#include "shoes.h"
#include <bits/stdc++.h>
#include <cstdio>
#include <cassert>
#define pb push_back
using namespace std;
int n;
vector<int> tike[100005][2];
int dokle[200005][2];
int seg[500005];
int lazy[500005];
bool bio[200005];
void init(int l, int r, int ind){
if(l == r){
seg[ind] = l;
return;
}
int mid = (l + r) / 2;
init(l, mid, ind * 2);
init(mid + 1, r, ind * 2 + 1);
seg[ind] = seg[ind * 2] + seg[ind * 2 + 1];
}
void propagate(int l, int r, int ind){
if(lazy[ind] != 0){
seg[ind] += (r - l + 1)*lazy[ind];
int mid = (l + r) / 2;
if(l < r){
lazy[ind * 2] += lazy[ind];
lazy[ind * 2 + 1] += lazy[ind];
}
lazy[ind] = 0;
}
}
int query(int l,int r, int ind, int gde){
propagate(l,r,ind);
if(l == r)return seg[ind];
int mid = (l + r)/2;
if(gde <= mid)return query(l,mid,ind * 2, gde);
else return query(mid + 1, r, ind * 2 + 1, gde);
}
void update(int l, int r, int ind, int levo, int desno, int val){
propagate(l,r,ind);
if(l >= levo && r <= desno){
lazy[ind]+=val;
propagate(l,r,ind);
return;
}
if(desno < l || r < levo)return;
int mid = (l + r) / 2;
update(l,mid,ind * 2,levo,desno,val);
update(mid + 1,r,ind * 2 + 1,levo,desno,val);
propagate(l,mid,ind*2);
propagate(mid+1,r,ind*2+1);
seg[ind] = seg[ind*2] + seg[ind*2+1];
propagate(l,r,ind);
}
long long count_swaps(std::vector<int> s) {
n = s.size()/2;
for(int i=0; i<2*n; i++){
if(s[i] < 0)tike[abs(s[i])][0].pb(i);
else tike[s[i]][1].pb(i);
}
int l = 0;
int shift = 0;
init(0,2*n-1,1);
long long res = 0;
for(int i=0; i<n; i++){
while(bio[l])++l;
int koji = abs(s[l]);
int ind;
if(s[l] < 0)ind = 1;
else ind = 0;
int gde = tike[koji][ind][dokle[koji][ind]];
bio[gde] = 1;
dokle[koji][ind]++;
dokle[koji][ind^1]++;
int pom = query(0,2*n-1,1,gde);
//cout << pom << " " << gde << endl;
update(0,2*n-1,1,0,gde,1);
//bio[l + 1] = 1;
res += (pom - 2*(i) - 1);
res += 1-ind;
//cout << l << " " << pom << " " << gde << endl;
//cout << l << " " << res << " " << ind<< endl;
l ++;
// cout << endl;
//cout << query(0,2*n-1,1,0) << endl;;
// return 0;
}
return res;
}
Compilation message
shoes.cpp: In function 'void propagate(int, int, int)':
shoes.cpp:28:13: warning: unused variable 'mid' [-Wunused-variable]
int mid = (l + r) / 2;
^~~
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:66:9: warning: unused variable 'shift' [-Wunused-variable]
int shift = 0;
^~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
4984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
4984 KB |
Output is correct |
3 |
Correct |
6 ms |
5112 KB |
Output is correct |
4 |
Correct |
6 ms |
4984 KB |
Output is correct |
5 |
Correct |
6 ms |
4984 KB |
Output is correct |
6 |
Correct |
6 ms |
4984 KB |
Output is correct |
7 |
Correct |
6 ms |
5112 KB |
Output is correct |
8 |
Correct |
6 ms |
5112 KB |
Output is correct |
9 |
Correct |
6 ms |
4984 KB |
Output is correct |
10 |
Correct |
6 ms |
4984 KB |
Output is correct |
11 |
Correct |
6 ms |
4984 KB |
Output is correct |
12 |
Correct |
6 ms |
5112 KB |
Output is correct |
13 |
Correct |
6 ms |
4984 KB |
Output is correct |
14 |
Correct |
6 ms |
5112 KB |
Output is correct |
15 |
Correct |
6 ms |
5112 KB |
Output is correct |
16 |
Correct |
6 ms |
4984 KB |
Output is correct |
17 |
Correct |
6 ms |
4984 KB |
Output is correct |
18 |
Correct |
8 ms |
4984 KB |
Output is correct |
19 |
Correct |
6 ms |
4984 KB |
Output is correct |
20 |
Correct |
6 ms |
4984 KB |
Output is correct |
21 |
Correct |
6 ms |
5112 KB |
Output is correct |
22 |
Correct |
6 ms |
5112 KB |
Output is correct |
23 |
Correct |
6 ms |
5112 KB |
Output is correct |
24 |
Correct |
6 ms |
5112 KB |
Output is correct |
25 |
Correct |
6 ms |
5112 KB |
Output is correct |
26 |
Correct |
6 ms |
5112 KB |
Output is correct |
27 |
