oj.uz

Submission #169784

# Submission time Handle Problem Language Result Execution time Memory
169784 2019-12-22T20:53:04 Z arthur_nascimento Arranging Shoes (IOI19_shoes) C++14
100 / 100
 236 ms 140408 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define debug printf
#define ll long long
#define maxn 200200
queue<int> st[maxn];

int par[maxn];
int foi[maxn];
int T[maxn];

void upd(int idx,int val){
	idx++;
	while(idx < maxn){
		T[idx] += val;
		idx += (idx&-idx);
	}
}

int get(int idx){ //debug("get %d\n",idx);
	idx++;;
	int r = 0;
	while(idx){
		r += T[idx];
		idx -= (idx&-idx);
	}
	//debug("-> %d\n",r);
	return r;
}

long long count_swaps(std::vector<int> S){

	int n = S.size();
	
	ll ans = 0;

	for(int i=0;i<n;i++){
		//debug("i %d %d\n",i,S[i]);
		int sz = abs(S[i]);
		if(st[sz].size() > 0 && S[st[sz].front()] == - S[i]){
			if(S[i] < 0) ans++;
			par[st[sz].front()] = i;
			//debug("%d - %d\n",st[sz].front(),i);
			st[sz].pop();
		}
		else {
			st[sz].push(i);
			//debug("add\n");
		}
	}
	
	
	
	for(int i=0;i<n;i++) upd(i,1);
	
	for(int i=0;i<n;i++) if(!foi[i]){
		int u = par[i];
		ans += get(u-1) - get(i);
		upd(u,-1);
		foi[u] = 1;
	}
	
	return ans;

