oj.uz

Submission #200391

# Submission time Handle Problem Language Result Execution time Memory
200391 2020-02-06T14:22:53 Z thiago4532 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 333 ms 274676 KB 
#include "shoes.h"
#include <iostream>
#include <queue>

using namespace std;
const int maxn = 1e5 + 10;

#include <vector>
#define INF 0x3f3f3f3f

long long merge_sort(vector<int> &v){
    long long  inv=0;
    if(v.size()==1) return 0;


    vector<int> u1, u2;
    for(int i=0;i<(int)v.size()/2;i++){
        u1.push_back(v[i]);
    }
    for(int i=v.size()/2;i<(int)v.size();i++){
        u2.push_back(v[i]);
    }   

    inv+=merge_sort(u1);
    inv+=merge_sort(u2);

    u1.push_back(INF);
    u2.push_back(INF);

    int ini1=0, ini2=0;
    for(int i=0;i<(int)v.size();i++){
        if(u1[ini1]<=u2[ini2]){
            v[i]=u1[ini1];
            ini1++;
        }
        else{
            v[i]=u2[ini2];
            ini2++;
            inv+=u1.size()-ini1-1;
        }
    }

    return inv;
}

long long count_swaps(std::vector<int> s) {
	int n = s.size();
	vector< queue<int> > mapa(2*n);
	vector<int> pos(n), val(n);

	for (int i = 0; i < (int)s.size(); i++) {
		if (!mapa[ n - s[i] ].empty()) {
			int x = mapa[ n - s[i] ].front();
			mapa[n - s[i]].pop();

			pos[i] = x;
			pos[x] = i;
		}else mapa[ n + s[i] ].push(i);
	}

	int k = 1;
	for (int i = 0; i < (int)s.size(); i++) {
		if (val[ pos[i] ]){
			val[i] = val[ pos[i] ] + 1;
			if (s[i] < s[pos[i]])
				swap(val[i], val[pos[i]]);
		}
		else val[i] = k, k += 2;
	}

	long long sum = merge_sort(val);
	// for(auto & e : val)
	// 	cout << e << " ";
	// cout << "\n";

