Submission #772766

#	Time	Username	Problem	Language	Result	Execution time	Memory
772766		1ne	Horses (IOI15_horses)	C++14	0 / 100	23 ms	8252 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
vector<long long>cur;
const int mod = 1e9 + 7;
int init(int N, int x[], int y[]) {
	cur.resize(N);
	long long v = 1;
	for (int i = 0;i<N;++i){
		bool ok = true;
		long long u = x[i];
		for (int j = i + 1;j<N;++j){
			if (u * y[j] > y[i]){
				ok = false;
				break;
			}
			u*=x[j];		
		}
		if (ok){
			return (v * y[i])%mod;
		}
      	if (i != N - 1)
			v = (v * x[i])%mod;
	}	
  	return (v * y[N - 1])%mod;
}

int updateX(int pos, int val) {	
	return 0;
}

int updateY(int pos, int val) {
	return 0;
}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:20:21: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   20 |    return (v * y[i])%mod;
      |           ~~~~~~~~~~^~~~
horses.cpp:25:25: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   25 |    return (v * y[N - 1])%mod;
      |           ~~~~~~~~~~~~~~^~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:28:17: warning: unused parameter 'pos' [-Wunused-parameter]
   28 | int updateX(int pos, int val) {
      |             ~~~~^~~
horses.cpp:28:26: warning: unused parameter 'val' [-Wunused-parameter]
   28 | int updateX(int pos, int val) {
      |                      ~~~~^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:32:17: warning: unused parameter 'pos' [-Wunused-parameter]
   32 | int updateY(int pos, int val) {
      |             ~~~~^~~
horses.cpp:32:26: warning: unused parameter 'val' [-Wunused-parameter]
   32 | int updateY(int pos, int val) {
      |                      ~~~~^~~

• Subtask 1: 0 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23