oj.uz

Submission #160377

# Submission time Handle Problem Language Result Execution time Memory
160377 2019-10-27T08:24:25 Z georgerapeanu Arranging Shoes (IOI19_shoes) C++17
100 / 100
 431 ms 274456 KB 
#include "shoes.h"

#pragma once
#include <deque>
#include <algorithm>

using namespace std;

deque<int> left[200005];
deque<int> right[200005];
int aib[200005];
bool viz[200005];

void update(int pos,int val){
    for(;pos <= 2e5 + 1;pos += (-pos) & pos){
        aib[pos] += val;
    }
}

int query(int pos){
    int ans = 0;
    for(;pos;pos -= (-pos) & pos){
        ans += aib[pos];
    }
    return ans;
}

long long count_swaps(vector<int> s) {
    reverse(s.begin(),s.end());
    s.push_back(0);
    reverse(s.begin(),s.end());
    for(int i = 1;i < (int)s.size();i++){
        if(s[i] < 0){
            left[-s[i]].push_back(i);
        }
        else{
            right[s[i]].push_back(i);
        }
        update(i,1);
    }

    long long ans = 0;

    for(int i = 1;i < (int)s.size();i++){
        if(viz[i] == true){
            continue;
        }
        if(s[i] < 0){
            int pos = right[-s[i]].front();
            right[-s[i]].pop_front();
            left[-s[i]].pop_front();
            update(pos,-1);
            viz[pos] = true;
            update(i,-1);
            viz[i] = true;
            ans += query(pos) - query(i);
        }
        else{
            int pos = left[s[i]].front();
            left[s[i]].pop_front();
            right[s[i]].pop_front();
            update(pos,-1);
            viz[pos] = true;
            ans += query(pos) - query(i - 1);
            update(i,-1);
            viz[i] = true;
        }
    }
    return ans;
}