	return sum;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 248 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 4 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 7 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 372 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 632 KB Output is correct
17 Correct 6 ms 1144 KB Output is correct
18 Correct 8 ms 3064 KB Output is correct
19 Correct 7 ms 3064 KB Output is correct
20 Correct 32 ms 27768 KB Output is correct
21 Correct 34 ms 27768 KB Output is correct
22 Correct 318 ms 274428 KB Output is correct
23 Correct 267 ms 274432 KB Output is correct
24 Correct 277 ms 274568 KB Output is correct
25 Correct 268 ms 274548 KB Output is correct
26 Correct 270 ms 274432 KB Output is correct
27 Correct 281 ms 274440 KB Output is correct
28 Correct 263 ms 274548 KB Output is correct
29 Correct 280 ms 274676 KB Output is correct
30 Correct 279 ms 274420 KB Output is correct
31 Correct 269 ms 274436 KB Output is correct
32 Correct 272 ms 274548 KB Output is correct
33 Correct 273 ms 274548 KB Output is correct
34 Correct 282 ms 274444 KB Output is correct
35 Correct 5 ms 380 KB Output is correct
36 Correct 5 ms 380 KB Output is correct
37 Correct 269 ms 274548 KB Output is correct
38 Correct 268 ms 274424 KB Output is correct
39 Correct 266 ms 274620 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 322 ms 274556 KB Output is correct
6 Correct 298 ms 274428 KB Output is correct
7 Correct 318 ms 274412 KB Output is correct
8 Correct 274 ms 274548 KB Output is correct
9 Correct 317 ms 274440 KB Output is correct
10 Correct 314 ms 274432 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 248 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 4 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 7 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 372 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 636 KB Output is correct
40 Correct 6 ms 1144 KB Output is correct
41 Correct 7 ms 3064 KB Output is correct
42 Correct 7 ms 3064 KB Output is correct
43 Correct 8 ms 3064 KB Output is correct
44 Correct 7 ms 3064 KB Output is correct
45 Correct 7 ms 3064 KB Output is correct
46 Correct 7 ms 3064 KB Output is correct
47 Correct 7 ms 3064 KB Output is correct
48 Correct 8 ms 3064 KB Output is correct
49 Correct 8 ms 3064 KB Output is correct
50 Correct 7 ms 3064 KB Output is correct
51 Correct 7 ms 3064 KB Output is correct
52 Correct 7 ms 3064 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 248 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 5 ms 256 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 4 ms 256 KB Output is correct
24 Correct 5 ms 256 KB Output is correct
25 Correct 7 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 372 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 256 KB Output is correct
38 Correct 5 ms 256 KB Output is correct
39 Correct 5 ms 256 KB Output is correct
40 Correct 5 ms 256 KB Output is correct
41 Correct 4 ms 256 KB Output is correct
42 Correct 5 ms 256 KB Output is correct
43 Correct 5 ms 256 KB Output is correct
44 Correct 5 ms 256 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 256 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 632 KB Output is correct
51 Correct 6 ms 1144 KB Output is correct
52 Correct 8 ms 3064 KB Output is correct
53 Correct 7 ms 3064 KB Output is correct
54 Correct 32 ms 27768 KB Output is correct
55 Correct 34 ms 27768 KB Output is correct
56 Correct 318 ms 274428 KB Output is correct
57 Correct 267 ms 274432 KB Output is correct
58 Correct 277 ms 274568 KB Output is correct
59 Correct 268 ms 274548 KB Output is correct
60 Correct 270 ms 274432 KB Output is correct
61 Correct 281 ms 274440 KB Output is correct
62 Correct 263 ms 274548 KB Output is correct
63 Correct 280 ms 274676 KB Output is correct
64 Correct 279 ms 274420 KB Output is correct
65 Correct 269 ms 274436 KB Output is correct
66 Correct 272 ms 274548 KB Output is correct
67 Correct 273 ms 274548 KB Output is correct
68 Correct 282 ms 274444 KB Output is correct
69 Correct 5 ms 380 KB Output is correct
70 Correct 5 ms 380 KB Output is correct
71 Correct 269 ms 274548 KB Output is correct
72 Correct 268 ms 274424 KB Output is correct
73 Correct 266 ms 274620 KB Output is correct
74 Correct 5 ms 376 KB Output is correct
75 Correct 5 ms 256 KB Output is correct
76 Correct 5 ms 256 KB Output is correct
77 Correct 5 ms 376 KB Output is correct
78 Correct 322 ms 274556 KB Output is correct
79 Correct 298 ms 274428 KB Output is correct
80 Correct 318 ms 274412 KB Output is correct
81 Correct 274 ms 274548 KB Output is correct
82 Correct 317 ms 274440 KB Output is correct
83 Correct 314 ms 274432 KB Output is correct
84 Correct 5 ms 376 KB Output is correct
85 Correct 5 ms 376 KB Output is correct
86 Correct 5 ms 636 KB Output is correct
87 Correct 6 ms 1144 KB Output is correct
88 Correct 7 ms 3064 KB Output is correct
89 Correct 7 ms 3064 KB Output is correct
90 Correct 8 ms 3064 KB Output is correct
91 Correct 7 ms 3064 KB Output is correct
92 Correct 7 ms 3064 KB Output is correct
93 Correct 7 ms 3064 KB Output is correct
94 Correct 7 ms 3064 KB Output is correct
95 Correct 8 ms 3064 KB Output is correct
96 Correct 8 ms 3064 KB Output is correct
97 Correct 7 ms 3064 KB Output is correct
98 Correct 7 ms 3064 KB Output is correct
99 Correct 7 ms 3064 KB Output is correct
100 Correct 7 ms 3064 KB Output is correct
101 Correct 35 ms 27768 KB Output is correct
102 Correct 34 ms 27768 KB Output is correct
103 Correct 333 ms 274356 KB Output is correct
104 Correct 305 ms 274544 KB Output is correct
105 Correct 312 ms 274440 KB Output is correct
106 Correct 314 ms 274432 KB Output is correct
107 Correct 300 ms 274432 KB Output is correct
108 Correct 289 ms 274436 KB Output is correct
109 Correct 280 ms 274548 KB Output is correct
110 Correct 263 ms 274420 KB Output is correct
111 Correct 309 ms 274544 KB Output is correct
112 Correct 319 ms 274540 KB Output is correct
113 Correct 303 ms 274448 KB Output is correct
114 Correct 307 ms 274440 KB Output is correct
115 Correct 324 ms 274440 KB Output is correct