#include<cstdio>
#include<cassert>
#include<cstring>
#include<map>
#include<set>
#include<time.h>
#include<algorithm>
#include<stack>
#include<queue>
#include<utility>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
using namespace std;
int main() {
int n;
cin >> n;
vector<int> s(n), e(n);
for(int i = 0; i < n; ++i)
cin >> s[i] >> e[i];
int neg = 0, pos = 0;
for(int i = 0; i < n; ++i) {
int si, ei;
cin >> si >> ei;
s[i] = max(si, s[i]);
e[i] = min(ei, e[i]);
if(e[i] - s[i] < 0) ++neg;
if(e[i] - s[i] > 0) ++pos;
}
if(neg)
cout << -1 << endl;
else
cout << pos << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1676 KB |
Output is correct |
2 |
Correct |
0 ms |
1676 KB |
Output is correct |
3 |
Correct |
0 ms |
1676 KB |
Output is correct |
4 |
Correct |
0 ms |
1676 KB |
Output is correct |
5 |
Correct |
0 ms |
1676 KB |
Output is correct |
6 |
Correct |
0 ms |
1676 KB |
Output is correct |
7 |
Correct |
0 ms |
1676 KB |
Output is correct |
8 |
Correct |
0 ms |
1676 KB |
Output is correct |
9 |
Correct |
0 ms |
1676 KB |
Output is correct |
10 |
Correct |
0 ms |
1676 KB |
Output is correct |
11 |
Correct |
0 ms |
1676 KB |
Output is correct |
12 |
Correct |
0 ms |
1676 KB |
Output is correct |
13 |
Correct |
0 ms |
1676 KB |
Output is correct |
14 |
Correct |
0 ms |
1676 KB |
Output is correct |
15 |
Correct |
0 ms |
1676 KB |
Output is correct |
16 |
Correct |
0 ms |
1676 KB |
Output is correct |
17 |
Correct |
0 ms |
1676 KB |
Output is correct |
18 |
Correct |
0 ms |
1676 KB |
Output is correct |
19 |
Correct |
0 ms |
1676 KB |
Output is correct |
20 |
Correct |
0 ms |
1676 KB |
Output is correct |
21 |
Correct |
0 ms |
1676 KB |
Output is correct |
22 |
Correct |
0 ms |
1676 KB |
Output is correct |
23 |
Correct |
0 ms |
1676 KB |
Output is correct |
24 |
Correct |
0 ms |
1676 KB |
Output is correct |
25 |
Correct |
0 ms |
1676 KB |
Output is correct |
26 |
Correct |
0 ms |
1676 KB |
Output is correct |
27 |
Correct |
0 ms |
1676 KB |
Output is correct |
28 |
Correct |
0 ms |
1676 KB |
Output is correct |
29 |
Correct |
0 ms |
1676 KB |
Output is correct |
30 |
Correct |
0 ms |
1676 KB |
Output is correct |
31 |
Correct |
0 ms |
1676 KB |
Output is correct |
32 |
Correct |
0 ms |
1676 KB |
Output is correct |
33 |
Correct |
0 ms |
1676 KB |
Output is correct |
34 |
Correct |
0 ms |
1676 KB |
Output is correct |
35 |
Correct |
0 ms |
1676 KB |
Output is correct |
36 |
Correct |
0 ms |
1676 KB |
Output is correct |
37 |
Correct |
0 ms |
1676 KB |
Output is correct |
38 |
Correct |
0 ms |
1676 KB |
Output is correct |
39 |
Correct |
0 ms |
1676 KB |
Output is correct |
40 |
Correct |
0 ms |
1676 KB |
Output is correct |
41 |
Correct |
0 ms |
1676 KB |
Output is correct |
42 |
Correct |
0 ms |
1676 KB |
Output is correct |
43 |
Correct |
0 ms |
1676 KB |
Output is correct |
44 |
Correct |
0 ms |
1676 KB |
Output is correct |
45 |
Correct |
0 ms |
1676 KB |
Output is correct |
46 |
Correct |
0 ms |
1676 KB |
Output is correct |
47 |
Correct |
0 ms |
1676 KB |
Output is correct |
48 |
Correct |
0 ms |
1676 KB |
Output is correct |
49 |
Correct |
0 ms |
1676 KB |
Output is correct |
50 |
Correct |
0 ms |
1676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
1676 KB |
Output is correct |
2 |
Correct |
0 ms |
1676 KB |
Output is correct |
3 |
Correct |
0 ms |
1676 KB |
Output is correct |
4 |
Correct |
0 ms |
1676 KB |
Output is correct |
5 |
Correct |
0 ms |
1676 KB |
Output is correct |
6 |
Correct |
0 ms |
1676 KB |
Output is correct |
7 |
Correct |
0 ms |
1676 KB |
Output is correct |
8 |
Correct |
0 ms |
1676 KB |
Output is correct |
9 |
Correct |
0 ms |
1676 KB |
Output is correct |
10 |
Correct |
0 ms |
1676 KB |
Output is correct |
11 |
Correct |
0 ms |
1676 KB |
Output is correct |
12 |
Correct |
0 ms |
1676 KB |
Output is correct |
13 |
Correct |
0 ms |
1676 KB |
Output is correct |
14 |
Correct |
0 ms |
1676 KB |
Output is correct |
15 |
Correct |
0 ms |
1676 KB |
Output is correct |
16 |
Correct |
0 ms |
1676 KB |
Output is correct |
17 |
Correct |
0 ms |
1676 KB |
Output is correct |
18 |
Correct |
0 ms |
1676 KB |
Output is correct |
19 |
Correct |
0 ms |
1676 KB |
Output is correct |
20 |
Correct |