Compilation message

shoes.cpp:3:9: warning: #pragma once in main file
 #pragma once
         ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 269596 KB Output is correct
2 Correct 283 ms 269688 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 269596 KB Output is correct
2 Correct 283 ms 269688 KB Output is correct
3 Correct 280 ms 269728 KB Output is correct
4 Correct 289 ms 269688 KB Output is correct
5 Correct 286 ms 269688 KB Output is correct
6 Correct 295 ms 269688 KB Output is correct
7 Correct 284 ms 269668 KB Output is correct
8 Correct 289 ms 269728 KB Output is correct
9 Correct 287 ms 269620 KB Output is correct
10 Correct 278 ms 269688 KB Output is correct
11 Correct 294 ms 269688 KB Output is correct
12 Correct 294 ms 269688 KB Output is correct
13 Correct 279 ms 269688 KB Output is correct
14 Correct 280 ms 269560 KB Output is correct
15 Correct 282 ms 269688 KB Output is correct
16 Correct 284 ms 269592 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 292 ms 269664 KB Output is correct
19 Correct 284 ms 269692 KB Output is correct
20 Correct 283 ms 269624 KB Output is correct
21 Correct 278 ms 269688 KB Output is correct
22 Correct 281 ms 269688 KB Output is correct
23 Correct 294 ms 269688 KB Output is correct
24 Correct 284 ms 269560 KB Output is correct
25 Correct 290 ms 269688 KB Output is correct
26 Correct 280 ms 269724 KB Output is correct
27 Correct 281 ms 269724 KB Output is correct
28 Correct 288 ms 269688 KB Output is correct
29 Correct 299 ms 269660 KB Output is correct
30 Correct 297 ms 269612 KB Output is correct
31 Correct 298 ms 269680 KB Output is correct
32 Correct 280 ms 269700 KB Output is correct
33 Correct 286 ms 269668 KB Output is correct
34 Correct 301 ms 269660 KB Output is correct
35 Correct 296 ms 269560 KB Output is correct
36 Correct 282 ms 269560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 269596 KB Output is correct
2 Correct 283 ms 269688 KB Output is correct
3 Correct 284 ms 269588 KB Output is correct
4 Correct 289 ms 269708 KB Output is correct
5 Correct 297 ms 269628 KB Output is correct
6 Correct 289 ms 269688 KB Output is correct
7 Correct 279 ms 269560 KB Output is correct
8 Correct 283 ms 269732 KB Output is correct
9 Correct 280 ms 269748 KB Output is correct
10 Correct 281 ms 269688 KB Output is correct
11 Correct 284 ms 269560 KB Output is correct
12 Correct 288 ms 269688 KB Output is correct
13 Correct 283 ms 269688 KB Output is correct
14 Correct 297 ms 269816 KB Output is correct
15 Correct 297 ms 269688 KB Output is correct
16 Correct 284 ms 269688 KB Output is correct
17 Correct 296 ms 269688 KB Output is correct
18 Correct 310 ms 269688 KB Output is correct
19 Correct 306 ms 269816 KB Output is correct
20 Correct 310 ms 270072 KB Output is correct
21 Correct 313 ms 270072 KB Output is correct
22 Correct 350 ms 274028 KB Output is correct
23 Correct 351 ms 274396 KB Output is correct
24 Correct 352 ms 274456 KB Output is correct
25 Correct 360 ms 273996 KB Output is correct
26 Correct 431 ms 274280 KB Output is correct
27 Correct 348 ms 274116 KB Output is correct
28 Correct 361 ms 274408 KB Output is correct
29 Correct 350 ms 274272 KB Output is correct
30 Correct 358 ms 274280 KB Output is correct
31 Correct 362 ms 274408 KB Output is correct
32 Correct 347 ms 274280 KB Output is correct
33 Correct 403 ms 274024 KB Output is correct
34 Correct 351 ms 274376 KB Output is correct
35 Correct 283 ms 269688 KB Output is correct
36 Correct 283 ms 269680 KB Output is correct
37 Correct 350 ms 274196 KB Output is correct
38 Correct 350 ms 274408 KB Output is correct
39 Correct 346 ms 274280 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 291 ms 269560 KB Output is correct
2 Correct 281 ms 269704 KB Output is correct
3 Correct 281 ms 269764 KB Output is correct
4 Correct 281 ms 269688 KB Output is correct
5 Correct 379 ms 273368 KB Output is correct
6 Correct 359 ms 273640 KB Output is correct
