oj.uz

Submission #184111

# Submission time Handle Problem Language Result Execution time Memory
184111 2020-01-10T19:43:45 Z nicolaalexandra Arranging Shoes (IOI19_shoes) C++14
100 / 100
 409 ms 275468 KB 
#include <bits/stdc++.h>
#include "shoes.h"
#define DIM 200010
using namespace std;

long long aib[DIM];
vector <int> v;
deque <int> st[DIM],dr[DIM];
int n,i,x;
int f[DIM];

void update (int p, int n, int val){
    for (;p<=n;p+=(p&-p))
        aib[p] += val;
}
long long query (int p){
    long long sol = 0;
    for (;p;p-=(p&-p))
        sol += aib[p];
    return sol;
}
long long count_swaps (vector <int> v){
    /*for (int i=v.size()-1;i>=0;i--){
        int val = v[i], semn = 1;
        if (val < 0)
            semn = -1, val *= -1;
        d[val].push_back(i+1,semn);
    }*/
    int n = v.size();
    for (int i=v.size()-1;i>=0;i--){
        int val = v[i];
        if (val < 0){
            st[-val].push_back(i);
        } else {
            dr[val].push_back(i);
        }
    }
    for (int i=0;i<n;i++)
        f[i] = 0;
    long long sol = 0;
    for (int i=0;i<v.size();i++){
        if (f[i]) /// inseamna ca deja am rezolvat perechea asta
            continue;
        int val = v[i];
        if (val < 0){
            int poz = dr[-val].back();
            f[poz] = 1;
            dr[-val].pop_back();
            st[-val].pop_back();
            /// ma intereseaza cate elemente am in intervalul i...poz
            long long nr = query (poz+1) - query (i+1);
            sol += poz-i-1 - nr;
            update (poz+1,n,1);
        } else {
            int poz = st[val].back();
            f[poz] = 1;
            st[val].pop_back();
            dr[val].pop_back();
            long long nr = query (poz+1) - query (i+1);
            sol += poz-i - nr;
            update (poz+1,n,1);
        }

    }
    return sol;

}

/*int main (){

    ifstream fin ("date.in");
    ofstream fout ("date.out");
    fin>>n;
    for (i=1;i<=n;i++){
        fin>>x;
        v.push_back(x);
    }
    fout<<count_swaps(v);

