#include <bits/stdc++.h>
using namespace std;
set <int> fata , spate;
int main ()
{
ios :: sync_with_stdio(false);
cin.tie(NULL); cout.tie(NULL);
int total , numar_operatii;
cin >> total >> numar_operatii;
for (int indice = 1 ; indice <= total ; indice++)
{ fata.insert(indice); }
int minim = 0;
while (numar_operatii--)
{
int valoare;
cin >> valoare;
if (valoare < 0)
{
set <int> :: iterator locatie = spate.find(-valoare);
if (locatie != spate.end())
{
fata.insert(-valoare);
spate.erase(locatie);
}
}
else
{
set <int> :: iterator locatie = fata.find(valoare);
if (locatie != fata.end())
{
spate.insert(valoare);
fata.erase(locatie);
}
else
{
minim++;
for (auto candidat : spate) {
if (candidat != valoare)
{ fata.insert(candidat); }
}
spate.clear();
spate.insert(valoare);
}
}
}
cout << minim;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
12 ms |
860 KB |
Output is correct |
5 |
Correct |
13 ms |
860 KB |
Output is correct |
6 |
Correct |
12 ms |
824 KB |
Output is correct |
7 |
Correct |
13 ms |
948 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
604 KB |
Output is correct |
10 |
Correct |
18 ms |
820 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
12 ms |
720 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
13 ms |
724 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
12 ms |
860 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
11 ms |
600 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
13 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
124 ms |
20308 KB |
Output is correct |
6 |
Correct |
32 ms |
9808 KB |
Output is correct |
7 |
Correct |
14 ms |
604 KB |
Output is correct |
8 |
Correct |
15 ms |
848 KB |
Output is correct |
9 |
Correct |
25 ms |
820 KB |
Output is correct |
10 |
Correct |
35 ms |
860 KB |
Output is correct |
11 |
Correct |
45 ms |
1108 KB |
Output is correct |
12 |
Correct |
59 ms |
1360 KB |
Output is correct |
13 |
Correct |
107 ms |
3920 KB |
Output is correct |
14 |
Correct |
171 ms |
11036 KB |
Output is correct |
15 |
Correct |
179 ms |
11092 KB |
Output is correct |
16 |
Correct |
173 ms |
11092 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
74 ms |
10960 KB |
Output is correct |
20 |
Correct |
0 ms |
344 KB |
Output is correct |
21 |
Correct |
102 ms |
10980 KB |
Output is correct |
22 |
Correct |
1 ms |
344 KB |
Output is correct |
23 |
Correct |
35 ms |
9812 KB |
Output is correct |
24 |
Correct |
0 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
388 KB |
Output is correct |
17 |
Correct |
0 ms |
452 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
12 ms |
860 KB |
Output is correct |
5 |
Correct |
13 ms |
860 KB |
Output is correct |
6 |
Correct |
12 ms |
824 KB |
Output is correct |
7 |
Correct |
13 ms |
948 KB |
Output is correct |
8 |
Correct |
0 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
604 KB |
Output is correct |
10 |
Correct |
18 ms |
820 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
12 ms |
720 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
13 ms |
724 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
12 ms |
860 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
11 ms |
600 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
344 KB |
Output is correct |
22 |
Correct |
13 ms |
604 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
124 ms |
20308 KB |
Output is correct |
26 |
Correct |
32 ms |
9808 KB |
Output is correct |
27 |
Correct |
14 ms |
604 KB |
Output is correct |
28 |
Correct |
15 ms |
848 KB |
Output is correct |
29 |
Correct |
25 ms |
820 KB |
Output is correct |
30 |
Correct |
35 ms |
860 KB |
Output is correct |
31 |
Correct |
45 ms |
1108 KB |
Output is correct |
32 |
Correct |
59 ms |
1360 KB |
Output is correct |
33 |
Correct |
107 ms |
3920 KB |
Output is correct |
34 |
Correct |
171 ms |
11036 KB |
Output is correct |
35 |
Correct |
179 ms |
11092 KB |
Output is correct |
36 |
Correct |
173 ms |
11092 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
74 ms |
10960 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
102 ms |
10980 KB |
Output is correct |
42 |
Correct |
1 ms |
344 KB |
Output is correct |
43 |
Correct |
35 ms |
9812 KB |
Output is correct |
44 |
Correct |
0 ms |
344 KB |
Output is correct |
45 |
Correct |
0 ms |
348 KB |
Output is correct |
46 |
Correct |
0 ms |
344 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
