#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll MOD = 1e9 + 7;
struct {
ll v, x, y;
double dv, dx, dy;
}st[1<<20];
void upd(int i, int s, int e, int t, int x, int y) {
auto &n=st[i];
if (s==e) {
if (x) n.x=x, n.dx=log(x);
if (y) n.y=y, n.dy=log(y);
n.v=n.x*n.y%MOD;
n.dv=n.dx+n.dy;
return ;
}
int m=(s+e)/2;
if (t<=m) upd(i*2, s, m, t, x, y);
else upd(i*2+1, m+1, e, t, x, y);
auto &l=st[i*2], &r=st[i*2+1];
n.x=l.x*r.x%MOD;
n.dx=l.dx+r.dx;
tie(n.dv, n.v)=
max(pair<double, ll>(l.dv, l.v),
pair<double, ll>(l.dx+r.dv, l.x*r.v%MOD));
}
int n;
int init(int n, int *x, int *y) {
::n=n;
for (int i=0; i<n; i++)
upd(1, 0, n-1, i, x[i], y[i]);
return st[1].v;
}
int updateX(int p, int v) {
upd(1, 0, n-1, p, v, 0);
return st[1].v;
}
int updateY(int p, int v) {
upd(1, 0, n-1, p, 0, v);
return st[1].v;
}
Compilation message
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:38:31: warning: declaration of 'n' shadows a global declaration [-Wshadow]
38 | int init(int n, int *x, int *y) {
| ^
horses.cpp:36:5: note: shadowed declaration is here
36 | int n;
| ^
horses.cpp:42:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
42 | return st[1].v;
| ~~~~~~^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:47:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
47 | return st[1].v;
| ~~~~~~^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:52:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
52 | return st[1].v;
| ~~~~~~^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
380 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
2 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
312 KB |
Output is correct |
23 |
Correct |
2 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
3 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
255 ms |
58348 KB |
Output is correct |
2 |
Correct |
346 ms |
67180 KB |
Output is correct |
3 |
Correct |
301 ms |
58220 KB |
Output is correct |
4 |
Correct |
336 ms |
62316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
2 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
238 ms |
57708 KB |
Output is correct |
34 |
Correct |
236 ms |
57588 KB |
Output is correct |
35 |
Correct |
262 ms |
64492 KB |
Output is correct |
36 |
Correct |
259 ms |
64364 KB |
Output is correct |
37 |
Correct |
201 ms |
55660 KB |
Output is correct |
38 |
Correct |
232 ms |
56556 KB |
Output is correct |
39 |
Correct |
198 ms |
55532 KB |
Output is correct |
40 |
Correct |
230 ms |
59500 KB |
Output is correct |
41 |
Correct |
201 ms |
55660 KB |
Output is correct |
42 |
Correct |
195 ms |
55660 KB |
Output is correct |
43 |
Correct |
238 ms |
59884 KB |
Output is correct |
44 |
Correct |
226 ms |
59884 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
253 ms |
58288 KB |
Output is correct |
34 |
Correct |
347 ms |
67052 KB |
Output is correct |
35 |
Correct |
296 ms |
58220 KB |
Output is correct |
36 |
Correct |
332 ms |
62316 KB |
Output is correct |
37 |
Correct |
232 ms |
57580 KB |
Output is correct |
38 |
Correct |
232 ms |
57580 KB |
Output is correct |
39 |
Correct |
259 ms |
64552 KB |
Output is correct |
40 |
Correct |
255 ms |
64364 KB |
Output is correct |
41 |
Correct |
204 ms |
55660 KB |
Output is correct |
42 |
Correct |
231 ms |
56556 KB |
Output is correct |
43 |
Correct |
197 ms |
55576 KB |
Output is correct |
44 |
Correct |
231 ms |
59628 KB |
Output is correct |
45 |
Correct |
199 ms |
55660 KB |
Output is correct |
46 |
Correct |
196 ms |
55660 KB |
Output is correct |
47 |
Correct |
222 ms |
59884 KB |
Output is correct |
48 |
Correct |
220 ms |
60012 KB |
Output is correct |
49 |
Correct |
316 ms |
59500 KB |
Output is correct |
50 |
Correct |
314 ms |
59628 KB |
Output is correct |
51 |
Correct |
304 ms |
66340 KB |
Output is correct |
52 |
Correct |
297 ms |
65900 KB |
Output is correct |
53 |
Correct |
287 ms |
57836 KB |
Output is correct |
54 |
Correct |
279 ms |
58604 KB |
Output is correct |
55 |
Correct |
236 ms |
56684 KB |
Output is correct |
56 |
Correct |
274 ms |
61420 KB |
Output is correct |
57 |
Correct |
239 ms |
57324 KB |
Output is correct |
58 |
Correct |
239 ms |
57836 KB |
Output is correct |
59 |
Correct |
220 ms |
59884 KB |
Output is correct |