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 135144 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 135144 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct
3 Correct 134 ms 135160 KB Output is correct
4 Correct 136 ms 135160 KB Output is correct
5 Correct 136 ms 135144 KB Output is correct
6 Correct 138 ms 135060 KB Output is correct
7 Correct 136 ms 135056 KB Output is correct
8 Correct 136 ms 135160 KB Output is correct
9 Correct 139 ms 135160 KB Output is correct
10 Correct 139 ms 135160 KB Output is correct
11 Correct 135 ms 135160 KB Output is correct
12 Correct 135 ms 135160 KB Output is correct
13 Correct 140 ms 135160 KB Output is correct
14 Correct 134 ms 135160 KB Output is correct
15 Correct 135 ms 135160 KB Output is correct
16 Correct 136 ms 135160 KB Output is correct
17 Correct 140 ms 135160 KB Output is correct
18 Correct 136 ms 135176 KB Output is correct
19 Correct 138 ms 135192 KB Output is correct
20 Correct 135 ms 135160 KB Output is correct
21 Correct 137 ms 135052 KB Output is correct
22 Correct 136 ms 135132 KB Output is correct
23 Correct 135 ms 135160 KB Output is correct
24 Correct 146 ms 135196 KB Output is correct
25 Correct 159 ms 135164 KB Output is correct
26 Correct 155 ms 135164 KB Output is correct
27 Correct 144 ms 135072 KB Output is correct
28 Correct 136 ms 135104 KB Output is correct
29 Correct 142 ms 135208 KB Output is correct
30 Correct 135 ms 135160 KB Output is correct
31 Correct 138 ms 135160 KB Output is correct
32 Correct 138 ms 135160 KB Output is correct
33 Correct 137 ms 135160 KB Output is correct
34 Correct 136 ms 135280 KB Output is correct
35 Correct 136 ms 135160 KB Output is correct
36 Correct 137 ms 135160 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 135144 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct
3 Correct 175 ms 135144 KB Output is correct
4 Correct 134 ms 135160 KB Output is correct
5 Correct 136 ms 135084 KB Output is correct
6 Correct 136 ms 135164 KB Output is correct
7 Correct 134 ms 135160 KB Output is correct
8 Correct 137 ms 135132 KB Output is correct
9 Correct 137 ms 135160 KB Output is correct
10 Correct 137 ms 135160 KB Output is correct
11 Correct 139 ms 135132 KB Output is correct
12 Correct 136 ms 135160 KB Output is correct
13 Correct 136 ms 135176 KB Output is correct
14 Correct 138 ms 135160 KB Output is correct
15 Correct 138 ms 135152 KB Output is correct
16 Correct 136 ms 135076 KB Output is correct
17 Correct 135 ms 135160 KB Output is correct
18 Correct 150 ms 135160 KB Output is correct
19 Correct 150 ms 135160 KB Output is correct
20 Correct 142 ms 135500 KB Output is correct
21 Correct 159 ms 135544 KB Output is correct
22 Correct 175 ms 139000 KB Output is correct
23 Correct 180 ms 140280 KB Output is correct
24 Correct 186 ms 140280 KB Output is correct
25 Correct 182 ms 139856 KB Output is correct
26 Correct 184 ms 140408 KB Output is correct
27 Correct 182 ms 140152 KB Output is correct
28 Correct 180 ms 139896 KB Output is correct
29 Correct 204 ms 140024 KB Output is correct
30 Correct 179 ms 139964 KB Output is correct
31 Correct 177 ms 140280 KB Output is correct
32 Correct 183 ms 139896 KB Output is correct
33 Correct 182 ms 139768 KB Output is correct
34 Correct 184 ms 139896 KB Output is correct
35 Correct 135 ms 135160 KB Output is correct
36 Correct 137 ms 135160 KB Output is correct
37 Correct 181 ms 140024 KB Output is correct
38 Correct 180 ms 139896 KB Output is correct
39 Correct 180 ms 139896 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 141 ms 135160 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct
3 Correct 137 ms 135164 KB Output is correct
4 Correct 136 ms 135160 KB Output is correct
5 Correct 236 ms 138436 KB Output is correct
6 Correct 191 ms 139548 KB Output is correct
7 Correct 212 ms 139512 KB Output is correct
8 Correct 181 ms 139896 KB Output is correct
9 Correct 212 ms 139628 KB Output is correct
10 Correct 197 ms 139512 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 135144 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct
3 Correct 134 ms 135160 KB Output is correct
4 Correct 136 ms 135160 KB Output is correct
5 Correct 136 ms 135144 KB Output is correct
6 Correct 138 ms 135060 KB Output is correct
7 Correct 136 ms 135056 KB Output is correct
8 Correct 136 ms 135160 KB Output is correct
9 Correct 139 ms 135160 KB Output is correct
10 Correct 139 ms 135160 KB Output is correct
11 Correct 135 ms 135160 KB Output is correct
12 Correct 135 ms 135160 KB Output is correct
13 Correct 140 ms 135160 KB Output is correct
14 Correct 134 ms 135160 KB Output is correct
15 Correct 135 ms 135160 KB Output is correct
16 Correct 136 ms 135160 KB Output is correct
17 Correct 140 ms 135160 KB Output is correct
18 Correct 136 ms 135176 KB Output is correct
19 Correct 138 ms 135192 KB Output is correct
20 Correct 135 ms 135160 KB Output is correct
21 Correct 137 ms 135052 KB Output is correct
22 Correct 136 ms 135132 KB Output is correct
23 Correct 135 ms 135160 KB Output is correct
24 Correct 146 ms 135196 KB Output is correct
25 Correct 159 ms 135164 KB Output is correct
26 Correct 155 ms 135164 KB Output is correct
27 Correct 144 ms 135072 KB Output is correct
28 Correct 136 ms 135104 KB Output is correct
29 Correct 142 ms 135208 KB Output is correct
30 Correct 135 ms 135160 KB Output is correct
31 Correct 138 ms 135160 KB Output is correct
32 Correct 138 ms 135160 KB Output is correct
33 Correct 137 ms 135160 KB Output is correct
34 Correct 136 ms 135280 KB Output is correct
35 Correct 136 ms 135160 KB Output is correct
36 Correct 137 ms 135160 KB Output is correct
37 Correct 135 ms 135148 KB Output is correct
38 Correct 136 ms 135132 KB Output is correct
39 Correct 137 ms 135092 KB Output is correct
40 Correct 141 ms 135160 KB Output is correct