Correct |
6 ms |
5112 KB |
Output is correct |
28 |
Correct |
7 ms |
4984 KB |
Output is correct |
29 |
Correct |
6 ms |
5112 KB |
Output is correct |
30 |
Correct |
7 ms |
4984 KB |
Output is correct |
31 |
Correct |
8 ms |
5112 KB |
Output is correct |
32 |
Correct |
6 ms |
4984 KB |
Output is correct |
33 |
Correct |
6 ms |
4984 KB |
Output is correct |
34 |
Correct |
6 ms |
4984 KB |
Output is correct |
35 |
Correct |
6 ms |
4984 KB |
Output is correct |
36 |
Correct |
6 ms |
4984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
4984 KB |
Output is correct |
3 |
Correct |
6 ms |
5112 KB |
Output is correct |
4 |
Correct |
6 ms |
5112 KB |
Output is correct |
5 |
Correct |
6 ms |
5112 KB |
Output is correct |
6 |
Correct |
6 ms |
5112 KB |
Output is correct |
7 |
Correct |
6 ms |
4984 KB |
Output is correct |
8 |
Correct |
6 ms |
4984 KB |
Output is correct |
9 |
Correct |
9 ms |
5084 KB |
Output is correct |
10 |
Correct |
6 ms |
5112 KB |
Output is correct |
11 |
Correct |
6 ms |
4980 KB |
Output is correct |
12 |
Correct |
6 ms |
4984 KB |
Output is correct |
13 |
Correct |
7 ms |
5112 KB |
Output is correct |
14 |
Correct |
6 ms |
4984 KB |
Output is correct |
15 |
Correct |
6 ms |
5112 KB |
Output is correct |
16 |
Correct |
7 ms |
5112 KB |
Output is correct |
17 |
Correct |
7 ms |
5112 KB |
Output is correct |
18 |
Correct |
7 ms |
5112 KB |
Output is correct |
19 |
Correct |
7 ms |
5112 KB |
Output is correct |
20 |
Correct |
14 ms |
5880 KB |
Output is correct |
21 |
Correct |
14 ms |
5880 KB |
Output is correct |
22 |
Incorrect |
101 ms |
11928 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
5112 KB |
Output is correct |
3 |
Correct |
6 ms |
5112 KB |
Output is correct |
4 |
Correct |
6 ms |
5112 KB |
Output is correct |
5 |
Runtime error |
133 ms |
33412 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
4984 KB |
Output is correct |
3 |
Correct |
6 ms |
5112 KB |
Output is correct |
4 |
Correct |
6 ms |
4984 KB |
Output is correct |
5 |
Correct |
6 ms |
4984 KB |
Output is correct |
6 |
Correct |
6 ms |
4984 KB |
Output is correct |
7 |
Correct |
6 ms |
5112 KB |
Output is correct |
8 |
Correct |
6 ms |
5112 KB |
Output is correct |
9 |
Correct |
6 ms |
4984 KB |
Output is correct |
10 |
Correct |
6 ms |
4984 KB |
Output is correct |
11 |
Correct |
6 ms |
4984 KB |
Output is correct |
12 |
Correct |
6 ms |
5112 KB |
Output is correct |
13 |
Correct |
6 ms |
4984 KB |
Output is correct |
14 |
Correct |
6 ms |
5112 KB |
Output is correct |
15 |
Correct |
6 ms |
5112 KB |
Output is correct |
16 |
Correct |
6 ms |
4984 KB |
Output is correct |
17 |
Correct |
6 ms |
4984 KB |
Output is correct |
18 |
Correct |
8 ms |
4984 KB |
Output is correct |
19 |
Correct |
6 ms |
4984 KB |
Output is correct |
20 |
Correct |
6 ms |
4984 KB |
Output is correct |
21 |
Correct |
6 ms |
5112 KB |
Output is correct |
22 |
Correct |
6 ms |
5112 KB |
Output is correct |
23 |
Correct |
6 ms |
5112 KB |
Output is correct |
24 |
Correct |
6 ms |
5112 KB |
Output is correct |
25 |
Correct |
6 ms |
5112 KB |
Output is correct |
26 |
Correct |
6 ms |
5112 KB |
Output is correct |
27 |
Correct |
6 ms |
5112 KB |
Output is correct |
28 |
Correct |
7 ms |
4984 KB |
Output is correct |
29 |
Correct |
6 ms |
5112 KB |
Output is correct |
30 |
Correct |
7 ms |
4984 KB |
Output is correct |
31 |
Correct |
8 ms |
5112 KB |
Output is correct |
32 |
Correct |
6 ms |
4984 KB |
Output is correct |
33 |
Correct |
6 ms |
4984 KB |
Output is correct |
34 |
Correct |
6 ms |
4984 KB |
Output is correct |
35 |
Correct |
6 ms |
4984 KB |
Output is correct |
36 |
Correct |
6 ms |
4984 KB |
Output is correct |
37 |
Correct |
6 ms |
4984 KB |
Output is correct |
38 |
Correct |
