oj.uz

Submission #289725

# Submission time Handle Problem Language Result Execution time Memory
289725 2020-09-02T23:49:58 Z AngelKnows Arranging Shoes (IOI19_shoes) C++14
100 / 100
 322 ms 275704 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,n) for (int i=1;i<=n;i++)
#define REP(i,a,b) for (int i=a;i<=b;i++)
 
#define pb push_back
#define fi first
#define se second
#define pi pair<int,int>
#define mp make_pair
 
typedef long long ll;

const int inf=0x3f3f3f3f;
const ll linf=1e18;
const int N=200000+1;
const double eps=1e-5;
const int mo=1e9+7;
int n;
int s[N];
ll c[N];
ll ans;
queue<int> l[N],r[N];
int lowbit(int x) {
	return x & -x;
}
void add(int x,int v) {
	while (x<=2*n) {
		c[x]+=v;
		x+=lowbit(x);
	}
}
ll sum(int x) {
	ll res=0;
	while (x>=1) {
		res+=c[x];
		x-=lowbit(x);
	}
	return res;
}
long long count_swaps(std::vector<int> s2) {
	n=int(s2.size());
	n/=2;
    FOR(i,2*n) {
    	s[i]=s2[i-1];
    	if (s[i]>0) r[s[i]].push(i);
    	else l[-s[i]].push(i);
	}
	FOR(i,2*n) add(i,1);
 	FOR(i,2*n) if (sum(i)-sum(i-1)) {
    	if (s[i]<0) {
    		ans+=sum(r[-s[i]].front())-sum(i)-1;
    		add(r[-s[i]].front(),-1);
    		l[-s[i]].pop();
    		r[-s[i]].pop();
		} else {
			ans+=sum(l[s[i]].front())-sum(i);
			add(l[s[i]].front(),-1);
    		l[s[i]].pop();
    		r[s[i]].pop();
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 269560 KB Output is correct
2 Correct 200 ms 269560 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 269560 KB Output is correct
2 Correct 200 ms 269560 KB Output is correct
3 Correct 204 ms 269688 KB Output is correct
4 Correct 202 ms 269560 KB Output is correct
5 Correct 202 ms 269560 KB Output is correct
6 Correct 205 ms 269688 KB Output is correct
7 Correct 204 ms 269560 KB Output is correct
8 Correct 205 ms 269560 KB Output is correct
9 Correct 203 ms 269688 KB Output is correct
10 Correct 205 ms 269560 KB Output is correct
11 Correct 203 ms 269560 KB Output is correct
12 Correct 203 ms 269752 KB Output is correct
13 Correct 201 ms 269560 KB Output is correct
14 Correct 210 ms 269548 KB Output is correct
15 Correct 206 ms 269560 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 207 ms 269560 KB Output is correct
18 Correct 210 ms 269560 KB Output is correct
19 Correct 202 ms 269560 KB Output is correct
20 Correct 200 ms 269560 KB Output is correct
21 Correct 203 ms 269564 KB Output is correct
22 Correct 211 ms 269560 KB Output is correct
23 Correct 200 ms 269560 KB Output is correct
24 Correct 221 ms 269536 KB Output is correct
25 Correct 208 ms 269560 KB Output is correct
26 Correct 218 ms 269648 KB Output is correct
27 Correct 226 ms 269560 KB Output is correct
28 Correct 216 ms 269560 KB Output is correct
29 Correct 213 ms 269576 KB Output is correct
30 Correct 204 ms 269672 KB Output is correct
31 Correct 203 ms 269644 KB Output is correct
32 Correct 222 ms 269560 KB Output is correct
33 Correct 217 ms 269584 KB Output is correct
34 Correct 221 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 221 ms 269616 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 269560 KB Output is correct
2 Correct 200 ms 269560 KB Output is correct
3 Correct 213 ms 269560 KB Output is correct
4 Correct 228 ms 269668 KB Output is correct
5 Correct 253 ms 269560 KB Output is correct
6 Correct 222 ms 269560 KB Output is correct
7 Correct 208 ms 269560 KB Output is correct
8 Correct 301 ms 269560 KB Output is correct
9 Correct 206 ms 269688 KB Output is correct
10 Correct 205 ms 269560 KB Output is correct
11 Correct 204 ms 269688 KB Output is correct
12 Correct 203 ms 269560 KB Output is correct
13 Correct 212 ms 269528 KB Output is correct
14 Correct 210 ms 269612 KB Output is correct
15 Correct 226 ms 269632 KB Output is correct
16 Correct 218 ms 269644 KB Output is correct
17 Correct 206 ms 269560 KB Output is correct
18 Correct 208 ms 269688 KB Output is correct
19 Correct 206 ms 269688 KB Output is correct
20 Correct 228 ms 270200 KB Output is correct
21 Correct 228 ms 270200 KB Output is correct
22 Correct 276 ms 275704 KB Output is correct
23 Correct 274 ms 275576 KB Output is correct
24 Correct 272 ms 275704 KB Output is correct
25 Correct 266 ms 275448 KB Output is correct
26 Correct 276 ms 275576 KB Output is correct
27 Correct 273 ms 275448 KB Output is correct
28 Correct 274 ms 275576 KB Output is correct
