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Submission #155365

# Submission time Handle Problem Language Result Execution time Memory
155365 2019-09-27T16:37:02 Z Sasuke0004 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 484 ms 296952 KB 
#include<bits/stdc++.h>
#define f first
#define s second
#define mp make_pair
#define ll long long
#define pb push_back
#define left 2*h,l,(l+r)/2,L,R
#define right 2*h+1,(l+r)/2+1,r,L,R
#define tree ll h,ll l,ll r,ll L,ll R
using namespace std;
ll sg[4000006],fx[4000006],n,ans;
vector<ll>v[4000006],v1[4000006],v2[4000006];
void upd(tree)
{
    if(l>r)return;
    if(l>R)return;
    if(L>r)return;
    if(l==r)
    {
        sg[h]=sg[h]^(1);
        return;
    }
    upd(left);
    upd(right);
    sg[h]=sg[2*h]+sg[2*h+1];
}
ll get(tree)
{
    if(l>r)return 0;
    if(l>R)return 0;
    if(L>r)return 0;
    if(l>=L && r<=R)return sg[h];
    else return (get(left)+get(right));
}
int64_t count_swaps(vector<int> x)
{
    n=x.size();
    for(ll i=0;i<n;i++)
    {
      if(x[i]<0)
      {
        v1[-x[i]].pb(i);
      }
      else
      {
        v2[x[i]].pb(i);
      }
    }
    for(ll i=1;i<=n;i++)
    {
        for(ll j=0;j<int(v1[i].size());j++)
        {
            if(v1[i][j]>v2[i][j]){ans++;swap(v1[i][j],v2[i][j]);}
            fx[v1[i][j]]=v2[i][j];
        }
    }

    for(ll i=0;i<n;i++)
    {
        upd(1,0,n-1,i,i);
    }
    for(ll i=0;i<n;i++)
    {
        ans+=get(1,0,n-1,i+1,fx[i]-1);
        upd(1,0,n-1,fx[i],fx[i]);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 282116 KB Output is correct
2 Correct 248 ms 282072 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 282116 KB Output is correct
2 Correct 248 ms 282072 KB Output is correct
3 Correct 248 ms 282104 KB Output is correct
4 Correct 281 ms 282144 KB Output is correct
5 Correct 249 ms 282104 KB Output is correct
6 Correct 247 ms 282236 KB Output is correct
7 Correct 246 ms 282104 KB Output is correct
8 Correct 246 ms 282104 KB Output is correct
9 Correct 247 ms 282104 KB Output is correct
10 Correct 265 ms 282188 KB Output is correct
11 Correct 274 ms 282312 KB Output is correct
12 Correct 279 ms 282144 KB Output is correct
13 Correct 262 ms 282172 KB Output is correct
14 Correct 270 ms 282152 KB Output is correct
15 Correct 279 ms 282088 KB Output is correct
16 Correct 245 ms 282104 KB Output is correct
17 Correct 250 ms 282076 KB Output is correct
18 Correct 255 ms 282080 KB Output is correct
19 Correct 288 ms 282104 KB Output is correct
20 Correct 251 ms 282104 KB Output is correct
21 Correct 248 ms 282232 KB Output is correct
22 Correct 247 ms 282104 KB Output is correct
23 Correct 246 ms 282124 KB Output is correct
24 Correct 245 ms 282104 KB Output is correct
25 Correct 253 ms 282104 KB Output is correct
26 Correct 248 ms 282104 KB Output is correct
27 Correct 265 ms 282168 KB Output is correct
28 Correct 245 ms 282104 KB Output is correct
29 Correct 248 ms 282116 KB Output is correct
30 Correct 281 ms 282288 KB Output is correct
31 Correct 247 ms 282076 KB Output is correct
32 Correct 248 ms 282232 KB Output is correct
33 Correct 248 ms 282232 KB Output is correct
34 Correct 246 ms 282232 KB Output is correct
35 Correct 245 ms 282232 KB Output is correct
36 Correct 245 ms 282176 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 282116 KB Output is correct
