oj.uz

Submission #609267

# Submission time Handle Problem Language Result Execution time Memory
609267 2022-07-27T13:07:43 Z MrDeboo Horses (IOI15_horses) C++17
100 / 100
 823 ms 68976 KB 
#include "horses.h"
#include "bits/stdc++.h"
using namespace std;
long long multpl[2000000];
long long maxi[2000000];
long long X[500000];
set<int>st;
int n,N,L,R;
long long multp(int l=1,int r=N,int in=1){
	if(l>R||r<L)return 1;
	if(l>=L&&r<=R)return multpl[in];
	int mid=(l+r)/2;
	return (multp(l,mid,in*2)*multp(mid+1,r,in*2+1))%1000000007;
}
long long mx(int l=1,int r=N,int in=1){
	if(l>R||r<L)return 0;
	if(l>=L&&r<=R)return maxi[in];
	int mid=(l+r)/2;
	return max(mx(l,mid,in*2),mx(mid+1,r,in*2+1));
}

int slv(){
	deque<int>v;
	int g=31;
	auto it=st.end();
	while(it!=st.begin()&&g--){
		it--;
		v.push_back(*it);
	}
	sort(v.begin(),v.end());
	if(v.empty()||v[0]!=0)v.push_front(0);
	long long ans=0,in=0;
	long double LNGDB=0,f=1,a;
	for(int i=0;i<v.size();i++){
		f*=X[v[i]];
		L=v[i]+1;
		R=n;
		a=f*mx();
		if(a>LNGDB){
			LNGDB=a;
			in=v[i];
		}
	}
	L=1;
	R=in+1;
	ans=multp();
	L=in+1;
	R=n;
	ans*=mx();
	return ans%1000000007;
}

int init(int nn, int x[], int y[]) {
	n=nn;
	N=exp2(ceil(log2(n)));
	for(auto &i:multpl)i=1;
	for(int i=0;i<n;i++){
		if(x[i]!=1)st.insert(i);
		X[i]=x[i];
	}
	for(int i=0;i<n;i++)multpl[i+N]=x[i];
	for(int i=N-1;i;i--)multpl[i]=(multpl[i*2]*multpl[i*2+1])%1000000007;
	for(int i=0;i<n;i++)maxi[i+N]=y[i];
	for(int i=N-1;i;i--)maxi[i]=max(maxi[i*2],maxi[i*2+1]);
	return slv();
}


int updateX(int pos, int val) {
	if(X[pos]!=1)st.erase(pos);
	X[pos]=val;
	if(val!=1)st.insert(pos);
	int in=pos+N;
	multpl[in]=val;
	in/=2;
	while(in){
		multpl[in]=(multpl[in*2]*multpl[in*2+1])%1000000007;
		in/=2;
	}
	return slv();
}

int updateY(int pos, int val) {
	int in=pos+N;
	maxi[in]=val;
	in/=2;
	while(in){
		maxi[in]=max(maxi[in*2],maxi[in*2+1]);
		in/=2;
	}
	return slv();
}