    return 0;
}*/

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v.size();i++){
                  ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 269804 KB Output is correct
2 Correct 292 ms 269656 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 269804 KB Output is correct
2 Correct 292 ms 269656 KB Output is correct
3 Correct 292 ms 269648 KB Output is correct
4 Correct 296 ms 269624 KB Output is correct
5 Correct 296 ms 269580 KB Output is correct
6 Correct 295 ms 269592 KB Output is correct
7 Correct 296 ms 269668 KB Output is correct
8 Correct 295 ms 269612 KB Output is correct
9 Correct 295 ms 269664 KB Output is correct
10 Correct 295 ms 269624 KB Output is correct
11 Correct 294 ms 269628 KB Output is correct
12 Correct 292 ms 269628 KB Output is correct
13 Correct 297 ms 269644 KB Output is correct
14 Correct 295 ms 269624 KB Output is correct
15 Correct 292 ms 269612 KB Output is correct
16 Correct 293 ms 269664 KB Output is correct
17 Correct 295 ms 269668 KB Output is correct
18 Correct 291 ms 269660 KB Output is correct
19 Correct 288 ms 269544 KB Output is correct
20 Correct 288 ms 269660 KB Output is correct
21 Correct 294 ms 269540 KB Output is correct
22 Correct 292 ms 269564 KB Output is correct
23 Correct 299 ms 269564 KB Output is correct
24 Correct 294 ms 269624 KB Output is correct
25 Correct 295 ms 269624 KB Output is correct
26 Correct 292 ms 269576 KB Output is correct
27 Correct 291 ms 269668 KB Output is correct
28 Correct 295 ms 269568 KB Output is correct
29 Correct 292 ms 269628 KB Output is correct
30 Correct 292 ms 269688 KB Output is correct
31 Correct 296 ms 269648 KB Output is correct
32 Correct 290 ms 269580 KB Output is correct
33 Correct 293 ms 269648 KB Output is correct
34 Correct 291 ms 269612 KB Output is correct
35 Correct 293 ms 269624 KB Output is correct
36 Correct 294 ms 269596 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 269804 KB Output is correct
2 Correct 292 ms 269656 KB Output is correct
3 Correct 294 ms 269536 KB Output is correct
4 Correct 296 ms 269556 KB Output is correct
5 Correct 295 ms 269628 KB Output is correct
6 Correct 289 ms 269620 KB Output is correct
7 Correct 289 ms 269620 KB Output is correct
8 Correct 290 ms 269664 KB Output is correct
9 Correct 292 ms 269660 KB Output is correct
10 Correct 292 ms 269624 KB Output is correct
11 Correct 295 ms 269656 KB Output is correct
12 Correct 299 ms 269540 KB Output is correct
13 Correct 294 ms 269604 KB Output is correct
14 Correct 292 ms 269540 KB Output is correct
15 Correct 290 ms 269624 KB Output is correct
16 Correct 290 ms 269556 KB Output is correct
17 Correct 295 ms 269656 KB Output is correct
18 Correct 327 ms 269604 KB Output is correct
19 Correct 319 ms 269628 KB Output is correct
20 Correct 324 ms 270248 KB Output is correct
21 Correct 319 ms 270124 KB Output is correct
22 Correct 356 ms 275468 KB Output is correct
23 Correct 348 ms 275360 KB Output is correct
24 Correct 355 ms 275344 KB Output is correct
25 Correct 354 ms 274580 KB Output is correct
26 Correct 358 ms 275356 KB Output is correct
27 Correct 355 ms 275192 KB Output is correct
28 Correct 352 ms 274768 KB Output is correct
29 Correct 371 ms 274804 KB Output is correct
30 Correct 368 ms 274820 KB Output is correct
31 Correct 356 ms 275468 KB Output is correct
32 Correct 357 ms 274852 KB Output is correct
33 Correct 354 ms 274656 KB Output is correct
34 Correct 354 ms 274764 KB Output is correct
35 Correct 291 ms 269568 KB Output is correct
36 Correct 296 ms 269656 KB Output is correct
37 Correct 348 ms 274788 KB Output is correct
38 Correct 353 ms 274756 KB Output is correct
39 Correct 352 ms 274800 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 292 ms 269624 KB Output is correct
2 Correct 292 ms 269572 KB Output is correct
3 Correct 289 ms 269560 KB Output is correct
4 Correct 290 ms 269632 KB Output is correct
5 Correct 387 ms 274048 KB Output is correct
