#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MOD = 1e9 + 7;
const int HALF = 5e8 + 4;
struct seg {
int s, e, m, v, lazy;
seg *l, *r;
seg(int _s, int _e): s(_s), e(_e), m(_s+_e>>1), v(e-s+1), lazy(1), l(NULL) {}
void create() {
if(!l) l=new seg(s,m), r=new seg(m+1,e);
}
int val() {return v*lazy%MOD;}
void up(int x, int y, int u) {
if(s==x&&e==y) {lazy=lazy*u%MOD; return;}
create();
if(y<=m) l->up(x,y,u);
else if(x>m) r->up(x,y,u);
else l->up(x,m,u), r->up(m+1,y,u);
v=(l->val())+(r->val()); if(v>=MOD) v-=MOD;
}
void res() {
v=e-s+1;
lazy=1;
if(l) l->res(), r->res();
}
};
main() {
int n; cin >> n;
int a[n], b[n];
for(int i=0;i<n;i++) cin>>a[i];
for(int i=0;i<n;i++) cin>>b[i];
seg sl(1,1<<30), sr(1,1<<30);
int ansl[n], ansr[n];
int ans = 0;
for(int i=0;i<n;i++) {
if(a[i]>b[i]) swap(a[i],b[i]);
sl.up(1,a[i],0);
sl.up(a[i]+1,b[i],HALF);
ans-=sl.val();
}
sl.res();
for(int i=n;i--;) {
sl.up(1,a[i],0);
sl.up(a[i]+1,b[i],HALF);
ans-=sl.val();
}
for(int i=0;i<n;i++) ans-=(HALF*(a[i]+b[i]))%MOD;
ans += (n<<30) + n * sl.val();
ans %= MOD; if(ans<0) ans+=MOD;
for(int i=0;i<n;i++) {ans<<=1; if(ans>=MOD) ans-=MOD;}
cout << ans;
}
Compilation message
Main.cpp: In constructor 'seg::seg(long long int, long long int)':
Main.cpp:9:41: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
9 | seg(int _s, int _e): s(_s), e(_e), m(_s+_e>>1), v(e-s+1), lazy(1), l(NULL) {}
| ~~^~~
Main.cpp: At global scope:
Main.cpp:28:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
28 | main() {
| ^~~~
Main.cpp: In function 'int main()':
Main.cpp:34:6: warning: unused variable 'ansl' [-Wunused-variable]
34 | int ansl[n], ansr[n];
| ^~~~
Main.cpp:34:15: warning: unused variable 'ansr' [-Wunused-variable]
34 | int ansl[n], ansr[n];
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
360 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 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 |
604 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 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 |
# |
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 |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
432 KB |
Output is correct |
10 |
Correct |
0 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 |
436 KB |
Output is correct |
15 |
Correct |
0 ms |
436 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
432 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
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 |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
432 KB |
Output is correct |
10 |
Correct |
0 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 |
436 KB |
Output is correct |
15 |
Correct |
0 ms |
436 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
0 ms |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
432 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
344 KB |
Output is correct |
27 |
Correct |
24 ms |
604 KB |
Output is correct |
28 |
Correct |
17 ms |
604 KB |
Output is correct |
29 |
Correct |
11 ms |
628 KB |
Output is correct |
30 |
Correct |
11 ms |
604 KB |
Output is correct |
31 |
Correct |
12 ms |
604 KB |
Output is correct |
32 |
Correct |
14 ms |
676 KB |
Output is correct |
33 |
Correct |
13 ms |
604 KB |
Output is correct |
34 |
Correct |
13 ms |
632 KB |
Output is correct |
35 |
Correct |
14 ms |
604 KB |
Output is correct |
36 |
Correct |
13 ms |
600 KB |
Output is correct |
37 |
Correct |
11 ms |
604 KB |
Output is correct |
38 |
Correct |
10 ms |
628 KB |
Output is correct |
39 |
Correct |
13 ms |
604 KB |
Output is correct |
40 |
Correct |
13 ms |
636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
360 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 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 |
604 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 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 |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
432 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
436 KB |
Output is correct |
37 |
Correct |
0 ms |
436 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
344 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
432 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
344 KB |
Output is correct |
49 |
Correct |
24 ms |
604 KB |
Output is correct |
50 |
Correct |
17 ms |
604 KB |
Output is correct |
51 |
Correct |
11 ms |
628 KB |
Output is correct |
52 |
Correct |
11 ms |
604 KB |
Output is correct |
53 |
Correct |
12 ms |
604 KB |
Output is correct |
54 |
Correct |
14 ms |
676 KB |
Output is correct |
55 |
Correct |
13 ms |
604 KB |
