| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 213121 |
2020-03-25T03:24:41 Z |
KoalaMuch |
Horses (IOI15_horses) |
C++14 |
|
1201 ms |
50296 KB |
#include "horses.h"
//#include "grader.cpp"
#include<bits/stdc++.h>
using namespace std;
const long long mod = 1e9+7;
long long sm[2000005]; //return index of best value
pair< long long,long long > sm2[2000005]; //quick multiply
long long x[500005];
long long y[500005];
long long n;
void up2(long long l,long long r,long long idx,long long now)
{
if(l>idx||r<idx) return;
if(l==r) {sm2[now].first = x[l];return;}
long long mid = (l+r) >> 1;
up2(l,mid,idx,now<<1),up2(mid+1,r,idx,now<<1|1);
long long v = sm2[now<<1].first*sm2[now<<1|1].first;
sm2[now] = {v%mod,sm2[now<<1].second||sm2[now<<1|1].second||v>=mod};
}
pair< long long,long long > GetQMul(long long l,long long r,long long ll,long long rr,long long now)
{
if(l>rr||r<ll) return {1ll,0ll};
if(l>=ll&&r<=rr) return sm2[now];
long long mid = (l+r) >> 1;
pair< long long,long long > a = GetQMul(l,mid,ll,rr,now<<1),b = GetQMul(mid+1,r,ll,rr,now<<1|1);
long long v = a.first*b.first;
return {v%mod,a.second||b.second||v>=mod};
}
long long comp(long long i,long long j)
{
long long want = (y[i]+y[j]-1)/y[j];
pair< long long,long long > a = GetQMul(1,n,i+1,j,1);
if(a.second==1||a.first>=want) return j;
return i;
}
void up1(long long l,long long r,long long idx,long long now)
{
if(l>idx||r<idx) return ;
if(l==r) {sm[now] = l;return;}
long long mid = (l+r) >> 1;
up1(l,mid,idx,now<<1),up1(mid+1,r,idx,now<<1|1);
if(sm[now<<1]&&sm[now<<1|1])sm[now] = comp(sm[now<<1],sm[now<<1|1]);
}
int init(int N, int X[], int Y[]) {
n = N;
for(long long i=0;i<N;i++) x[i+1] = X[i],y[i+1] = Y[i];
for(long long i=1;i<=n;i++) up2(1,n,i,1);
for(long long i=1;i<=n;i++) up1(1,n,i,1);
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
}
int updateX(int pos, int val) {
x[pos+1] = val;
up2(1,n,pos+1,1);
up1(1,n,pos+1,1);
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
}
int updateY(int pos, int val) {
y[pos+1] = val;
up1(1,n,pos+1,1);
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
}
Compilation message
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:49:46: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:55:46: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:60:46: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
return GetQMul(1,n,1,sm[1],1).first*y[sm[1]]%mod;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
512 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
5 ms |
512 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
7 ms |
512 KB |
Output is correct |
| 24 |
Correct |
8 ms |
512 KB |
Output is correct |
| 25 |
Correct |
6 ms |
512 KB |
Output is correct |
| 26 |
Correct |
6 ms |
512 KB |
Output is correct |
| 27 |
Correct |
7 ms |
512 KB |
Output is correct |
| 28 |
Correct |
7 ms |
512 KB |
Output is correct |
| 29 |
Correct |
7 ms |
512 KB |
Output is correct |
| 30 |
Correct |
6 ms |
512 KB |
Output is correct |
| 31 |
Correct |
7 ms |
512 KB |
Output is correct |
| 32 |
Correct |
6 ms |
512 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
799 ms |
41592 KB |
Output is correct |
| 2 |
Correct |
814 ms |
50296 KB |
Output is correct |
| 3 |
Correct |
965 ms |
41464 KB |
Output is correct |
| 4 |
Correct |
875 ms |
45432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
6 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
7 ms |
512 KB |
Output is correct |
| 24 |
Correct |
7 ms |
512 KB |
Output is correct |
| 25 |
Correct |
6 ms |
512 KB |