0 ms |
1676 KB |
Output is correct |
21 |
Correct |
0 ms |
1676 KB |
Output is correct |
22 |
Correct |
0 ms |
1676 KB |
Output is correct |
23 |
Correct |
0 ms |
1676 KB |
Output is correct |
24 |
Correct |
0 ms |
1676 KB |
Output is correct |
25 |
Correct |
0 ms |
1676 KB |
Output is correct |
26 |
Correct |
0 ms |
1676 KB |
Output is correct |
27 |
Correct |
0 ms |
1676 KB |
Output is correct |
28 |
Correct |
0 ms |
1676 KB |
Output is correct |
29 |
Correct |
0 ms |
1676 KB |
Output is correct |
30 |
Correct |
0 ms |
1676 KB |
Output is correct |
31 |
Correct |
0 ms |
1676 KB |
Output is correct |
32 |
Correct |
0 ms |
1676 KB |
Output is correct |
33 |
Correct |
0 ms |
1676 KB |
Output is correct |
34 |
Correct |
0 ms |
1676 KB |
Output is correct |
35 |
Correct |
0 ms |
1676 KB |
Output is correct |
36 |
Correct |
0 ms |
1676 KB |
Output is correct |
37 |
Correct |
0 ms |
1676 KB |
Output is correct |
38 |
Correct |
0 ms |
1676 KB |
Output is correct |
39 |
Correct |
0 ms |
1676 KB |
Output is correct |
40 |
Correct |
0 ms |
1676 KB |
Output is correct |
41 |
Correct |
0 ms |
1676 KB |
Output is correct |
42 |
Correct |
0 ms |
1676 KB |
Output is correct |
43 |
Correct |
0 ms |
1676 KB |
Output is correct |
44 |
Correct |
0 ms |
1676 KB |
Output is correct |
45 |
Correct |
0 ms |
1676 KB |
Output is correct |
46 |
Correct |
0 ms |
1676 KB |
Output is correct |
47 |
Correct |
0 ms |
1676 KB |
Output is correct |
48 |
Correct |
0 ms |
1676 KB |
Output is correct |
49 |
Correct |
0 ms |
1676 KB |
Output is correct |
50 |
Correct |
0 ms |
1676 KB |
Output is correct |
51 |
Correct |
0 ms |
1676 KB |
Output is correct |
52 |
Correct |
0 ms |
1676 KB |
Output is correct |
53 |
Correct |
0 ms |
1676 KB |
Output is correct |
54 |
Correct |
0 ms |
1676 KB |
Output is correct |
55 |
Correct |
0 ms |
1676 KB |
Output is correct |
56 |
Correct |
0 ms |
1676 KB |
Output is correct |
57 |
Correct |
0 ms |
1676 KB |
Output is correct |
58 |
Correct |
0 ms |
1676 KB |
Output is correct |
59 |
Correct |
0 ms |
1676 KB |
Output is correct |
60 |
Correct |
0 ms |
1676 KB |
Output is correct |
61 |
Correct |
0 ms |
1676 KB |
Output is correct |
62 |
Correct |
0 ms |
1676 KB |
Output is correct |
63 |
Correct |
0 ms |
1676 KB |
Output is correct |
64 |
Correct |
0 ms |
1676 KB |
Output is correct |
65 |
Correct |
0 ms |
1676 KB |
Output is correct |
66 |
Correct |
0 ms |
1676 KB |
Output is correct |
67 |
Correct |
0 ms |
1676 KB |
Output is correct |
68 |
Correct |
0 ms |
1676 KB |
Output is correct |
69 |
Correct |
0 ms |
1676 KB |
Output is correct |
70 |
Correct |
0 ms |
1676 KB |
Output is correct |
71 |
Correct |
0 ms |
1676 KB |
Output is correct |
72 |
Correct |
0 ms |
1676 KB |
Output is correct |
73 |
Correct |
0 ms |
1676 KB |
Output is correct |
74 |
Correct |
0 ms |
1676 KB |
Output is correct |
75 |
Correct |
0 ms |
1676 KB |
Output is correct |
76 |
Correct |
0 ms |
1676 KB |
Output is correct |
77 |
Correct |
0 ms |
1676 KB |
Output is correct |
78 |
Correct |
0 ms |
1676 KB |
Output is correct |
79 |
Correct |
0 ms |
1676 KB |
Output is correct |
80 |
Correct |
0 ms |
1676 KB |
Output is correct |
81 |
Correct |
0 ms |
1676 KB |
Output is correct |
82 |
Correct |
0 ms |
1676 KB |
Output is correct |
83 |
Correct |
0 ms |
1676 KB |
Output is correct |
84 |
Correct |
0 ms |
1676 KB |
Output is correct |
85 |
Correct |
0 ms |
1676 KB |
Output is correct |
86 |
Correct |
0 ms |
1676 KB |
Output is correct |
87 |
Correct |
0 ms |
1676 KB |
Output is correct |
88 |
Correct |
0 ms |
1676 KB |
Output is correct |
89 |
Correct |
0 ms |
1676 KB |
Output is correct |
90 |
Correct |
0 ms |
1676 KB |
Output is correct |
91 |
Correct |
0 ms |
1676 KB |
Output is correct |
92 |
Correct |
0 ms |
1676 KB |
Output is correct |
93 |
Correct |
0 ms |
1676 KB |
Output is correct |
94 |
Correct |
0 ms |
1676 KB |
Output is correct |
95 |
Correct |
0 ms |
1676 KB |
Output is correct |
96 |
Correct |
0 ms |
1676 KB |
Output is correct |
97 |
Correct |
0 ms |
1676 KB |
Output is correct |
98 |
Correct |
0 ms |
1676 KB |
Output is correct |
99 |
Correct |
0 ms |
1676 KB |
Output is correct |
100 |
Correct |
0 ms |
1676 KB |
Output is correct |