Output is correct |
56 |
Correct |
13 ms |
632 KB |
Output is correct |
57 |
Correct |
14 ms |
604 KB |
Output is correct |
58 |
Correct |
13 ms |
600 KB |
Output is correct |
59 |
Correct |
11 ms |
604 KB |
Output is correct |
60 |
Correct |
10 ms |
628 KB |
Output is correct |
61 |
Correct |
13 ms |
604 KB |
Output is correct |
62 |
Correct |
13 ms |
636 KB |
Output is correct |
63 |
Correct |
62 ms |
37456 KB |
Output is correct |
64 |
Correct |
82 ms |
37500 KB |
Output is correct |
65 |
Correct |
18 ms |
788 KB |
Output is correct |
66 |
Correct |
14 ms |
796 KB |
Output is correct |
67 |
Correct |
17 ms |
604 KB |
Output is correct |
68 |
Correct |
13 ms |
640 KB |
Output is correct |
69 |
Correct |
31 ms |
11636 KB |
Output is correct |
70 |
Correct |
29 ms |
9564 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 |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
11 ms |
452 KB |
Output is correct |
11 |
Correct |
10 ms |
604 KB |
Output is correct |
12 |
Correct |
11 ms |
604 KB |
Output is correct |
13 |
Correct |
11 ms |
624 KB |
Output is correct |
14 |
Correct |
484 ms |
10276 KB |
Output is correct |
15 |
Correct |
580 ms |
10320 KB |
Output is correct |
16 |
Correct |
450 ms |
10064 KB |
Output is correct |
17 |
Correct |
489 ms |
10068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
436 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 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 |
360 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 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 |
604 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
344 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 |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
432 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
436 KB |
Output is correct |
37 |
Correct |
0 ms |
436 KB |
Output is correct |
38 |
Correct |
1 ms |
348 KB |
Output is correct |
39 |
Correct |
0 ms |
348 KB |
Output is correct |
40 |
Correct |
0 ms |
344 KB |
Output is correct |
41 |
Correct |
0 ms |
344 KB |
Output is correct |
42 |
Correct |
1 ms |
348 KB |
Output is correct |
43 |
Correct |
0 ms |
348 KB |
Output is correct |
44 |
Correct |
1 ms |
348 KB |
Output is correct |
45 |
Correct |
1 ms |
348 KB |
Output is correct |
46 |
Correct |
1 ms |
432 KB |
Output is correct |
47 |
Correct |
1 ms |
348 KB |
Output is correct |
48 |
Correct |
0 ms |
344 KB |
Output is correct |
49 |
Correct |
24 ms |
604 KB |
Output is correct |
50 |
Correct |
17 ms |
604 KB |
Output is correct |
51 |
Correct |
11 ms |
628 KB |
Output is correct |
52 |
Correct |
11 ms |
604 KB |
Output is correct |
53 |
Correct |
12 ms |
604 KB |
Output is correct |
54 |
Correct |
14 ms |
676 KB |
Output is correct |
55 |
Correct |
13 ms |
604 KB |
Output is correct |
56 |
Correct |
13 ms |
632 KB |
Output is correct |
57 |
Correct |
14 ms |
604 KB |
Output is correct |
58 |
Correct |
13 ms |
600 KB |
Output is correct |
59 |
Correct |
11 ms |
604 KB |
Output is correct |
60 |
Correct |
10 ms |
628 KB |
Output is correct |
61 |
Correct |
13 ms |
604 KB |
Output is correct |
62 |
Correct |
13 ms |
636 KB |
Output is correct |
63 |
Correct |
62 ms |
37456 KB |
Output is correct |
64 |
Correct |
82 ms |
37500 KB |
Output is correct |
65 |
Correct |
18 ms |
788 KB |
Output is correct |
66 |
Correct |
14 ms |
796 KB |
Output is correct |
67 |
Correct |
17 ms |
604 KB |
Output is correct |
68 |
Correct |
13 ms |
640 KB |
Output is correct |
69 |
Correct |
31 ms |
11636 KB |
Output is correct |
70 |
Correct |
29 ms |
9564 KB |
Output is correct |
71 |
Correct |
0 ms |
348 KB |
Output is correct |
72 |
Correct |
0 ms |
348 KB |
Output is correct |
73 |
Correct |
0 ms |
348 KB |
Output is correct |
74 |
Correct |
0 ms |
348 KB |
Output is correct |
75 |
Correct |
0 ms |
348 KB |
Output is correct |
76 |
Correct |
0 ms |
348 KB |
Output is correct |
77 |
Correct |
0 ms |
348 KB |
Output is correct |
78 |
Correct |
0 ms |
348 KB |
Output is correct |
79 |
Correct |
0 ms |
348 KB |
Output is correct |
80 |
Correct |
11 ms |
452 KB |
Output is correct |
81 |
Correct |
10 ms |
604 KB |
Output is correct |
82 |
Correct |
11 ms |
604 KB |
Output is correct |
83 |
Correct |
11 ms |
624 KB |
Output is correct |
84 |
Correct |
484 ms |
10276 KB |
Output is correct |
85 |
Correct |
580 ms |
10320 KB |
Output is correct |
86 |
Correct |
450 ms |
10064 KB |
Output is correct |
87 |
Correct |
489 ms |
10068 KB |
Output is correct |
88 |
Runtime error |
1853 ms |
1048580 KB |
Execution killed with signal 9 |
89 |
Halted |
0 ms |
0 KB |
- |