2 Correct 248 ms 282072 KB Output is correct
3 Correct 246 ms 282100 KB Output is correct
4 Correct 270 ms 282220 KB Output is correct
5 Correct 284 ms 282100 KB Output is correct
6 Correct 246 ms 282104 KB Output is correct
7 Correct 277 ms 282208 KB Output is correct
8 Correct 248 ms 282104 KB Output is correct
9 Correct 288 ms 282104 KB Output is correct
10 Correct 251 ms 282108 KB Output is correct
11 Correct 247 ms 282104 KB Output is correct
12 Correct 247 ms 282160 KB Output is correct
13 Correct 244 ms 282104 KB Output is correct
14 Correct 256 ms 282080 KB Output is correct
15 Correct 244 ms 282104 KB Output is correct
16 Correct 247 ms 282164 KB Output is correct
17 Correct 247 ms 282308 KB Output is correct
18 Correct 286 ms 282232 KB Output is correct
19 Correct 247 ms 282232 KB Output is correct
20 Correct 258 ms 283452 KB Output is correct
21 Correct 258 ms 283328 KB Output is correct
22 Correct 384 ms 292468 KB Output is correct
23 Correct 372 ms 292500 KB Output is correct
24 Correct 383 ms 292580 KB Output is correct
25 Correct 384 ms 291444 KB Output is correct
26 Correct 395 ms 292448 KB Output is correct
27 Correct 391 ms 292320 KB Output is correct
28 Correct 393 ms 291544 KB Output is correct
29 Correct 385 ms 291560 KB Output is correct
30 Correct 388 ms 291560 KB Output is correct
31 Correct 395 ms 292468 KB Output is correct
32 Correct 420 ms 291640 KB Output is correct
33 Correct 385 ms 291308 KB Output is correct
34 Correct 384 ms 291692 KB Output is correct
35 Correct 252 ms 282240 KB Output is correct
36 Correct 249 ms 282104 KB Output is correct
37 Correct 382 ms 291560 KB Output is correct
38 Correct 382 ms 291560 KB Output is correct
39 Correct 385 ms 291664 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 282064 KB Output is correct
2 Correct 246 ms 282104 KB Output is correct
3 Correct 285 ms 282056 KB Output is correct
4 Correct 267 ms 282204 KB Output is correct
5 Correct 426 ms 296056 KB Output is correct
6 Correct 409 ms 292524 KB Output is correct
7 Correct 427 ms 296112 KB Output is correct
8 Correct 392 ms 292044 KB Output is correct
9 Correct 428 ms 296056 KB Output is correct
10 Correct 450 ms 293564 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 282116 KB Output is correct
2 Correct 248 ms 282072 KB Output is correct
3 Correct 248 ms 282104 KB Output is correct
4 Correct 281 ms 282144 KB Output is correct
5 Correct 249 ms 282104 KB Output is correct
6 Correct 247 ms 282236 KB Output is correct
7 Correct 246 ms 282104 KB Output is correct
8 Correct 246 ms 282104 KB Output is correct
9 Correct 247 ms 282104 KB Output is correct
10 Correct 265 ms 282188 KB Output is correct
11 Correct 274 ms 282312 KB Output is correct
12 Correct 279 ms 282144 KB Output is correct
13 Correct 262 ms 282172 KB Output is correct
14 Correct 270 ms 282152 KB Output is correct
15 Correct 279 ms 282088 KB Output is correct
16 Correct 245 ms 282104 KB Output is correct
17 Correct 250 ms 282076 KB Output is correct
18 Correct 255 ms 282080 KB Output is correct
19 Correct 288 ms 282104 KB Output is correct
20 Correct 251 ms 282104 KB Output is correct
21 Correct 248 ms 282232 KB Output is correct
22 Correct 247 ms 282104 KB Output is correct
23 Correct 246 ms 282124 KB Output is correct
