oj.uz

답안 #56237

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
56237 2018-07-10T13:05:27 Z WA_TLE 말 (IOI15_horses) C++14
100 / 100
 258 ms 280604 KB 
#include<deque>
#include<queue>
#include<vector>
#include<algorithm>
#include<iostream>
#include<set>
#include<cmath>
#include<tuple>
#include<string>
#include<chrono>
#include<functional>
#include<iterator>
#include<random>
#include<unordered_set>
#include<array>
#include<map>
#include<iomanip>
#include<assert.h>
#include<bitset>
#include<stack>
#include<horses.h>
using namespace std;
typedef long long int llint;
typedef long double lldo;
#define mp make_pair
#define mt make_tuple
#define pub push_back
#define puf push_front
#define pob pop_back
#define pof pop_front
#define fir first
#define sec second
#define res resize
#define ins insert
#define era erase
/*
cout<<setprecision(20)
cin.tie(0);
ios::sync_with_stdio(false);
*/
const llint mod=1e9+7;
const llint big=2.19e15+1;
const long double pai=3.141592653589793238462643383279502884197;
const long double eps=1e-15;
template <class T,class U>void mineq(T& a,U b){if(a>b){a=b;}}
template <class T,class U>void maxeq(T& a,U b){if(a<b){a=b;}}
llint gcd(llint a,llint b){if(a%b==0){return b;}else return gcd(b,a%b);}
//llint lcm(llint a,llint b){return a/gcd(a,b)*b;}
template<class T> void SO(T& ve){sort(ve.begin(),ve.end());}
template<class T> void REV(T& ve){reverse(ve.begin(),ve.end());}
template<class T>llint LBI(vector<T>&ar,T in){return lower_bound(ar.begin(),ar.end(),in)-ar.begin();}
template<class T>llint UBI(vector<T>&ar,T in){return upper_bound(ar.begin(),ar.end(),in)-ar.begin();}
//hourses
//セグ木
//doubleでも足りないのでlogを累積和する
//すると、「セグメントのx」、「セグメントのy」、があるので更新する

int n;
static double segx[1048576];
static double segy[1048576];
static llint modx[1048576];
static llint mody[1048576];
vector<llint>mtoy;
int init(int N,int X[],int Y[]){
	n=N;
	mtoy.res(N);
	int i;
	for(i=0;i<n;i++){mtoy[i]=Y[i];}
	for(i=(1<<19);i<(1<<19)+N;i++){
		segx[i]=log(X[i-(1<<19)]);
		segy[i]=log(X[i-(1<<19)])+log(Y[i-(1<<19)]);
		modx[i]=X[i-(1<<19)];
		mody[i]=(((llint)Y[i-(1<<19)])*X[i-(1<<19)])%mod;
	}
	for(i=(1<<19)+N;i<(1<<20);i++){segx[i]=-big;segy[i]=-big;mody[i]=0;modx[i]=0;}
	for(i=(1<<19)-1;i>0;i--){
		segx[i]=segx[i+i]+segx[i+i+1];
		modx[i]=(modx[i+i]*modx[i+i+1])%mod;
		if(segy[i+i]>segx[i+i]+segy[i+i+1]){
			segy[i]=segy[i+i];
			mody[i]=mody[i+i];
		}else{
			segy[i]=segx[i+i]+segy[i+i+1];
			mody[i]=(modx[i+i]*mody[i+i+1])%mod;
		}
	}
	return mody[1];
}
int updateX(int pos,int val){
	pos+=(1<<19);
	segy[pos]=log(mtoy[pos-(1<<19)])+log(val);
	segx[pos]=log(val);
	mody[pos]=(mtoy[pos-(1<<19)]*val)%mod;
	modx[pos]=val;
	pos/=2;
	while(pos>0){
		segx[pos]=segx[pos+pos]+segx[pos+pos+1];
		modx[pos]=(modx[pos+pos]*modx[pos+pos+1])%mod;
		if(segy[pos+pos]>segx[pos+pos]+segy[pos+pos+1]){
			segy[pos]=segy[pos+pos];
			mody[pos]=mody[pos+pos];
		}else{
			segy[pos]=segx[pos+pos]+segy[pos+pos+1];
			mody[pos]=(modx[pos+pos]*mody[pos+pos+1])%mod;
		}
		pos/=2;
	}
	return mody[1];
}
int updateY(int pos,int val){
	pos+=(1<<19);
	segy[pos]=segx[pos]+log(val);
	mody[pos]=(modx[pos]*val)%mod;
	mtoy[pos-(1<<19)]=val;
	pos/=2;
	
	while(pos>0){
		segx[pos]=segx[pos+pos]+segx[pos+pos+1];
		modx[pos]=(modx[pos+pos]*modx[pos+pos+1])%mod;
		if(segy[pos+pos]>segx[pos+pos]+segy[pos+pos+1]){
			segy[pos]=segy[pos+pos];
			mody[pos]=mody[pos+pos];
		}else{
			segy[pos]=segx[pos+pos]+segy[pos+pos+1];
			mody[pos]=(modx[pos+pos]*mody[pos+pos+1])%mod;
		}
		pos/=2;
	}
	return mody[1];
}

