답안 #1011270

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1011270	2024-06-30T08:49:33 Z	Mardonbekhazratov	말 (IOI15_horses)	C++17	17 / 100	1500 ms	18436 KB

horses

#include "horses.h"
#include<algorithm>
#include<vector>
#include<iostream>
const long long INFLL=1e18;
const int INF=1e9;
const int MOD=1e9+7;

using namespace std;

int n;
vector<int>x,y;

long long merge(long long a,long long b){
	__int128_t f=a,g=b;
	if(f*g>INFLL) return INFLL;
	long long h=f*g;
	return h;
}

int get(){
	vector<long long>pref(n+1),suff(n+2);
	pref[0]=suff[n+1]=1;
	for(int i=0;i<n;i++){
		pref[i+1]=pref[i]*x[i]%MOD;
		suff[n-i]=max(merge(suff[n-i+1],x[n-i-1]),merge(x[n-i-1],y[n-i-1]));
	}
	int id=-1;
	long long ans=0,cur=1;
	for(int i=0;i<n;i++){
		if(suff[i+1]!=INFLL){
			if(i!=0 && x[i-1]*y[i-1]>suff[i+1]) return pref[i]*y[i-1]%MOD;
			return suff[i+1]%MOD*pref[i]%MOD;
		}
	}
	return -1;
}

int init(int N, int X[], int Y[]) {
	n=N;
	x.resize(n);
	y.resize(n);
	for(int i=0;i<n;i++) x[i]=X[i],y[i]=Y[i];
	return get();
}


int updateX(int pos, int val) {	
	x[pos]=val;
	return get();
}

int updateY(int pos, int val) {
	y[pos]=val;
	return get();
}

Compilation message

horses.cpp: In function 'long long int merge(long long int, long long int)':
horses.cpp:17:15: warning: conversion from '__int128' to 'long long int' may change value [-Wconversion]
   17 |  long long h=f*g;
      |              ~^~
horses.cpp: In function 'int get()':
horses.cpp:32:61: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
   32 |    if(i!=0 && x[i-1]*y[i-1]>suff[i+1]) return pref[i]*y[i-1]%MOD;
horses.cpp:33:32: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
   33 |    return suff[i+1]%MOD*pref[i]%MOD;
horses.cpp:28:6: warning: unused variable 'id' [-Wunused-variable]
   28 |  int id=-1;
      |      ^~
horses.cpp:29:12: warning: unused variable 'ans' [-Wunused-variable]
   29 |  long long ans=0,cur=1;
      |            ^~~
horses.cpp:29:18: warning: unused variable 'cur' [-Wunused-variable]
   29 |  long long ans=0,cur=1;
      |                  ^~~

Subtask #1
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	432 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	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	440 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	600 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	352 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	440 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct

Subtask #2
0 / 17.0

#	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	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	1 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	1 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	6 ms	348 KB	Output is correct
24	Correct	7 ms	348 KB	Output is correct
25	Incorrect	6 ms	500 KB	Output isn't correct
26	Halted	0 ms	0 KB	-

Subtask #3
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	1548 ms	18436 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	344 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	1 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	360 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 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	1 ms	344 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	6 ms	496 KB	Output is correct
24	Correct	8 ms	348 KB	Output is correct
25	Incorrect	6 ms	500 KB	Output isn't correct
26	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 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	600 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	1 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	6 ms	348 KB	Output is correct
24	Correct	6 ms	348 KB	Output is correct
25	Incorrect	7 ms	344 KB	Output isn't correct
26	Halted	0 ms	0 KB	-

답안 #1011270

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