Submission #1004993

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1004993	2024-06-22T05:53:46 Z	Mr_Husanboy	Horses (IOI15_horses)	C++17	17 / 100	57 ms	16984 KB

horses

#include "horses.h"
#include<bits/stdc++.h>

using namespace std;
#define ll long long

template<typename T>
int len(T &a){return a.size();}
#define ff first
#define ss second
#define all(a) (a).begin(), (a).end()

int mod = 1e9 + 7;
vector<ll> x, y;
const int inf = 1e9;
int n;

vector<ll> pref;

int init(int N, int X[], int Y[]) {
	n = N;
	x.resize(n), y.resize(n);
	pref.resize(n);
	for(int i = 0; i < n; i ++) x[i] = X[i], y[i] = Y[i];
	pref[0] = x[0];
	for(int i = 1; i < n; i ++) pref[i] = pref[i - 1] * x[i] % mod;
	ll mult = 1;
	ll mx = 0;
	int lim = -1;
	for(int i = n - 1; i >= 0; i --){
		mult *= x[i];
		if(mult >= inf){
			lim = i - 1;
			break;
		}
	}
	mult = 1;
	for(int i = lim + 1; i < n; i ++){
		mult *= x[i];
		mx = max(mx, mult * y[i]);
	}

	mx %= mod;
	if(lim >= 0) mx = mx * pref[lim] % mod;
	//cout << mx << endl;
	return mx;
}

int updateX(int pos, int val) {
	x[pos] = val;
	ll mult = 1;
	ll mx = 0;
	int lim = -1;
	for(int i = n - 1; i >= 0; i --){
		mult *= x[i];
		if(mult >= inf){
			lim = i - 1;
			break;
		}
	}
	mult = 1;

	for(int i = lim + 1; i < n; i ++){
		mult *= x[i];
		mx = max(mx, mult * y[i]);
	}

	mx %= mod;
	if(lim >= 0) mx = mx * pref[lim] % mod;
	//cout << mx << endl;
	return mx;
}

int updateY(int pos, int val) {
	y[pos] = val;
	ll mult = 1;
	ll mx = 0;
	int lim = -1;
	for(int i = n - 1; i >= 0; i --){
		mult *= x[i];
		if(mult >= inf){
			lim = i - 1;
			break;
		}
	}
	mult = 1;

	for(int i = lim + 1; i < n; i ++){
		mult *= x[i];
		mx = max(mx, mult * y[i]);
	}

	mx %= mod;
	if(lim >= 0) mx = pref[lim] * mx % mod;
	//cout << mx << endl;
	return mx;
}

Compilation message

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:46:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   46 |  return mx;
      |         ^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:71:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   71 |  return mx;
      |         ^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:96:9: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   96 |  return mx;
      |         ^~

Subtask #1
17.0 / 17.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct
11	Correct	348 KB	Output is correct
12	Correct	348 KB	Output is correct
13	Correct	348 KB	Output is correct
14	Correct	348 KB	Output is correct
15	Correct	348 KB	Output is correct
16	Correct	348 KB	Output is correct
17	Correct	348 KB	Output is correct
18	Correct	348 KB	Output is correct
19	Correct	348 KB	Output is correct
20	Correct	348 KB	Output is correct

Subtask #2
0 / 17.0

#	Verdict	Execution time	Memory	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	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	1 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	Incorrect	0 ms	344 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #3
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	31 ms	16980 KB	Output is correct
2	Incorrect	57 ms	16984 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #4
0 / 23.0

#	Verdict	Execution time	Memory	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	1 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	Incorrect	0 ms	348 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	344 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	Incorrect	0 ms	348 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Submission #1004993

Compilation message

Subtask #1 17.0 / 17.0

Subtask #2 0 / 17.0

Subtask #3 0 / 20.0

Subtask #4 0 / 23.0

Subtask #5 0 / 23.0

Subtask #1
17.0 / 17.0

Subtask #2
0 / 17.0

Subtask #3
0 / 20.0

Subtask #4
0 / 23.0

Subtask #5
0 / 23.0