7 Correct 387 ms 273544 KB Output is correct
8 Correct 345 ms 274256 KB Output is correct
9 Correct 391 ms 273384 KB Output is correct
10 Correct 364 ms 273380 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 269596 KB Output is correct
2 Correct 283 ms 269688 KB Output is correct
3 Correct 280 ms 269728 KB Output is correct
4 Correct 289 ms 269688 KB Output is correct
5 Correct 286 ms 269688 KB Output is correct
6 Correct 295 ms 269688 KB Output is correct
7 Correct 284 ms 269668 KB Output is correct
8 Correct 289 ms 269728 KB Output is correct
9 Correct 287 ms 269620 KB Output is correct
10 Correct 278 ms 269688 KB Output is correct
11 Correct 294 ms 269688 KB Output is correct
12 Correct 294 ms 269688 KB Output is correct
13 Correct 279 ms 269688 KB Output is correct
14 Correct 280 ms 269560 KB Output is correct
15 Correct 282 ms 269688 KB Output is correct
16 Correct 284 ms 269592 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 292 ms 269664 KB Output is correct
19 Correct 284 ms 269692 KB Output is correct
20 Correct 283 ms 269624 KB Output is correct
21 Correct 278 ms 269688 KB Output is correct
22 Correct 281 ms 269688 KB Output is correct
23 Correct 294 ms 269688 KB Output is correct
24 Correct 284 ms 269560 KB Output is correct
25 Correct 290 ms 269688 KB Output is correct
26 Correct 280 ms 269724 KB Output is correct
27 Correct 281 ms 269724 KB Output is correct
28 Correct 288 ms 269688 KB Output is correct
29 Correct 299 ms 269660 KB Output is correct
30 Correct 297 ms 269612 KB Output is correct
31 Correct 298 ms 269680 KB Output is correct
32 Correct 280 ms 269700 KB Output is correct
33 Correct 286 ms 269668 KB Output is correct
34 Correct 301 ms 269660 KB Output is correct
35 Correct 296 ms 269560 KB Output is correct
36 Correct 282 ms 269560 KB Output is correct
37 Correct 281 ms 269588 KB Output is correct
38 Correct 283 ms 269692 KB Output is correct
39 Correct 291 ms 269688 KB Output is correct
40 Correct 284 ms 269612 KB Output is correct
41 Correct 288 ms 269688 KB Output is correct
42 Correct 278 ms 269688 KB Output is correct
43 Correct 296 ms 269660 KB Output is correct
44 Correct 290 ms 269688 KB Output is correct
45 Correct 296 ms 269688 KB Output is correct
46 Correct 295 ms 269688 KB Output is correct
47 Correct 295 ms 269788 KB Output is correct
48 Correct 293 ms 269732 KB Output is correct
49 Correct 300 ms 269780 KB Output is correct
50 Correct 333 ms 269764 KB Output is correct
51 Correct 332 ms 269688 KB Output is correct
52 Correct 303 ms 269700 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 279 ms 269596 KB Output is correct
2 Correct 283 ms 269688 KB Output is correct
3 Correct 280 ms 269728 KB Output is correct
4 Correct 289 ms 269688 KB Output is correct
5 Correct 286 ms 269688 KB Output is correct
6 Correct 295 ms 269688 KB Output is correct
7 Correct 284 ms 269668 KB Output is correct
8 Correct 289 ms 269728 KB Output is correct
9 Correct 287 ms 269620 KB Output is correct
10 Correct 278 ms 269688 KB Output is correct
11 Correct 294 ms 269688 KB Output is correct
12 Correct 294 ms 269688 KB Output is correct
13 Correct 279 ms 269688 KB Output is correct
14 Correct 280 ms 269560 KB Output is correct
15 Correct 282 ms 269688 KB Output is correct
16 Correct 284 ms 269592 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 292 ms 269664 KB Output is correct
19 Correct 284 ms 269692 KB Output is correct
20 Correct 283 ms 269624 KB Output is correct
21 Correct 278 ms 269688 KB Output is correct
22 Correct 281 ms 269688 KB Output is correct
23 Correct 294 ms 269688 KB Output is correct
24 Correct 284 ms 269560 KB Output is correct
25 Correct 290 ms 269688 KB Output is correct
26 Correct 280 ms 269724 KB Output is correct
27 Correct 281 ms 269724 KB Output is correct
28 Correct 288 ms 269688 KB Output is correct
29 Correct 299 ms 269660 KB Output is correct
30 Correct 297 ms 269612 KB Output is correct