Compilation message

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:87:15: warning: conversion to 'int' from 'llint {aka long long int}' may alter its value [-Wconversion]
  return mody[1];
         ~~~~~~^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:108:15: warning: conversion to 'int' from 'llint {aka long long int}' may alter its value [-Wconversion]
  return mody[1];
         ~~~~~~^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:129:15: warning: conversion to 'int' from 'llint {aka long long int}' may alter its value [-Wconversion]
  return mody[1];
         ~~~~~~^

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 33272 KB Output is correct
2 Correct 32 ms 33388 KB Output is correct
3 Correct 31 ms 33388 KB Output is correct
4 Correct 29 ms 33520 KB Output is correct
5 Correct 30 ms 33520 KB Output is correct
6 Correct 28 ms 33540 KB Output is correct
7 Correct 29 ms 33560 KB Output is correct
8 Correct 34 ms 33560 KB Output is correct
9 Correct 30 ms 33868 KB Output is correct
10 Correct 38 ms 33868 KB Output is correct
11 Correct 30 ms 33868 KB Output is correct
12 Correct 39 ms 33868 KB Output is correct
13 Correct 37 ms 33868 KB Output is correct
14 Correct 35 ms 33868 KB Output is correct
15 Correct 34 ms 33868 KB Output is correct
16 Correct 28 ms 33868 KB Output is correct
17 Correct 32 ms 33868 KB Output is correct
18 Correct 30 ms 33868 KB Output is correct
19 Correct 29 ms 33868 KB Output is correct
20 Correct 28 ms 33868 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 33868 KB Output is correct
2 Correct 37 ms 33868 KB Output is correct
3 Correct 30 ms 33868 KB Output is correct
4 Correct 29 ms 33868 KB Output is correct
5 Correct 39 ms 34128 KB Output is correct
6 Correct 30 ms 34128 KB Output is correct
7 Correct 34 ms 34128 KB Output is correct
8 Correct 34 ms 34128 KB Output is correct
9 Correct 34 ms 34128 KB Output is correct
10 Correct 32 ms 34128 KB Output is correct
11 Correct 30 ms 34128 KB Output is correct
12 Correct 34 ms 34128 KB Output is correct
13 Correct 30 ms 34128 KB Output is correct
14 Correct 38 ms 34128 KB Output is correct
15 Correct 33 ms 34128 KB Output is correct
16 Correct 29 ms 34128 KB Output is correct
17 Correct 34 ms 34128 KB Output is correct
18 Correct 30 ms 34128 KB Output is correct
19 Correct 31 ms 34128 KB Output is correct
20 Correct 29 ms 34128 KB Output is correct
21 Correct 29 ms 34128 KB Output is correct
22 Correct 36 ms 34128 KB Output is correct
23 Correct 31 ms 34128 KB Output is correct
24 Correct 37 ms 34128 KB Output is correct
25 Correct 31 ms 34128 KB Output is correct
26 Correct 32 ms 34128 KB Output is correct
27 Correct 31 ms 34128 KB Output is correct
28 Correct 31 ms 34128 KB Output is correct
29 Correct 29 ms 34156 KB Output is correct
30 Correct 31 ms 34156 KB Output is correct
31 Correct 34 ms 34180 KB Output is correct
32 Correct 29 ms 34180 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 46724 KB Output is correct
2 Correct 258 ms 59472 KB Output is correct
3 Correct 189 ms 63264 KB Output is correct
4 Correct 257 ms 70916 KB Output is correct