41 Correct 144 ms 135288 KB Output is correct
42 Correct 137 ms 135160 KB Output is correct
43 Correct 137 ms 135120 KB Output is correct
44 Correct 138 ms 135168 KB Output is correct
45 Correct 138 ms 135160 KB Output is correct
46 Correct 139 ms 135160 KB Output is correct
47 Correct 139 ms 135244 KB Output is correct
48 Correct 138 ms 135160 KB Output is correct
49 Correct 137 ms 135232 KB Output is correct
50 Correct 148 ms 135160 KB Output is correct
51 Correct 149 ms 135224 KB Output is correct
52 Correct 136 ms 135160 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 135144 KB Output is correct
2 Correct 137 ms 135160 KB Output is correct
3 Correct 134 ms 135160 KB Output is correct
4 Correct 136 ms 135160 KB Output is correct
5 Correct 136 ms 135144 KB Output is correct
6 Correct 138 ms 135060 KB Output is correct
7 Correct 136 ms 135056 KB Output is correct
8 Correct 136 ms 135160 KB Output is correct
9 Correct 139 ms 135160 KB Output is correct
10 Correct 139 ms 135160 KB Output is correct
11 Correct 135 ms 135160 KB Output is correct
12 Correct 135 ms 135160 KB Output is correct
13 Correct 140 ms 135160 KB Output is correct
14 Correct 134 ms 135160 KB Output is correct
15 Correct 135 ms 135160 KB Output is correct
16 Correct 136 ms 135160 KB Output is correct
17 Correct 140 ms 135160 KB Output is correct
18 Correct 136 ms 135176 KB Output is correct
19 Correct 138 ms 135192 KB Output is correct
20 Correct 135 ms 135160 KB Output is correct
21 Correct 137 ms 135052 KB Output is correct
22 Correct 136 ms 135132 KB Output is correct
23 Correct 135 ms 135160 KB Output is correct
24 Correct 146 ms 135196 KB Output is correct
25 Correct 159 ms 135164 KB Output is correct
26 Correct 155 ms 135164 KB Output is correct
27 Correct 144 ms 135072 KB Output is correct
28 Correct 136 ms 135104 KB Output is correct
29 Correct 142 ms 135208 KB Output is correct
30 Correct 135 ms 135160 KB Output is correct
31 Correct 138 ms 135160 KB Output is correct
32 Correct 138 ms 135160 KB Output is correct
33 Correct 137 ms 135160 KB Output is correct
34 Correct 136 ms 135280 KB Output is correct
35 Correct 136 ms 135160 KB Output is correct
36 Correct 137 ms 135160 KB Output is correct
37 Correct 175 ms 135144 KB Output is correct
38 Correct 134 ms 135160 KB Output is correct
39 Correct 136 ms 135084 KB Output is correct
40 Correct 136 ms 135164 KB Output is correct
41 Correct 134 ms 135160 KB Output is correct
42 Correct 137 ms 135132 KB Output is correct
43 Correct 137 ms 135160 KB Output is correct
44 Correct 137 ms 135160 KB Output is correct
45 Correct 139 ms 135132 KB Output is correct
46 Correct 136 ms 135160 KB Output is correct
47 Correct 136 ms 135176 KB Output is correct
48 Correct 138 ms 135160 KB Output is correct
49 Correct 138 ms 135152 KB Output is correct
50 Correct 136 ms 135076 KB Output is correct
51 Correct 135 ms 135160 KB Output is correct
52 Correct 150 ms 135160 KB Output is correct
53 Correct 150 ms 135160 KB Output is correct
54 Correct 142 ms 135500 KB Output is correct
55 Correct 159 ms 135544 KB Output is correct
56 Correct 175 ms 139000 KB Output is correct
57 Correct 180 ms 140280 KB Output is correct
58 Correct 186 ms 140280 KB Output is correct
59 Correct 182 ms 139856 KB Output is correct
60 Correct 184 ms 140408 KB Output is correct
61 Correct 182 ms 140152 KB Output is correct
62 Correct 180 ms 139896 KB Output is correct
63 Correct 204 ms 140024 KB Output is correct
64 Correct 179 ms 139964 KB Output is correct
65 Correct 177 ms 140280 KB Output is correct
66 Correct 183 ms 139896 KB Output is correct
67 Correct 182 ms 139768 KB Output is correct
68 Correct 184 ms 139896 KB Output is correct
69 Correct 135 ms 135160 KB Output is correct
70 Correct 137 ms 135160 KB Output is correct
71 Correct 181 ms 140024 KB Output is correct
72 Correct 180 ms 139896 KB Output is correct
73 Correct 180 ms 139896 KB Output is correct
74 Correct 141 ms 135160 KB Output is correct
75 Correct 137 ms 135160 KB Output is correct
76 Correct 137 ms 135164 KB Output is correct
77 Correct 136 ms 135160 KB Output is correct
78 Correct 236 ms 138436 KB Output is correct
79 Correct 191 ms 139548 KB Output is correct
80 Correct 212 ms 139512 KB Output is correct
81 Correct 181 ms 139896 KB Output is correct
82 Correct 212 ms 139628 KB Output is correct
83 Correct 197 ms 139512 KB Output is correct
84 Correct 135 ms 135148 KB Output is correct
85 Correct 136 ms 135132 KB Output is correct
86 Correct 137 ms 135092 KB Output is correct
87 Correct 141 ms 135160 KB Output is correct
88 Correct 144 ms 135288 KB Output is correct
89 Correct 137 ms 135160 KB Output is correct
90 Correct 137 ms 135120 KB Output is correct
91 Correct 138 ms 135168 KB Output is correct
92 Correct 138 ms 135160 KB Output is correct
93 Correct 139 ms 135160 KB Output is correct
94 Correct 139 ms 135244 KB Output is correct
95 Correct 138 ms 135160 KB Output is correct
96 Correct 137 ms 135232 KB Output is correct
97 Correct 148 ms 135160 KB Output is correct
98 Correct 149 ms 135224 KB Output is correct
99 Correct 136 ms 135160 KB Output is correct
100 Correct 137 ms 135152 KB Output is correct
101 Correct 143 ms 135680 KB Output is correct
102 Correct 145 ms 135672 KB Output is correct
103 Correct 210 ms 140280 KB Output is correct
104 Correct 192 ms 140304 KB Output is correct
105 Correct 201 ms 140380 KB Output is correct
106 Correct 212 ms 139576 KB Output is correct
107 Correct 190 ms 140264 KB Output is correct
108 Correct 185 ms 140280 KB Output is correct
109 Correct 181 ms 139896 KB Output is correct
110 Correct 181 ms 140016 KB Output is correct
111 Correct 212 ms 139488 KB Output is correct
112 Correct 205 ms 140280 KB Output is correct
113 Correct 193 ms 139556 KB Output is correct
114 Correct 211 ms 139512 KB Output is correct
115 Correct 222 ms 139640 KB Output is correct