6 Correct 356 ms 274008 KB Output is correct
7 Correct 395 ms 274064 KB Output is correct
8 Correct 348 ms 274868 KB Output is correct
9 Correct 398 ms 274040 KB Output is correct
10 Correct 386 ms 274048 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 269804 KB Output is correct
2 Correct 292 ms 269656 KB Output is correct
3 Correct 292 ms 269648 KB Output is correct
4 Correct 296 ms 269624 KB Output is correct
5 Correct 296 ms 269580 KB Output is correct
6 Correct 295 ms 269592 KB Output is correct
7 Correct 296 ms 269668 KB Output is correct
8 Correct 295 ms 269612 KB Output is correct
9 Correct 295 ms 269664 KB Output is correct
10 Correct 295 ms 269624 KB Output is correct
11 Correct 294 ms 269628 KB Output is correct
12 Correct 292 ms 269628 KB Output is correct
13 Correct 297 ms 269644 KB Output is correct
14 Correct 295 ms 269624 KB Output is correct
15 Correct 292 ms 269612 KB Output is correct
16 Correct 293 ms 269664 KB Output is correct
17 Correct 295 ms 269668 KB Output is correct
18 Correct 291 ms 269660 KB Output is correct
19 Correct 288 ms 269544 KB Output is correct
20 Correct 288 ms 269660 KB Output is correct
21 Correct 294 ms 269540 KB Output is correct
22 Correct 292 ms 269564 KB Output is correct
23 Correct 299 ms 269564 KB Output is correct
24 Correct 294 ms 269624 KB Output is correct
25 Correct 295 ms 269624 KB Output is correct
26 Correct 292 ms 269576 KB Output is correct
27 Correct 291 ms 269668 KB Output is correct
28 Correct 295 ms 269568 KB Output is correct
29 Correct 292 ms 269628 KB Output is correct
30 Correct 292 ms 269688 KB Output is correct
31 Correct 296 ms 269648 KB Output is correct
32 Correct 290 ms 269580 KB Output is correct
33 Correct 293 ms 269648 KB Output is correct
34 Correct 291 ms 269612 KB Output is correct
35 Correct 293 ms 269624 KB Output is correct
36 Correct 294 ms 269596 KB Output is correct
37 Correct 288 ms 269556 KB Output is correct
38 Correct 291 ms 269580 KB Output is correct
39 Correct 288 ms 269552 KB Output is correct
40 Correct 291 ms 269560 KB Output is correct
41 Correct 291 ms 269592 KB Output is correct
42 Correct 294 ms 269652 KB Output is correct
43 Correct 290 ms 269672 KB Output is correct
44 Correct 295 ms 269664 KB Output is correct
45 Correct 291 ms 269668 KB Output is correct
46 Correct 293 ms 269624 KB Output is correct
47 Correct 297 ms 269656 KB Output is correct
48 Correct 299 ms 269672 KB Output is correct
49 Correct 295 ms 269656 KB Output is correct
50 Correct 298 ms 269580 KB Output is correct
51 Correct 372 ms 269600 KB Output is correct
52 Correct 287 ms 269640 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 295 ms 269804 KB Output is correct
2 Correct 292 ms 269656 KB Output is correct
3 Correct 292 ms 269648 KB Output is correct
4 Correct 296 ms 269624 KB Output is correct
5 Correct 296 ms 269580 KB Output is correct
6 Correct 295 ms 269592 KB Output is correct
7 Correct 296 ms 269668 KB Output is correct
8 Correct 295 ms 269612 KB Output is correct
9 Correct 295 ms 269664 KB Output is correct
10 Correct 295 ms 269624 KB Output is correct
11 Correct 294 ms 269628 KB Output is correct
12 Correct 292 ms 269628 KB Output is correct
13 Correct 297 ms 269644 KB Output is correct
14 Correct 295 ms 269624 KB Output is correct
15 Correct 292 ms 269612 KB Output is correct
16 Correct 293 ms 269664 KB Output is correct
17 Correct 295 ms 269668 KB Output is correct
18 Correct 291 ms 269660 KB Output is correct
19 Correct 288 ms 269544 KB Output is correct
20 Correct 288 ms 269660 KB Output is correct
21 Correct 294 ms 269540 KB Output is correct
22 Correct 292 ms 269564 KB Output is correct
23 Correct 299 ms 269564 KB Output is correct
24 Correct 294 ms 269624 KB Output is correct
25 Correct 295 ms 269624 KB Output is correct
26 Correct 292 ms 269576 KB Output is correct
27 Correct 291 ms 269668 KB Output is correct
28 Correct 295 ms 269568 KB Output is correct
29 Correct 292 ms 269628 KB Output is correct