Compilation message

horses.cpp: In function 'int slv()':
horses.cpp:34:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |  for(int i=0;i<v.size();i++){
      |              ~^~~~~~~~~
horses.cpp:45:6: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   45 |  R=in+1;
      |    ~~^~
horses.cpp:47:6: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   47 |  L=in+1;
      |    ~~^~
horses.cpp:50:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   50 |  return ans%1000000007;
      |         ~~~^~~~~~~~~~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:55:8: warning: conversion from 'double' to 'int' may change value [-Wfloat-conversion]
   55 |  N=exp2(ceil(log2(n)));
      |    ~~~~^~~~~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15924 KB Output is correct
2 Correct 8 ms 15932 KB Output is correct
3 Correct 8 ms 15928 KB Output is correct
4 Correct 8 ms 15928 KB Output is correct
5 Correct 6 ms 15928 KB Output is correct
6 Correct 7 ms 15952 KB Output is correct
7 Correct 8 ms 15924 KB Output is correct
8 Correct 7 ms 15912 KB Output is correct
9 Correct 7 ms 15912 KB Output is correct
10 Correct 6 ms 15956 KB Output is correct
11 Correct 6 ms 15956 KB Output is correct
12 Correct 7 ms 15956 KB Output is correct
13 Correct 8 ms 15956 KB Output is correct
14 Correct 8 ms 15956 KB Output is correct
15 Correct 7 ms 15956 KB Output is correct
16 Correct 7 ms 15956 KB Output is correct
17 Correct 7 ms 15956 KB Output is correct
18 Correct 7 ms 15956 KB Output is correct
19 Correct 8 ms 15936 KB Output is correct
20 Correct 8 ms 15956 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15956 KB Output is correct
2 Correct 7 ms 15956 KB Output is correct
3 Correct 6 ms 15956 KB Output is correct
4 Correct 7 ms 15956 KB Output is correct
5 Correct 7 ms 15936 KB Output is correct
6 Correct 9 ms 15956 KB Output is correct
7 Correct 7 ms 15956 KB Output is correct
8 Correct 10 ms 15952 KB Output is correct
9 Correct 8 ms 15956 KB Output is correct
10 Correct 7 ms 15956 KB Output is correct
11 Correct 9 ms 15956 KB Output is correct
12 Correct 7 ms 15976 KB Output is correct
13 Correct 7 ms 15956 KB Output is correct
14 Correct 7 ms 15956 KB Output is correct
15 Correct 8 ms 15920 KB Output is correct
16 Correct 8 ms 15932 KB Output is correct
17 Correct 7 ms 15932 KB Output is correct
18 Correct 7 ms 15956 KB Output is correct
19 Correct 9 ms 15920 KB Output is correct
20 Correct 7 ms 15956 KB Output is correct
21 Correct 7 ms 15956 KB Output is correct
22 Correct 10 ms 15956 KB Output is correct
23 Correct 13 ms 15936 KB Output is correct
24 Correct 10 ms 15956 KB Output is correct
25 Correct 11 ms 15984 KB Output is correct
26 Correct 11 ms 16084 KB Output is correct
27 Correct 10 ms 15956 KB Output is correct
28 Correct 11 ms 15968 KB Output is correct
29 Correct 8 ms 16004 KB Output is correct
30 Correct 11 ms 16068 KB Output is correct
31 Correct 9 ms 15956 KB Output is correct
32 Correct 12 ms 16028 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 648 ms 59996 KB Output is correct
2 Correct 739 ms 68888 KB Output is correct
3 Correct 680 ms 60032 KB Output is correct
4 Correct 800 ms 63984 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15956 KB Output is correct
2 Correct 7 ms 15956 KB Output is correct
3 Correct 9 ms 15956 KB Output is correct
4 Correct 8 ms 15928 KB Output is correct
5 Correct 9 ms 15956 KB Output is correct
6 Correct 7 ms 16084 KB Output is correct
7 Correct 8 ms 15920 KB Output is correct
8 Correct 7 ms 15920 KB Output is correct
9 Correct 7 ms 15956 KB Output is correct
10 Correct 7 ms 15920 KB Output is correct
11 Correct 7 ms 15956 KB Output is correct
12 Correct 7 ms 15904 KB Output is correct
13 Correct 7 ms 15956 KB Output is correct
14 Correct 7 ms 15924 KB Output is correct
15 Correct 15 ms 15956 KB Output is correct