24 Correct 245 ms 282104 KB Output is correct
25 Correct 253 ms 282104 KB Output is correct
26 Correct 248 ms 282104 KB Output is correct
27 Correct 265 ms 282168 KB Output is correct
28 Correct 245 ms 282104 KB Output is correct
29 Correct 248 ms 282116 KB Output is correct
30 Correct 281 ms 282288 KB Output is correct
31 Correct 247 ms 282076 KB Output is correct
32 Correct 248 ms 282232 KB Output is correct
33 Correct 248 ms 282232 KB Output is correct
34 Correct 246 ms 282232 KB Output is correct
35 Correct 245 ms 282232 KB Output is correct
36 Correct 245 ms 282176 KB Output is correct
37 Correct 247 ms 282156 KB Output is correct
38 Correct 245 ms 282256 KB Output is correct
39 Correct 260 ms 282136 KB Output is correct
40 Correct 295 ms 282284 KB Output is correct
41 Correct 257 ms 282232 KB Output is correct
42 Correct 259 ms 282244 KB Output is correct
43 Correct 290 ms 282212 KB Output is correct
44 Correct 249 ms 282212 KB Output is correct
45 Correct 265 ms 282248 KB Output is correct
46 Correct 248 ms 282360 KB Output is correct
47 Correct 248 ms 282168 KB Output is correct
48 Correct 246 ms 282220 KB Output is correct
49 Correct 245 ms 282232 KB Output is correct
50 Correct 249 ms 282232 KB Output is correct
51 Correct 261 ms 282232 KB Output is correct
52 Correct 292 ms 282232 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 247 ms 282116 KB Output is correct
2 Correct 248 ms 282072 KB Output is correct
3 Correct 248 ms 282104 KB Output is correct
4 Correct 281 ms 282144 KB Output is correct
5 Correct 249 ms 282104 KB Output is correct
6 Correct 247 ms 282236 KB Output is correct
7 Correct 246 ms 282104 KB Output is correct
8 Correct 246 ms 282104 KB Output is correct
9 Correct 247 ms 282104 KB Output is correct
10 Correct 265 ms 282188 KB Output is correct
11 Correct 274 ms 282312 KB Output is correct
12 Correct 279 ms 282144 KB Output is correct
13 Correct 262 ms 282172 KB Output is correct
14 Correct 270 ms 282152 KB Output is correct
15 Correct 279 ms 282088 KB Output is correct
16 Correct 245 ms 282104 KB Output is correct
17 Correct 250 ms 282076 KB Output is correct
18 Correct 255 ms 282080 KB Output is correct
19 Correct 288 ms 282104 KB Output is correct
20 Correct 251 ms 282104 KB Output is correct
21 Correct 248 ms 282232 KB Output is correct
22 Correct 247 ms 282104 KB Output is correct
23 Correct 246 ms 282124 KB Output is correct
24 Correct 245 ms 282104 KB Output is correct
25 Correct 253 ms 282104 KB Output is correct
26 Correct 248 ms 282104 KB Output is correct
27 Correct 265 ms 282168 KB Output is correct
28 Correct 245 ms 282104 KB Output is correct
29 Correct 248 ms 282116 KB Output is correct
30 Correct 281 ms 282288 KB Output is correct
31 Correct 247 ms 282076 KB Output is correct
32 Correct 248 ms 282232 KB Output is correct
33 Correct 248 ms 282232 KB Output is correct
34 Correct 246 ms 282232 KB Output is correct
35 Correct 245 ms 282232 KB Output is correct
36 Correct 245 ms 282176 KB Output is correct
37 Correct 246 ms 282100 KB Output is correct
38 Correct 270 ms 282220 KB Output is correct
39 Correct 284 ms 282100 KB Output is correct
40 Correct 246 ms 282104 KB Output is correct
41 Correct 277 ms 282208 KB Output is correct
42 Correct 248 ms 282104 KB Output is correct
43 Correct 288 ms 282104 KB Output is correct
