191 ms 276464 KB Output is correct
39 Correct 211 ms 276436 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 234 ms 275404 KB Output is correct
6 Correct 214 ms 275644 KB Output is correct
7 Correct 222 ms 275644 KB Output is correct
8 Correct 190 ms 276308 KB Output is correct
9 Correct 225 ms 275652 KB Output is correct
10 Correct 226 ms 275536 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 1 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 608 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 440 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 436 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 376 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 1 ms 604 KB Output is correct
40 Correct 1 ms 1112 KB Output is correct
41 Correct 2 ms 3164 KB Output is correct
42 Correct 2 ms 3164 KB Output is correct
43 Correct 2 ms 3132 KB Output is correct
44 Correct 2 ms 3164 KB Output is correct
45 Correct 2 ms 3164 KB Output is correct
46 Correct 2 ms 3164 KB Output is correct
47 Correct 3 ms 3160 KB Output is correct
48 Correct 2 ms 3164 KB Output is correct
49 Correct 2 ms 3164 KB Output is correct
50 Correct 2 ms 3160 KB Output is correct
51 Correct 2 ms 3164 KB Output is correct
52 Correct 2 ms 3164 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 1 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 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 608 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 600 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 440 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 436 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 376 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 600 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 344 KB Output is correct
43 Correct 1 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 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 604 KB Output is correct
51 Correct 1 ms 1116 KB Output is correct
52 Correct 2 ms 3164 KB Output is correct
53 Correct 2 ms 3164 KB Output is correct
54 Correct 19 ms 27996 KB Output is correct
55 Correct 19 ms 28000 KB Output is correct
56 Correct 295 ms 276304 KB Output is correct
57 Correct 196 ms 276308 KB Output is correct
58 Correct 187 ms 276396 KB Output is correct
59 Correct 189 ms 276304 KB Output is correct
60 Correct 197 ms 276344 KB Output is correct
61 Correct 189 ms 276312 KB Output is correct
62 Correct 212 ms 276356 KB Output is correct
63 Correct 188 ms 276352 KB Output is correct
64 Correct 196 ms 276304 KB Output is correct
65 Correct 191 ms 276428 KB Output is correct
66 Correct 194 ms 276492 KB Output is correct
67 Correct 198 ms 276300 KB Output is correct
68 Correct 192 ms 276308 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 196 ms 276404 KB Output is correct
72 Correct 191 ms 276464 KB Output is correct
73 Correct 211 ms 276436 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 1 ms 344 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 234 ms 275404 KB Output is correct
79 Correct 214 ms 275644 KB Output is correct
80 Correct 222 ms 275644 KB Output is correct
81 Correct 190 ms 276308 KB Output is correct
82 Correct 225 ms 275652 KB Output is correct
83 Correct 226 ms 275536 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 1112 KB Output is correct
88 Correct 2 ms 3164 KB Output is correct
89 Correct 2 ms 3164 KB Output is correct
90 Correct 2 ms 3132 KB Output is correct
91 Correct 2 ms 3164 KB Output is correct
92 Correct 2 ms 3164 KB Output is correct
93 Correct 2 ms 3164 KB Output is correct
94 Correct 3 ms 3160 KB Output is correct
95 Correct 2 ms 3164 KB Output is correct
96 Correct 2 ms 3164 KB Output is correct
97 Correct 2 ms 3160 KB Output is correct
98 Correct 2 ms 3164 KB Output is correct
99 Correct 2 ms 3164 KB Output is correct
100 Correct 2 ms 3164 KB Output is correct
101 Correct 21 ms 27944 KB Output is correct
102 Correct 20 ms 27736 KB Output is correct
103 Correct 230 ms 275540 KB Output is correct
104 Correct 224 ms 275536 KB Output is correct
105 Correct 218 ms 275532 KB Output is correct
106 Correct 224 ms 275620 KB Output is correct
107 Correct 191 ms 275464 KB Output is correct
108 Correct 204 ms 275464 KB Output is correct
109 Correct 197 ms 276388 KB Output is correct
110 Correct 190 ms 276492 KB Output is correct
111 Correct 217 ms 275540 KB Output is correct
112 Correct 227 ms 275540 KB Output is correct
113 Correct 206 ms 275536 KB Output is correct
114 Correct 221 ms 275424 KB Output is correct
115 Correct 241 ms 275648 KB Output is correct