16 Correct 8 ms 15956 KB Output is correct
17 Correct 8 ms 15956 KB Output is correct
18 Correct 8 ms 15932 KB Output is correct
19 Correct 7 ms 15964 KB Output is correct
20 Correct 7 ms 15904 KB Output is correct
21 Correct 8 ms 15956 KB Output is correct
22 Correct 8 ms 15900 KB Output is correct
23 Correct 11 ms 15992 KB Output is correct
24 Correct 10 ms 15956 KB Output is correct
25 Correct 10 ms 16048 KB Output is correct
26 Correct 11 ms 16084 KB Output is correct
27 Correct 11 ms 16084 KB Output is correct
28 Correct 12 ms 16052 KB Output is correct
29 Correct 8 ms 15996 KB Output is correct
30 Correct 12 ms 16080 KB Output is correct
31 Correct 10 ms 15956 KB Output is correct
32 Correct 10 ms 16024 KB Output is correct
33 Correct 105 ms 36084 KB Output is correct
34 Correct 82 ms 36008 KB Output is correct
35 Correct 235 ms 66268 KB Output is correct
36 Correct 214 ms 66296 KB Output is correct
37 Correct 95 ms 34124 KB Output is correct
38 Correct 157 ms 46864 KB Output is correct
39 Correct 46 ms 33788 KB Output is correct
40 Correct 216 ms 61364 KB Output is correct
41 Correct 56 ms 33960 KB Output is correct
42 Correct 69 ms 33940 KB Output is correct
43 Correct 171 ms 61576 KB Output is correct
44 Correct 182 ms 61688 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15956 KB Output is correct
2 Correct 7 ms 15928 KB Output is correct
3 Correct 7 ms 15956 KB Output is correct
4 Correct 7 ms 15860 KB Output is correct
5 Correct 8 ms 15872 KB Output is correct
6 Correct 9 ms 15956 KB Output is correct
7 Correct 7 ms 15932 KB Output is correct
8 Correct 8 ms 15924 KB Output is correct
9 Correct 7 ms 15956 KB Output is correct
10 Correct 8 ms 15928 KB Output is correct
11 Correct 7 ms 15924 KB Output is correct
12 Correct 7 ms 15956 KB Output is correct
13 Correct 6 ms 15932 KB Output is correct
14 Correct 7 ms 15928 KB Output is correct
15 Correct 7 ms 15888 KB Output is correct
16 Correct 7 ms 15932 KB Output is correct
17 Correct 7 ms 15956 KB Output is correct
18 Correct 7 ms 15956 KB Output is correct
19 Correct 8 ms 15940 KB Output is correct
20 Correct 7 ms 15924 KB Output is correct
21 Correct 7 ms 15956 KB Output is correct
22 Correct 9 ms 15956 KB Output is correct
23 Correct 15 ms 15940 KB Output is correct
24 Correct 11 ms 15940 KB Output is correct
25 Correct 11 ms 16084 KB Output is correct
26 Correct 10 ms 16068 KB Output is correct
27 Correct 10 ms 15956 KB Output is correct
28 Correct 11 ms 15956 KB Output is correct
29 Correct 7 ms 15936 KB Output is correct
30 Correct 11 ms 16072 KB Output is correct
31 Correct 10 ms 15956 KB Output is correct
32 Correct 10 ms 15956 KB Output is correct
33 Correct 645 ms 60200 KB Output is correct
34 Correct 743 ms 68976 KB Output is correct
35 Correct 693 ms 60076 KB Output is correct
36 Correct 767 ms 63900 KB Output is correct
37 Correct 109 ms 35892 KB Output is correct
38 Correct 87 ms 35916 KB Output is correct
39 Correct 224 ms 66188 KB Output is correct
40 Correct 231 ms 66180 KB Output is correct
41 Correct 92 ms 34064 KB Output is correct
42 Correct 172 ms 46788 KB Output is correct
43 Correct 37 ms 33868 KB Output is correct
44 Correct 241 ms 61232 KB Output is correct
45 Correct 73 ms 33896 KB Output is correct
46 Correct 72 ms 34008 KB Output is correct
47 Correct 178 ms 61680 KB Output is correct
48 Correct 184 ms 61660 KB Output is correct
49 Correct 700 ms 38964 KB Output is correct
50 Correct 568 ms 38896 KB Output is correct
51 Correct 674 ms 68092 KB Output is correct
52 Correct 667 ms 67572 KB Output is correct
53 Correct 693 ms 37328 KB Output is correct
54 Correct 712 ms 51004 KB Output is correct
55 Correct 144 ms 34892 KB Output is correct
56 Correct 823 ms 63124 KB Output is correct
57 Correct 391 ms 35632 KB Output is correct
58 Correct 483 ms 36176 KB Output is correct
59 Correct 157 ms 61756 KB Output is correct