Subtask #4
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 34 ms 70916 KB Output is correct
2 Correct 36 ms 70916 KB Output is correct
3 Correct 28 ms 70916 KB Output is correct
4 Correct 29 ms 70916 KB Output is correct
5 Correct 31 ms 70916 KB Output is correct
6 Correct 34 ms 70916 KB Output is correct
7 Correct 34 ms 70916 KB Output is correct
8 Correct 30 ms 70916 KB Output is correct
9 Correct 32 ms 70916 KB Output is correct
10 Correct 34 ms 70916 KB Output is correct
11 Correct 37 ms 70916 KB Output is correct
12 Correct 32 ms 70916 KB Output is correct
13 Correct 29 ms 70916 KB Output is correct
14 Correct 30 ms 70916 KB Output is correct
15 Correct 35 ms 70916 KB Output is correct
16 Correct 35 ms 70916 KB Output is correct
17 Correct 34 ms 70916 KB Output is correct
18 Correct 34 ms 70916 KB Output is correct
19 Correct 35 ms 70916 KB Output is correct
20 Correct 32 ms 70916 KB Output is correct
21 Correct 30 ms 70916 KB Output is correct
22 Correct 33 ms 70916 KB Output is correct
23 Correct 35 ms 70916 KB Output is correct
24 Correct 30 ms 70916 KB Output is correct
25 Correct 36 ms 70916 KB Output is correct
26 Correct 30 ms 70916 KB Output is correct
27 Correct 30 ms 70916 KB Output is correct
28 Correct 30 ms 70916 KB Output is correct
29 Correct 31 ms 70916 KB Output is correct
30 Correct 29 ms 70916 KB Output is correct
31 Correct 33 ms 70916 KB Output is correct
32 Correct 30 ms 70916 KB Output is correct
33 Correct 95 ms 74260 KB Output is correct
34 Correct 112 ms 78140 KB Output is correct
35 Correct 157 ms 89032 KB Output is correct
36 Correct 157 ms 99920 KB Output is correct
37 Correct 84 ms 102032 KB Output is correct
38 Correct 99 ms 105032 KB Output is correct
39 Correct 54 ms 106908 KB Output is correct
40 Correct 128 ms 112928 KB Output is correct
41 Correct 57 ms 115008 KB Output is correct
42 Correct 58 ms 117304 KB Output is correct
43 Correct 116 ms 123648 KB Output is correct
44 Correct 98 ms 129856 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 30 ms 129856 KB Output is correct
2 Correct 30 ms 129856 KB Output is correct
3 Correct 36 ms 129856 KB Output is correct
4 Correct 34 ms 129856 KB Output is correct
5 Correct 31 ms 129856 KB Output is correct
6 Correct 29 ms 129856 KB Output is correct
7 Correct 33 ms 129856 KB Output is correct
8 Correct 30 ms 129856 KB Output is correct
9 Correct 36 ms 129856 KB Output is correct
10 Correct 34 ms 129856 KB Output is correct
11 Correct 34 ms 129856 KB Output is correct
12 Correct 34 ms 129856 KB Output is correct
13 Correct 29 ms 129856 KB Output is correct
14 Correct 29 ms 129856 KB Output is correct
15 Correct 31 ms 129856 KB Output is correct
16 Correct 33 ms 129856 KB Output is correct
17 Correct 37 ms 129856 KB Output is correct
18 Correct 28 ms 129856 KB Output is correct
19 Correct 29 ms 129856 KB Output is correct
20 Correct 28 ms 129856 KB Output is correct
21 Correct 29 ms 129856 KB Output is correct
22 Correct 29 ms 129856 KB Output is correct
23 Correct 33 ms 129856 KB Output is correct
24 Correct 31 ms 129856 KB Output is correct
25 Correct 38 ms 129856 KB Output is correct
26 Correct 30 ms 129856 KB Output is correct
27 Correct 32 ms 129856 KB Output is correct
28 Correct 36 ms 129856 KB Output is correct
29 Correct 31 ms 129856 KB Output is correct
30 Correct 32 ms 129856 KB Output is correct
31 Correct 30 ms 129856 KB Output is correct
32 Correct 32 ms 129856 KB Output is correct
33 Correct 139 ms 134920 KB Output is correct
34 Correct 251 ms 147680 KB Output is correct
35 Correct 182 ms 151388 KB Output is correct
36 Correct 247 ms 159060 KB Output is correct
37 Correct 98 ms 162116 KB Output is correct
38 Correct 93 ms 165984 KB Output is correct
39 Correct 130 ms 176836 KB Output is correct
40 Correct 150 ms 187788 KB Output is correct
41 Correct 70 ms 189708 KB Output is correct
42 Correct 89 ms 192832 KB Output is correct
43 Correct 58 ms 194692 KB Output is correct
44 Correct 116 ms 200728 KB Output is correct
45 Correct 70 ms 202808 KB Output is correct
46 Correct 60 ms 204932 KB Output is correct
47 Correct 109 ms 211156 KB Output is correct
48 Correct 110 ms 217708 KB Output is correct
49 Correct 225 ms 223700 KB Output is correct
50 Correct 214 ms 228628 KB Output is correct
51 Correct 174 ms 240684 KB Output is correct
52 Correct 207 ms 251932 KB Output is correct
53 Correct 197 ms 255480 KB Output is correct
54 Correct 139 ms 259132 KB Output is correct
55 Correct 95 ms 261496 KB Output is correct
56 Correct 181 ms 269164 KB Output is correct
57 Correct 119 ms 271776 KB Output is correct
58 Correct 107 ms 275180 KB Output is correct
59 Correct 117 ms 280604 KB Output is correct