6 ms |
5112 KB |
Output is correct |
39 |
Correct |
7 ms |
5112 KB |
Output is correct |
40 |
Correct |
6 ms |
4984 KB |
Output is correct |
41 |
Correct |
8 ms |
5112 KB |
Output is correct |
42 |
Correct |
7 ms |
5112 KB |
Output is correct |
43 |
Correct |
7 ms |
5112 KB |
Output is correct |
44 |
Correct |
7 ms |
5112 KB |
Output is correct |
45 |
Correct |
7 ms |
5112 KB |
Output is correct |
46 |
Correct |
7 ms |
5112 KB |
Output is correct |
47 |
Correct |
7 ms |
5112 KB |
Output is correct |
48 |
Correct |
7 ms |
5112 KB |
Output is correct |
49 |
Correct |
8 ms |
5240 KB |
Output is correct |
50 |
Correct |
7 ms |
5112 KB |
Output is correct |
51 |
Correct |
7 ms |
5112 KB |
Output is correct |
52 |
Correct |
7 ms |
5112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
5112 KB |
Output is correct |
2 |
Correct |
6 ms |
4984 KB |
Output is correct |
3 |
Correct |
6 ms |
5112 KB |
Output is correct |
4 |
Correct |
6 ms |
4984 KB |
Output is correct |
5 |
Correct |
6 ms |
4984 KB |
Output is correct |
6 |
Correct |
6 ms |
4984 KB |
Output is correct |
7 |
Correct |
6 ms |
5112 KB |
Output is correct |
8 |
Correct |
6 ms |
5112 KB |
Output is correct |
9 |
Correct |
6 ms |
4984 KB |
Output is correct |
10 |
Correct |
6 ms |
4984 KB |
Output is correct |
11 |
Correct |
6 ms |
4984 KB |
Output is correct |
12 |
Correct |
6 ms |
5112 KB |
Output is correct |
13 |
Correct |
6 ms |
4984 KB |
Output is correct |
14 |
Correct |
6 ms |
5112 KB |
Output is correct |
15 |
Correct |
6 ms |
5112 KB |
Output is correct |
16 |
Correct |
6 ms |
4984 KB |
Output is correct |
17 |
Correct |
6 ms |
4984 KB |
Output is correct |
18 |
Correct |
8 ms |
4984 KB |
Output is correct |
19 |
Correct |
6 ms |
4984 KB |
Output is correct |
20 |
Correct |
6 ms |
4984 KB |
Output is correct |
21 |
Correct |
6 ms |
5112 KB |
Output is correct |
22 |
Correct |
6 ms |
5112 KB |
Output is correct |
23 |
Correct |
6 ms |
5112 KB |
Output is correct |
24 |
Correct |
6 ms |
5112 KB |
Output is correct |
25 |
Correct |
6 ms |
5112 KB |
Output is correct |
26 |
Correct |
6 ms |
5112 KB |
Output is correct |
27 |
Correct |
6 ms |
5112 KB |
Output is correct |
28 |
Correct |
7 ms |
4984 KB |
Output is correct |
29 |
Correct |
6 ms |
5112 KB |
Output is correct |
30 |
Correct |
7 ms |
4984 KB |
Output is correct |
31 |
Correct |
8 ms |
5112 KB |
Output is correct |
32 |
Correct |
6 ms |
4984 KB |
Output is correct |
33 |
Correct |
6 ms |
4984 KB |
Output is correct |
34 |
Correct |
6 ms |
4984 KB |
Output is correct |
35 |
Correct |
6 ms |
4984 KB |
Output is correct |
36 |
Correct |
6 ms |
4984 KB |
Output is correct |
37 |
Correct |
6 ms |
5112 KB |
Output is correct |
38 |
Correct |
6 ms |
5112 KB |
Output is correct |
39 |
Correct |
6 ms |
5112 KB |
Output is correct |
40 |
Correct |
6 ms |
5112 KB |
Output is correct |
41 |
Correct |
6 ms |
4984 KB |
Output is correct |
42 |
Correct |
6 ms |
4984 KB |
Output is correct |
43 |
Correct |
9 ms |
5084 KB |
Output is correct |
44 |
Correct |
6 ms |
5112 KB |
Output is correct |
45 |
Correct |
6 ms |
4980 KB |
Output is correct |
46 |
Correct |
6 ms |
4984 KB |
Output is correct |
47 |
Correct |
7 ms |
5112 KB |
Output is correct |
48 |
Correct |
6 ms |
4984 KB |
Output is correct |
49 |
Correct |
6 ms |
5112 KB |
Output is correct |
50 |
Correct |
7 ms |
5112 KB |
Output is correct |
51 |
Correct |
7 ms |
5112 KB |
Output is correct |
52 |
Correct |
7 ms |
5112 KB |
Output is correct |
53 |
Correct |
7 ms |
5112 KB |
Output is correct |
54 |
Correct |
14 ms |
5880 KB |
Output is correct |
55 |
Correct |
14 ms |
5880 KB |
Output is correct |
56 |
Incorrect |
101 ms |
11928 KB |
Output isn't correct |
57 |
Halted |
0 ms |
0 KB |
- |