1 ms |
344 KB |
Output is correct |
49 |
Correct |
0 ms |
344 KB |
Output is correct |
50 |
Correct |
0 ms |
348 KB |
Output is correct |
51 |
Correct |
0 ms |
348 KB |
Output is correct |
52 |
Correct |
0 ms |
348 KB |
Output is correct |
53 |
Correct |
1 ms |
348 KB |
Output is correct |
54 |
Correct |
1 ms |
348 KB |
Output is correct |
55 |
Correct |
0 ms |
348 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
0 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
388 KB |
Output is correct |
61 |
Correct |
0 ms |
452 KB |
Output is correct |
62 |
Correct |
0 ms |
348 KB |
Output is correct |
63 |
Correct |
0 ms |
348 KB |
Output is correct |
64 |
Correct |
0 ms |
348 KB |
Output is correct |
65 |
Correct |
0 ms |
348 KB |
Output is correct |
66 |
Correct |
0 ms |
348 KB |
Output is correct |
67 |
Correct |
0 ms |
348 KB |
Output is correct |
68 |
Correct |
0 ms |
348 KB |
Output is correct |
69 |
Correct |
0 ms |
348 KB |
Output is correct |
70 |
Correct |
0 ms |
348 KB |
Output is correct |
71 |
Correct |
0 ms |
348 KB |
Output is correct |
72 |
Correct |
11 ms |
820 KB |
Output is correct |
73 |
Correct |
11 ms |
860 KB |
Output is correct |
74 |
Correct |
12 ms |
860 KB |
Output is correct |
75 |
Correct |
19 ms |
860 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
348 KB |
Output is correct |
78 |
Correct |
11 ms |
820 KB |
Output is correct |
79 |
Correct |
0 ms |
348 KB |
Output is correct |
80 |
Correct |
11 ms |
856 KB |
Output is correct |
81 |
Correct |
0 ms |
344 KB |
Output is correct |
82 |
Correct |
12 ms |
944 KB |
Output is correct |
83 |
Correct |
0 ms |
348 KB |
Output is correct |
84 |
Correct |
12 ms |
860 KB |
Output is correct |
85 |
Correct |
0 ms |
456 KB |
Output is correct |
86 |
Correct |
12 ms |
844 KB |
Output is correct |
87 |
Correct |
0 ms |
348 KB |
Output is correct |
88 |
Correct |
104 ms |
20288 KB |
Output is correct |
89 |
Correct |
32 ms |
9816 KB |
Output is correct |
90 |
Correct |
13 ms |
820 KB |
Output is correct |
91 |
Correct |
16 ms |
852 KB |
Output is correct |
92 |
Correct |
25 ms |
692 KB |
Output is correct |
93 |
Correct |
35 ms |
856 KB |
Output is correct |
94 |
Correct |
43 ms |
1116 KB |
Output is correct |
95 |
Correct |
59 ms |
1512 KB |
Output is correct |
96 |
Correct |
112 ms |
3924 KB |
Output is correct |
97 |
Correct |
184 ms |
11160 KB |
Output is correct |
98 |
Correct |
191 ms |
11092 KB |
Output is correct |
99 |
Correct |
171 ms |
10948 KB |
Output is correct |
100 |
Correct |
1 ms |
600 KB |
Output is correct |
101 |
Correct |
0 ms |
348 KB |
Output is correct |
102 |
Correct |
82 ms |
10916 KB |
Output is correct |
103 |
Correct |
0 ms |
344 KB |
Output is correct |
104 |
Correct |
100 ms |
10940 KB |
Output is correct |
105 |
Correct |
0 ms |
348 KB |
Output is correct |
106 |
Correct |
0 ms |
348 KB |
Output is correct |
107 |
Correct |
0 ms |
348 KB |
Output is correct |
108 |
Correct |
0 ms |
348 KB |
Output is correct |
109 |
Correct |
1 ms |
348 KB |
Output is correct |
110 |
Correct |
0 ms |
348 KB |
Output is correct |
111 |
Correct |
0 ms |
348 KB |
Output is correct |
112 |
Correct |
117 ms |
11092 KB |
Output is correct |
113 |
Correct |
88 ms |
3916 KB |
Output is correct |
114 |
Correct |
71 ms |
11108 KB |
Output is correct |
115 |
Correct |
41 ms |
4364 KB |
Output is correct |
116 |
Correct |
104 ms |
11092 KB |
Output is correct |
117 |
Correct |
34 ms |
9812 KB |
Output is correct |
118 |
Correct |
14 ms |
860 KB |
Output is correct |
119 |
Correct |
15 ms |
824 KB |
Output is correct |
120 |
Correct |
20 ms |
860 KB |
Output is correct |
121 |
Correct |
32 ms |
860 KB |
Output is correct |
122 |
Correct |
31 ms |
1080 KB |
Output is correct |
123 |
Correct |
39 ms |
1628 KB |
Output is correct |
124 |
Correct |
71 ms |
3844 KB |
Output is correct |
125 |
Correct |
120 ms |
11092 KB |
Output is correct |
126 |
Correct |
119 ms |
11088 KB |
Output is correct |
127 |
Correct |
124 ms |
11096 KB |
Output is correct |
128 |
Correct |
65 ms |
11080 KB |
Output is correct |
129 |
Correct |
47 ms |
11088 KB |
Output is correct |
130 |
Correct |
0 ms |
344 KB |
Output is correct |
131 |
Correct |
0 ms |
344 KB |
Output is correct |
132 |
Correct |
0 ms |
348 KB |
Output is correct |
133 |
Correct |
32 ms |
9816 KB |
Output is correct |
134 |
Correct |
0 ms |
348 KB |
Output is correct |