oj.uz

Submission #483674

# Submission time Handle Problem Language Result Execution time Memory
483674 2021-10-31T15:07:11 Z StrawHatWess Arranging Shoes (IOI19_shoes) C++17
100 / 100
 151 ms 139792 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std; 

typedef long long ll;
typedef vector<int>vi; 
typedef string str;

#define pb push_back
#define sz(v) (int)v.size()

#define FOR(i,a,b) for(int i=a; i<b; i++)
//-------------------------------------------------


const int MX=2e5+10;
vi t(MX,0);	

void upd(int i){ i++;
	for(;i<MX; i+=i&-i) t[i]++;
}

int get(int i){ i++;
	int ans=0;
	for(;i;i-=i&-i) ans+=t[i];
	return ans; 
}

ll count_swaps(vi s) {
	int N=sz(s)/2;
	deque<int> neg[N+1],pos[N+1],p(N*2);
	FOR(i,0,N*2){
		if(s[i]<0){	
			if(sz(pos[-s[i]])){
				p[i]=pos[-s[i]][0];
				p[p[i]]=i;
				pos[-s[i]].pop_front();
			}
			else neg[-s[i]].pb(i);
		}else{
			if(sz(neg[s[i]])){
				p[i]=neg[s[i]][0];
				p[p[i]]=i;
				neg[s[i]].pop_front();
			}
			else pos[s[i]].pb(i);
		}
	}

	vi done(N*2,0);
	ll ans=0;
	FOR(i,0,N*2) if(!done[i]){
		int j=p[i];
		ans+=(j-i-1)-(get(j)-get(i))+(s[i]>0);
		upd(j);