29 Correct 276 ms 275576 KB Output is correct
30 Correct 268 ms 275704 KB Output is correct
31 Correct 271 ms 275704 KB Output is correct
32 Correct 268 ms 275704 KB Output is correct
33 Correct 268 ms 275448 KB Output is correct
34 Correct 268 ms 275580 KB Output is correct
35 Correct 210 ms 269688 KB Output is correct
36 Correct 209 ms 269560 KB Output is correct
37 Correct 268 ms 275576 KB Output is correct
38 Correct 268 ms 275576 KB Output is correct
39 Correct 267 ms 275576 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 207 ms 269560 KB Output is correct
2 Correct 207 ms 269560 KB Output is correct
3 Correct 207 ms 269580 KB Output is correct
4 Correct 207 ms 269560 KB Output is correct
5 Correct 310 ms 274808 KB Output is correct
6 Correct 291 ms 274808 KB Output is correct
7 Correct 315 ms 274936 KB Output is correct
8 Correct 270 ms 275704 KB Output is correct
9 Correct 307 ms 274936 KB Output is correct
10 Correct 311 ms 274936 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 269560 KB Output is correct
2 Correct 200 ms 269560 KB Output is correct
3 Correct 204 ms 269688 KB Output is correct
4 Correct 202 ms 269560 KB Output is correct
5 Correct 202 ms 269560 KB Output is correct
6 Correct 205 ms 269688 KB Output is correct
7 Correct 204 ms 269560 KB Output is correct
8 Correct 205 ms 269560 KB Output is correct
9 Correct 203 ms 269688 KB Output is correct
10 Correct 205 ms 269560 KB Output is correct
11 Correct 203 ms 269560 KB Output is correct
12 Correct 203 ms 269752 KB Output is correct
13 Correct 201 ms 269560 KB Output is correct
14 Correct 210 ms 269548 KB Output is correct
15 Correct 206 ms 269560 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 207 ms 269560 KB Output is correct
18 Correct 210 ms 269560 KB Output is correct
19 Correct 202 ms 269560 KB Output is correct
20 Correct 200 ms 269560 KB Output is correct
21 Correct 203 ms 269564 KB Output is correct
22 Correct 211 ms 269560 KB Output is correct
23 Correct 200 ms 269560 KB Output is correct
24 Correct 221 ms 269536 KB Output is correct
25 Correct 208 ms 269560 KB Output is correct
26 Correct 218 ms 269648 KB Output is correct
27 Correct 226 ms 269560 KB Output is correct
28 Correct 216 ms 269560 KB Output is correct
29 Correct 213 ms 269576 KB Output is correct
30 Correct 204 ms 269672 KB Output is correct
31 Correct 203 ms 269644 KB Output is correct
32 Correct 222 ms 269560 KB Output is correct
33 Correct 217 ms 269584 KB Output is correct
34 Correct 221 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 221 ms 269616 KB Output is correct
37 Correct 208 ms 269544 KB Output is correct
38 Correct 208 ms 269560 KB Output is correct
39 Correct 211 ms 269560 KB Output is correct
40 Correct 206 ms 269668 KB Output is correct
41 Correct 211 ms 269688 KB Output is correct
42 Correct 210 ms 269688 KB Output is correct
43 Correct 209 ms 269692 KB Output is correct
44 Correct 212 ms 269688 KB Output is correct
45 Correct 207 ms 269688 KB Output is correct
46 Correct 208 ms 269688 KB Output is correct
47 Correct 209 ms 269688 KB Output is correct
48 Correct 208 ms 269688 KB Output is correct
49 Correct 210 ms 269688 KB Output is correct
50 Correct 211 ms 269688 KB Output is correct
51 Correct 207 ms 269688 KB Output is correct
52 Correct 210 ms 269596 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 198 ms 269560 KB Output is correct
2 Correct 200 ms 269560 KB Output is correct
3 Correct 204 ms 269688 KB Output is correct
4 Correct 202 ms 269560 KB Output is correct
5 Correct 202 ms 269560 KB Output is correct
6 Correct 205 ms 269688 KB Output is correct
7 Correct 204 ms 269560 KB Output is correct
8 Correct 205 ms 269560 KB Output is correct
9 Correct 203 ms 269688 KB Output is correct
10 Correct 205 ms 269560 KB Output is correct
11 Correct 203 ms 269560 KB Output is correct
12 Correct 203 ms 269752 KB Output is correct
13 Correct 201 ms 269560 KB Output is correct
14 Correct 210 ms 269548 KB Output is correct
15 Correct 206 ms 269560 KB Output is correct
16 Correct 208 ms 269560 KB Output is correct
17 Correct 207 ms 269560 KB Output is correct
18 Correct 210 ms 269560 KB Output is correct
19 Correct 202 ms 269560 KB Output is correct
20 Correct 200 ms 269560 KB Output is correct
21 Correct 203 ms 269564 KB Output is correct