44 Correct 251 ms 282108 KB Output is correct
45 Correct 247 ms 282104 KB Output is correct
46 Correct 247 ms 282160 KB Output is correct
47 Correct 244 ms 282104 KB Output is correct
48 Correct 256 ms 282080 KB Output is correct
49 Correct 244 ms 282104 KB Output is correct
50 Correct 247 ms 282164 KB Output is correct
51 Correct 247 ms 282308 KB Output is correct
52 Correct 286 ms 282232 KB Output is correct
53 Correct 247 ms 282232 KB Output is correct
54 Correct 258 ms 283452 KB Output is correct
55 Correct 258 ms 283328 KB Output is correct
56 Correct 384 ms 292468 KB Output is correct
57 Correct 372 ms 292500 KB Output is correct
58 Correct 383 ms 292580 KB Output is correct
59 Correct 384 ms 291444 KB Output is correct
60 Correct 395 ms 292448 KB Output is correct
61 Correct 391 ms 292320 KB Output is correct
62 Correct 393 ms 291544 KB Output is correct
63 Correct 385 ms 291560 KB Output is correct
64 Correct 388 ms 291560 KB Output is correct
65 Correct 395 ms 292468 KB Output is correct
66 Correct 420 ms 291640 KB Output is correct
67 Correct 385 ms 291308 KB Output is correct
68 Correct 384 ms 291692 KB Output is correct
69 Correct 252 ms 282240 KB Output is correct
70 Correct 249 ms 282104 KB Output is correct
71 Correct 382 ms 291560 KB Output is correct
72 Correct 382 ms 291560 KB Output is correct
73 Correct 385 ms 291664 KB Output is correct
74 Correct 246 ms 282064 KB Output is correct
75 Correct 246 ms 282104 KB Output is correct
76 Correct 285 ms 282056 KB Output is correct
77 Correct 267 ms 282204 KB Output is correct
78 Correct 426 ms 296056 KB Output is correct
79 Correct 409 ms 292524 KB Output is correct
80 Correct 427 ms 296112 KB Output is correct
81 Correct 392 ms 292044 KB Output is correct
82 Correct 428 ms 296056 KB Output is correct
83 Correct 450 ms 293564 KB Output is correct
84 Correct 247 ms 282156 KB Output is correct
85 Correct 245 ms 282256 KB Output is correct
86 Correct 260 ms 282136 KB Output is correct
87 Correct 295 ms 282284 KB Output is correct
88 Correct 257 ms 282232 KB Output is correct
89 Correct 259 ms 282244 KB Output is correct
90 Correct 290 ms 282212 KB Output is correct
91 Correct 249 ms 282212 KB Output is correct
92 Correct 265 ms 282248 KB Output is correct
93 Correct 248 ms 282360 KB Output is correct
94 Correct 248 ms 282168 KB Output is correct
95 Correct 246 ms 282220 KB Output is correct
96 Correct 245 ms 282232 KB Output is correct
97 Correct 249 ms 282232 KB Output is correct
98 Correct 261 ms 282232 KB Output is correct
99 Correct 292 ms 282232 KB Output is correct
100 Correct 279 ms 282480 KB Output is correct
101 Correct 275 ms 283640 KB Output is correct
102 Correct 300 ms 283396 KB Output is correct
103 Correct 484 ms 296900 KB Output is correct
104 Correct 469 ms 296952 KB Output is correct
105 Correct 434 ms 294540 KB Output is correct
106 Correct 430 ms 296276 KB Output is correct
107 Correct 403 ms 293252 KB Output is correct
108 Correct 399 ms 293568 KB Output is correct
109 Correct 442 ms 292440 KB Output is correct
110 Correct 391 ms 291616 KB Output is correct
111 Correct 425 ms 295416 KB Output is correct
112 Correct 464 ms 295536 KB Output is correct
113 Correct 422 ms 292544 KB Output is correct
114 Correct 428 ms 296184 KB Output is correct
115 Correct 476 ms 296208 KB Output is correct