#include "horses.h"
#include <cmath>
#include <vector>
using namespace std;
int const MAXN=5e5+10,mod=1e9+7;
vector<int>x,y;
struct node
{
long long val,maxval;
long double cnt,maxcnt;
};
node seg[4*MAXN]={};
void update(int i,int r,int st,int en)
{
if (st==en)
{
seg[i].val=seg[i].maxval=x[r];
seg[i].maxval*=y[r];
seg[i].maxval%=mod;
seg[i].cnt=log2(x[r]);
seg[i].maxcnt=seg[i].cnt+log2(y[r]);
return ;
}
int mid=(st+en)/2;
if (r<=mid)
update(i*2,r,st,mid);
else
update(i*2+1,r,mid+1,en);
int lc=i*2,rc=i*2+1;
seg[i].val=(seg[lc].val*seg[rc].val)%mod;
seg[i].cnt=seg[lc].cnt+seg[rc].cnt;
if (seg[lc].maxcnt<seg[lc].cnt+seg[rc].maxcnt)
{
seg[i].maxcnt=seg[lc].cnt+seg[rc].maxcnt;
seg[i].maxval=(seg[lc].val*seg[rc].maxval)%mod;
}
else
{
seg[i].maxcnt=seg[lc].maxcnt;
seg[i].maxval=seg[lc].maxval;
}
}
int init(int N, int X[], int Y[])
{
for (int i=0;i<N;i++)
{
x.push_back(X[i]);
y.push_back(Y[i]);
}
for (int i=0;i<N;i++)
update(1,i,0,N-1);
return seg[1].maxval;
}
int updateX(int pos, int val)
{
x[pos]=val;
update(1,pos,0,x.size()-1);
return seg[1].maxval;
}
int updateY(int pos, int val)
{
y[pos]=val;
update(1,pos,0,x.size()-1);
return seg[1].maxval;
}
Compilation message
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:52:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
52 | return seg[1].maxval;
| ~~~~~~~^~~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:57:25: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
57 | update(1,pos,0,x.size()-1);
| ~~~~~~~~^~
horses.cpp:58:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
58 | return seg[1].maxval;
| ~~~~~~~^~~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:63:25: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
63 | update(1,pos,0,x.size()-1);
| ~~~~~~~~^~
horses.cpp:64:16: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
64 | return seg[1].maxval;
| ~~~~~~~^~~~~~
| # |
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 |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 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 |
344 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 |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
432 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 |
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 |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 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 |
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 |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
436 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
0 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
180 ms |
63660 KB |
Output is correct |
| 2 |
Correct |
238 ms |
72340 KB |
Output is correct |
| 3 |
Correct |
205 ms |
63524 KB |
Output is correct |
| 4 |
Correct |
222 ms |
67252 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
428 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
344 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 |
1 ms |
344 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 |
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 |
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 |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
440 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
348 KB |
Output is correct |
| 30 |
Correct |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
180 ms |
62692 KB |
Output is correct |
| 34 |
Correct |
181 ms |
62764 KB |
Output is correct |
| 35 |
Correct |
191 ms |
69576 KB |
Output is correct |
| 36 |
Correct |
177 ms |
69680 KB |
Output is correct |
| 37 |
Correct |
144 ms |
60856 KB |
Output is correct |
| 38 |
Correct |
159 ms |
61880 KB |
Output is correct |
| 39 |
Correct |
163 ms |
60856 KB |
Output is correct |
| 40 |
Correct |
159 ms |
64668 KB |
Output is correct |
| 41 |
Correct |
138 ms |
60940 KB |
Output is correct |
| 42 |
Correct |
140 ms |
60816 KB |
Output is correct |
| 43 |
Correct |
176 ms |
65152 KB |
Output is correct |
| 44 |
Correct |
156 ms |
65116 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
344 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 |
432 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 |
604 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
428 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
| 31 |
Correct |
1 ms |
348 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
201 ms |
63588 KB |
Output is correct |
| 34 |
Correct |
227 ms |
72376 KB |
Output is correct |
| 35 |
Correct |
212 ms |
63588 KB |
Output is correct |
| 36 |
Correct |
215 ms |
67252 KB |
Output is correct |
| 37 |
Correct |
170 ms |
62692 KB |
Output is correct |
| 38 |
Correct |
168 ms |
62788 KB |
Output is correct |
| 39 |
Correct |
176 ms |
69816 KB |
Output is correct |
| 40 |
Correct |
172 ms |
69556 KB |
Output is correct |
| 41 |
Correct |
141 ms |
60856 KB |
Output is correct |
| 42 |
Correct |
177 ms |
61880 KB |
Output is correct |
| 43 |
Correct |
139 ms |
60772 KB |
Output is correct |
| 44 |
Correct |
159 ms |
64620 KB |
Output is correct |
| 45 |
Correct |
138 ms |
60856 KB |
Output is correct |
| 46 |
Correct |
143 ms |
60984 KB |
Output is correct |
| 47 |
Correct |
169 ms |
65208 KB |
Output is correct |
| 48 |
Correct |
159 ms |
65152 KB |
Output is correct |
| 49 |
Correct |
220 ms |
64736 KB |
Output is correct |
| 50 |
Correct |
218 ms |
64696 KB |
Output is correct |
| 51 |
Correct |
210 ms |
71608 KB |
Output is correct |
| 52 |
Correct |
204 ms |
71012 KB |
Output is correct |
| 53 |
Correct |
200 ms |
63240 KB |
Output is correct |
| 54 |
Correct |
190 ms |
63668 KB |
Output is correct |
| 55 |
Correct |
169 ms |
61880 KB |
Output is correct |
| 56 |
Correct |
190 ms |
66464 KB |
Output is correct |
| 57 |
Correct |
172 ms |
62392 KB |
Output is correct |
| 58 |
Correct |
165 ms |
62900 KB |
Output is correct |
| 59 |
Correct |
171 ms |
65204 KB |
Output is correct |