30 Correct 292 ms 269688 KB Output is correct
31 Correct 296 ms 269648 KB Output is correct
32 Correct 290 ms 269580 KB Output is correct
33 Correct 293 ms 269648 KB Output is correct
34 Correct 291 ms 269612 KB Output is correct
35 Correct 293 ms 269624 KB Output is correct
36 Correct 294 ms 269596 KB Output is correct
37 Correct 294 ms 269536 KB Output is correct
38 Correct 296 ms 269556 KB Output is correct
39 Correct 295 ms 269628 KB Output is correct
40 Correct 289 ms 269620 KB Output is correct
41 Correct 289 ms 269620 KB Output is correct
42 Correct 290 ms 269664 KB Output is correct
43 Correct 292 ms 269660 KB Output is correct
44 Correct 292 ms 269624 KB Output is correct
45 Correct 295 ms 269656 KB Output is correct
46 Correct 299 ms 269540 KB Output is correct
47 Correct 294 ms 269604 KB Output is correct
48 Correct 292 ms 269540 KB Output is correct
49 Correct 290 ms 269624 KB Output is correct
50 Correct 290 ms 269556 KB Output is correct
51 Correct 295 ms 269656 KB Output is correct
52 Correct 327 ms 269604 KB Output is correct
53 Correct 319 ms 269628 KB Output is correct
54 Correct 324 ms 270248 KB Output is correct
55 Correct 319 ms 270124 KB Output is correct
56 Correct 356 ms 275468 KB Output is correct
57 Correct 348 ms 275360 KB Output is correct
58 Correct 355 ms 275344 KB Output is correct
59 Correct 354 ms 274580 KB Output is correct
60 Correct 358 ms 275356 KB Output is correct
61 Correct 355 ms 275192 KB Output is correct
62 Correct 352 ms 274768 KB Output is correct
63 Correct 371 ms 274804 KB Output is correct
64 Correct 368 ms 274820 KB Output is correct
65 Correct 356 ms 275468 KB Output is correct
66 Correct 357 ms 274852 KB Output is correct
67 Correct 354 ms 274656 KB Output is correct
68 Correct 354 ms 274764 KB Output is correct
69 Correct 291 ms 269568 KB Output is correct
70 Correct 296 ms 269656 KB Output is correct
71 Correct 348 ms 274788 KB Output is correct
72 Correct 353 ms 274756 KB Output is correct
73 Correct 352 ms 274800 KB Output is correct
74 Correct 292 ms 269624 KB Output is correct
75 Correct 292 ms 269572 KB Output is correct
76 Correct 289 ms 269560 KB Output is correct
77 Correct 290 ms 269632 KB Output is correct
78 Correct 387 ms 274048 KB Output is correct
79 Correct 356 ms 274008 KB Output is correct
80 Correct 395 ms 274064 KB Output is correct
81 Correct 348 ms 274868 KB Output is correct
82 Correct 398 ms 274040 KB Output is correct
83 Correct 386 ms 274048 KB Output is correct
84 Correct 288 ms 269556 KB Output is correct
85 Correct 291 ms 269580 KB Output is correct
86 Correct 288 ms 269552 KB Output is correct
87 Correct 291 ms 269560 KB Output is correct
88 Correct 291 ms 269592 KB Output is correct
89 Correct 294 ms 269652 KB Output is correct
90 Correct 290 ms 269672 KB Output is correct
91 Correct 295 ms 269664 KB Output is correct
92 Correct 291 ms 269668 KB Output is correct
93 Correct 293 ms 269624 KB Output is correct
94 Correct 297 ms 269656 KB Output is correct
95 Correct 299 ms 269672 KB Output is correct
96 Correct 295 ms 269656 KB Output is correct
97 Correct 298 ms 269580 KB Output is correct
98 Correct 372 ms 269600 KB Output is correct
99 Correct 287 ms 269640 KB Output is correct
100 Correct 290 ms 269704 KB Output is correct
101 Correct 297 ms 270088 KB Output is correct
102 Correct 300 ms 270112 KB Output is correct
103 Correct 409 ms 274804 KB Output is correct
104 Correct 396 ms 274764 KB Output is correct
105 Correct 392 ms 274824 KB Output is correct
106 Correct 395 ms 273980 KB Output is correct
107 Correct 355 ms 274836 KB Output is correct
108 Correct 359 ms 274812 KB Output is correct
109 Correct 344 ms 274812 KB Output is correct
110 Correct 350 ms 274836 KB Output is correct
111 Correct 389 ms 273976 KB Output is correct
112 Correct 401 ms 274840 KB Output is correct
113 Correct 359 ms 274012 KB Output is correct
114 Correct 390 ms 274036 KB Output is correct
115 Correct 389 ms 273944 KB Output is correct