		done[j]=1;
	}
	return ans; 
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 972 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 1 ms 1100 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 1 ms 1100 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 1 ms 972 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 1084 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1092 KB Output is correct
15 Correct 1 ms 1084 KB Output is correct
16 Correct 1 ms 1228 KB Output is correct
17 Correct 1 ms 1484 KB Output is correct
18 Correct 2 ms 2380 KB Output is correct
19 Correct 2 ms 2380 KB Output is correct
20 Correct 11 ms 14940 KB Output is correct
21 Correct 11 ms 14920 KB Output is correct
22 Correct 117 ms 138940 KB Output is correct
23 Correct 107 ms 139332 KB Output is correct
24 Correct 111 ms 139324 KB Output is correct
25 Correct 107 ms 139728 KB Output is correct
26 Correct 115 ms 139308 KB Output is correct
27 Correct 108 ms 139332 KB Output is correct
28 Correct 109 ms 139716 KB Output is correct
29 Correct 107 ms 139716 KB Output is correct
30 Correct 113 ms 139688 KB Output is correct
31 Correct 112 ms 139284 KB Output is correct
32 Correct 105 ms 139772 KB Output is correct
33 Correct 108 ms 139772 KB Output is correct
34 Correct 107 ms 139716 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 1088 KB Output is correct
37 Correct 108 ms 139704 KB Output is correct
38 Correct 106 ms 139720 KB Output is correct
39 Correct 106 ms 139788 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 138 ms 138844 KB Output is correct
6 Correct 121 ms 139356 KB Output is correct
7 Correct 147 ms 139404 KB Output is correct
8 Correct 107 ms 139792 KB Output is correct
9 Correct 142 ms 139364 KB Output is correct
10 Correct 136 ms 139332 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 1 ms 1100 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 1 ms 1100 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 1 ms 972 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct
37 Correct 1 ms 972 KB Output is correct
38 Correct 1 ms 1080 KB Output is correct
39 Correct 1 ms 1228 KB Output is correct
40 Correct 1 ms 1484 KB Output is correct
41 Correct 2 ms 2380 KB Output is correct
42 Correct 2 ms 2380 KB Output is correct
43 Correct 2 ms 2380 KB Output is correct
44 Correct 1 ms 2380 KB Output is correct
45 Correct 2 ms 2380 KB Output is correct
46 Correct 1 ms 2380 KB Output is correct
47 Correct 2 ms 2380 KB Output is correct
48 Correct 1 ms 2380 KB Output is correct
49 Correct 2 ms 2380 KB Output is correct
50 Correct 2 ms 2380 KB Output is correct
51 Correct 2 ms 2380 KB Output is correct
52 Correct 2 ms 2380 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1096 KB Output is correct
5 Correct 2 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 1100 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 1100 KB Output is correct
24 Correct 1 ms 1100 KB Output is correct
25 Correct 1 ms 1100 KB Output is correct
26 Correct 1 ms 1100 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 1 ms 972 KB Output is correct
30 Correct 1 ms 1100 KB Output is correct
31 Correct 1 ms 972 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 972 KB Output is correct
34 Correct 1 ms 972 KB Output is correct
35 Correct 1 ms 972 KB Output is correct
36 Correct 1 ms 972 KB Output is correct
37 Correct 1 ms 972 KB Output is correct
38 Correct 1 ms 972 KB Output is correct
39 Correct 1 ms 972 KB Output is correct
40 Correct 1 ms 1084 KB Output is correct
41 Correct 1 ms 972 KB Output is correct
42 Correct 1 ms 972 KB Output is correct
43 Correct 1 ms 972 KB Output is correct
44 Correct 1 ms 972 KB Output is correct
45 Correct 1 ms 972 KB Output is correct
46 Correct 1 ms 972 KB Output is correct
47 Correct 1 ms 1100 KB Output is correct
48 Correct 1 ms 1092 KB Output is correct
49 Correct 1 ms 1084 KB Output is correct
50 Correct 1 ms 1228 KB Output is correct
51 Correct 1 ms 1484 KB Output is correct
52 Correct 2 ms 2380 KB Output is correct
53 Correct 2 ms 2380 KB Output is correct
54 Correct 11 ms 14940 KB Output is correct
55 Correct 11 ms 14920 KB Output is correct
56 Correct 117 ms 138940 KB Output is correct
57 Correct 107 ms 139332 KB Output is correct
58 Correct 111 ms 139324 KB Output is correct
59 Correct 107 ms 139728 KB Output is correct
60 Correct 115 ms 139308 KB Output is correct
61 Correct 108 ms 139332 KB Output is correct
62 Correct 109 ms 139716 KB Output is correct
63 Correct 107 ms 139716 KB Output is correct
64 Correct 113 ms 139688 KB Output is correct
65 Correct 112 ms 139284 KB Output is correct
66 Correct 105 ms 139772 KB Output is correct
67 Correct 108 ms 139772 KB Output is correct
68 Correct 107 ms 139716 KB Output is correct
69 Correct 1 ms 972 KB Output is correct
70 Correct 1 ms 1088 KB Output is correct
71 Correct 108 ms 139704 KB Output is correct
72 Correct 106 ms 139720 KB Output is correct
73 Correct 106 ms 139788 KB Output is correct
74 Correct 1 ms 972 KB Output is correct
75 Correct 1 ms 972 KB Output is correct
76 Correct 1 ms 972 KB Output is correct
77 Correct 1 ms 972 KB Output is correct
78 Correct 138 ms 138844 KB Output is correct
79 Correct 121 ms 139356 KB Output is correct
80 Correct 147 ms 139404 KB Output is correct
81 Correct 107 ms 139792 KB Output is correct
82 Correct 142 ms 139364 KB Output is correct
83 Correct 136 ms 139332 KB Output is correct
84 Correct 1 ms 972 KB Output is correct
85 Correct 1 ms 1080 KB Output is correct
86 Correct 1 ms 1228 KB Output is correct
87 Correct 1 ms 1484 KB Output is correct
88 Correct 2 ms 2380 KB Output is correct
89 Correct 2 ms 2380 KB Output is correct
90 Correct 2 ms 2380 KB Output is correct
91 Correct 1 ms 2380 KB Output is correct
92 Correct 2 ms 2380 KB Output is correct
93 Correct 1 ms 2380 KB Output is correct
94 Correct 2 ms 2380 KB Output is correct
95 Correct 1 ms 2380 KB Output is correct
96 Correct 2 ms 2380 KB Output is correct
97 Correct 2 ms 2380 KB Output is correct
98 Correct 2 ms 2380 KB Output is correct
99 Correct 2 ms 2380 KB Output is correct
100 Correct 1 ms 2380 KB Output is correct
101 Correct 12 ms 14928 KB Output is correct
102 Correct 11 ms 14924 KB Output is correct
103 Correct 151 ms 139368 KB Output is correct
104 Correct 133 ms 139264 KB Output is correct
105 Correct 132 ms 139332 KB Output is correct
106 Correct 134 ms 139292 KB Output is correct
107 Correct 121 ms 139376 KB Output is correct
108 Correct 121 ms 139264 KB Output is correct
109 Correct 110 ms 139680 KB Output is correct
110 Correct 105 ms 139724 KB Output is correct
111 Correct 134 ms 139372 KB Output is correct
112 Correct 142 ms 139364 KB Output is correct
113 Correct 122 ms 139332 KB Output is correct
114 Correct 136 ms 139300 KB Output is correct
115 Correct 135 ms 139308 KB Output is correct