22 Correct 211 ms 269560 KB Output is correct
23 Correct 200 ms 269560 KB Output is correct
24 Correct 221 ms 269536 KB Output is correct
25 Correct 208 ms 269560 KB Output is correct
26 Correct 218 ms 269648 KB Output is correct
27 Correct 226 ms 269560 KB Output is correct
28 Correct 216 ms 269560 KB Output is correct
29 Correct 213 ms 269576 KB Output is correct
30 Correct 204 ms 269672 KB Output is correct
31 Correct 203 ms 269644 KB Output is correct
32 Correct 222 ms 269560 KB Output is correct
33 Correct 217 ms 269584 KB Output is correct
34 Correct 221 ms 269560 KB Output is correct
35 Correct 214 ms 269560 KB Output is correct
36 Correct 221 ms 269616 KB Output is correct
37 Correct 213 ms 269560 KB Output is correct
38 Correct 228 ms 269668 KB Output is correct
39 Correct 253 ms 269560 KB Output is correct
40 Correct 222 ms 269560 KB Output is correct
41 Correct 208 ms 269560 KB Output is correct
42 Correct 301 ms 269560 KB Output is correct
43 Correct 206 ms 269688 KB Output is correct
44 Correct 205 ms 269560 KB Output is correct
45 Correct 204 ms 269688 KB Output is correct
46 Correct 203 ms 269560 KB Output is correct
47 Correct 212 ms 269528 KB Output is correct
48 Correct 210 ms 269612 KB Output is correct
49 Correct 226 ms 269632 KB Output is correct
50 Correct 218 ms 269644 KB Output is correct
51 Correct 206 ms 269560 KB Output is correct
52 Correct 208 ms 269688 KB Output is correct
53 Correct 206 ms 269688 KB Output is correct
54 Correct 228 ms 270200 KB Output is correct
55 Correct 228 ms 270200 KB Output is correct
56 Correct 276 ms 275704 KB Output is correct
57 Correct 274 ms 275576 KB Output is correct
58 Correct 272 ms 275704 KB Output is correct
59 Correct 266 ms 275448 KB Output is correct
60 Correct 276 ms 275576 KB Output is correct
61 Correct 273 ms 275448 KB Output is correct
62 Correct 274 ms 275576 KB Output is correct
63 Correct 276 ms 275576 KB Output is correct
64 Correct 268 ms 275704 KB Output is correct
65 Correct 271 ms 275704 KB Output is correct
66 Correct 268 ms 275704 KB Output is correct
67 Correct 268 ms 275448 KB Output is correct
68 Correct 268 ms 275580 KB Output is correct
69 Correct 210 ms 269688 KB Output is correct
70 Correct 209 ms 269560 KB Output is correct
71 Correct 268 ms 275576 KB Output is correct
72 Correct 268 ms 275576 KB Output is correct
73 Correct 267 ms 275576 KB Output is correct
74 Correct 207 ms 269560 KB Output is correct
75 Correct 207 ms 269560 KB Output is correct
76 Correct 207 ms 269580 KB Output is correct
77 Correct 207 ms 269560 KB Output is correct
78 Correct 310 ms 274808 KB Output is correct
79 Correct 291 ms 274808 KB Output is correct
80 Correct 315 ms 274936 KB Output is correct
81 Correct 270 ms 275704 KB Output is correct
82 Correct 307 ms 274936 KB Output is correct
83 Correct 311 ms 274936 KB Output is correct
84 Correct 208 ms 269544 KB Output is correct
85 Correct 208 ms 269560 KB Output is correct
86 Correct 211 ms 269560 KB Output is correct
87 Correct 206 ms 269668 KB Output is correct
88 Correct 211 ms 269688 KB Output is correct
89 Correct 210 ms 269688 KB Output is correct
90 Correct 209 ms 269692 KB Output is correct
91 Correct 212 ms 269688 KB Output is correct
92 Correct 207 ms 269688 KB Output is correct
93 Correct 208 ms 269688 KB Output is correct
94 Correct 209 ms 269688 KB Output is correct
95 Correct 208 ms 269688 KB Output is correct
96 Correct 210 ms 269688 KB Output is correct
97 Correct 211 ms 269688 KB Output is correct
98 Correct 207 ms 269688 KB Output is correct
99 Correct 210 ms 269596 KB Output is correct
100 Correct 212 ms 269688 KB Output is correct
101 Correct 213 ms 270072 KB Output is correct
102 Correct 210 ms 270072 KB Output is correct
103 Correct 317 ms 274752 KB Output is correct
104 Correct 316 ms 274784 KB Output is correct
105 Correct 318 ms 274808 KB Output is correct
106 Correct 310 ms 274808 KB Output is correct
107 Correct 293 ms 274808 KB Output is correct
108 Correct 296 ms 274808 KB Output is correct
109 Correct 273 ms 275576 KB Output is correct
110 Correct 274 ms 275576 KB Output is correct
111 Correct 312 ms 274808 KB Output is correct
112 Correct 322 ms 274808 KB Output is correct
113 Correct 286 ms 274936 KB Output is correct
114 Correct 306 ms 274812 KB Output is correct
115 Correct 311 ms 274808 KB Output is correct