31 Correct 298 ms 269680 KB Output is correct
32 Correct 280 ms 269700 KB Output is correct
33 Correct 286 ms 269668 KB Output is correct
34 Correct 301 ms 269660 KB Output is correct
35 Correct 296 ms 269560 KB Output is correct
36 Correct 282 ms 269560 KB Output is correct
37 Correct 284 ms 269588 KB Output is correct
38 Correct 289 ms 269708 KB Output is correct
39 Correct 297 ms 269628 KB Output is correct
40 Correct 289 ms 269688 KB Output is correct
41 Correct 279 ms 269560 KB Output is correct
42 Correct 283 ms 269732 KB Output is correct
43 Correct 280 ms 269748 KB Output is correct
44 Correct 281 ms 269688 KB Output is correct
45 Correct 284 ms 269560 KB Output is correct
46 Correct 288 ms 269688 KB Output is correct
47 Correct 283 ms 269688 KB Output is correct
48 Correct 297 ms 269816 KB Output is correct
49 Correct 297 ms 269688 KB Output is correct
50 Correct 284 ms 269688 KB Output is correct
51 Correct 296 ms 269688 KB Output is correct
52 Correct 310 ms 269688 KB Output is correct
53 Correct 306 ms 269816 KB Output is correct
54 Correct 310 ms 270072 KB Output is correct
55 Correct 313 ms 270072 KB Output is correct
56 Correct 350 ms 274028 KB Output is correct
57 Correct 351 ms 274396 KB Output is correct
58 Correct 352 ms 274456 KB Output is correct
59 Correct 360 ms 273996 KB Output is correct
60 Correct 431 ms 274280 KB Output is correct
61 Correct 348 ms 274116 KB Output is correct
62 Correct 361 ms 274408 KB Output is correct
63 Correct 350 ms 274272 KB Output is correct
64 Correct 358 ms 274280 KB Output is correct
65 Correct 362 ms 274408 KB Output is correct
66 Correct 347 ms 274280 KB Output is correct
67 Correct 403 ms 274024 KB Output is correct
68 Correct 351 ms 274376 KB Output is correct
69 Correct 283 ms 269688 KB Output is correct
70 Correct 283 ms 269680 KB Output is correct
71 Correct 350 ms 274196 KB Output is correct
72 Correct 350 ms 274408 KB Output is correct
73 Correct 346 ms 274280 KB Output is correct
74 Correct 291 ms 269560 KB Output is correct
75 Correct 281 ms 269704 KB Output is correct
76 Correct 281 ms 269764 KB Output is correct
77 Correct 281 ms 269688 KB Output is correct
78 Correct 379 ms 273368 KB Output is correct
79 Correct 359 ms 273640 KB Output is correct
80 Correct 387 ms 273544 KB Output is correct
81 Correct 345 ms 274256 KB Output is correct
82 Correct 391 ms 273384 KB Output is correct
83 Correct 364 ms 273380 KB Output is correct
84 Correct 281 ms 269588 KB Output is correct
85 Correct 283 ms 269692 KB Output is correct
86 Correct 291 ms 269688 KB Output is correct
87 Correct 284 ms 269612 KB Output is correct
88 Correct 288 ms 269688 KB Output is correct
89 Correct 278 ms 269688 KB Output is correct
90 Correct 296 ms 269660 KB Output is correct
91 Correct 290 ms 269688 KB Output is correct
92 Correct 296 ms 269688 KB Output is correct
93 Correct 295 ms 269688 KB Output is correct
94 Correct 295 ms 269788 KB Output is correct
95 Correct 293 ms 269732 KB Output is correct
96 Correct 300 ms 269780 KB Output is correct
97 Correct 333 ms 269764 KB Output is correct
98 Correct 332 ms 269688 KB Output is correct
99 Correct 303 ms 269700 KB Output is correct
100 Correct 303 ms 269664 KB Output is correct
101 Correct 304 ms 270032 KB Output is correct
102 Correct 307 ms 270072 KB Output is correct
103 Correct 413 ms 273512 KB Output is correct
104 Correct 419 ms 273384 KB Output is correct
105 Correct 413 ms 273512 KB Output is correct
106 Correct 396 ms 273512 KB Output is correct
107 Correct 360 ms 273484 KB Output is correct
108 Correct 370 ms 273328 KB Output is correct
109 Correct 374 ms 274408 KB Output is correct
110 Correct 345 ms 274280 KB Output is correct
111 Correct 403 ms 273340 KB Output is correct
112 Correct 408 ms 273388 KB Output is correct
113 Correct 364 ms 273384 KB Output is correct
114 Correct 414 ms 273512 KB Output is correct
115 Correct 401 ms 273512 KB Output is correct