Output is correct |
| 26 |
Correct |
6 ms |
512 KB |
Output is correct |
| 27 |
Correct |
7 ms |
512 KB |
Output is correct |
| 28 |
Correct |
7 ms |
512 KB |
Output is correct |
| 29 |
Correct |
8 ms |
512 KB |
Output is correct |
| 30 |
Correct |
6 ms |
384 KB |
Output is correct |
| 31 |
Correct |
7 ms |
512 KB |
Output is correct |
| 32 |
Correct |
6 ms |
512 KB |
Output is correct |
| 33 |
Correct |
469 ms |
40824 KB |
Output is correct |
| 34 |
Correct |
476 ms |
40824 KB |
Output is correct |
| 35 |
Correct |
465 ms |
47736 KB |
Output is correct |
| 36 |
Correct |
437 ms |
47736 KB |
Output is correct |
| 37 |
Correct |
421 ms |
38904 KB |
Output is correct |
| 38 |
Correct |
421 ms |
39800 KB |
Output is correct |
| 39 |
Correct |
382 ms |
38776 KB |
Output is correct |
| 40 |
Correct |
414 ms |
42744 KB |
Output is correct |
| 41 |
Correct |
373 ms |
38904 KB |
Output is correct |
| 42 |
Correct |
413 ms |
38904 KB |
Output is correct |
| 43 |
Correct |
399 ms |
43128 KB |
Output is correct |
| 44 |
Correct |
401 ms |
43128 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
384 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
384 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
512 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
512 KB |
Output is correct |
| 13 |
Correct |
5 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
5 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
5 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
7 ms |
512 KB |
Output is correct |
| 24 |
Correct |
8 ms |
512 KB |
Output is correct |
| 25 |
Correct |
6 ms |
512 KB |
Output is correct |
| 26 |
Correct |
6 ms |
512 KB |
Output is correct |
| 27 |
Correct |
6 ms |
512 KB |
Output is correct |
| 28 |
Correct |
6 ms |
512 KB |
Output is correct |
| 29 |
Correct |
6 ms |
512 KB |
Output is correct |
| 30 |
Correct |
6 ms |
512 KB |
Output is correct |
| 31 |
Correct |
7 ms |
512 KB |
Output is correct |
| 32 |
Correct |
7 ms |
512 KB |
Output is correct |
| 33 |
Correct |
826 ms |
41604 KB |
Output is correct |
| 34 |
Correct |
810 ms |
50296 KB |
Output is correct |
| 35 |
Correct |
944 ms |
41464 KB |
Output is correct |
| 36 |
Correct |
977 ms |
45432 KB |
Output is correct |
| 37 |
Correct |
493 ms |
40824 KB |
Output is correct |
| 38 |
Correct |
472 ms |
40824 KB |
Output is correct |
| 39 |
Correct |
441 ms |
47736 KB |
Output is correct |
| 40 |
Correct |
405 ms |
47608 KB |
Output is correct |
| 41 |
Correct |
405 ms |
38904 KB |
Output is correct |
| 42 |
Correct |
422 ms |
39800 KB |
Output is correct |
| 43 |
Correct |
373 ms |
38776 KB |
Output is correct |
| 44 |
Correct |
419 ms |
42744 KB |
Output is correct |
| 45 |
Correct |
384 ms |
38904 KB |
Output is correct |
| 46 |
Correct |
404 ms |
38904 KB |
Output is correct |
| 47 |
Correct |
370 ms |
43128 KB |
Output is correct |
| 48 |
Correct |
394 ms |
43128 KB |
Output is correct |
| 49 |
Correct |
1201 ms |
42744 KB |
Output is correct |
| 50 |
Correct |
1108 ms |
42744 KB |
Output is correct |
| 51 |
Correct |
813 ms |
49528 KB |
Output is correct |
| 52 |
Correct |
617 ms |
49144 KB |
Output is correct |
| 53 |
Correct |
999 ms |
41080 KB |
Output is correct |
| 54 |
Correct |
804 ms |
41720 KB |
Output is correct |
| 55 |
Correct |
594 ms |
39928 KB |
Output is correct |
| 56 |
Correct |
660 ms |
44536 KB |
Output is correct |
| 57 |
Correct |
729 ms |
40568 KB |
Output is correct |
| 58 |
Correct |
774 ms |
41080 KB |
Output is correct |
| 59 |
Correct |
358 ms |
43128 KB |
Output is correct |
