제출 #503365

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
503365		aymanrs	말 (IOI15_horses)	C++14	0 / 100	15 ms	10484 KiB

horses

#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9+7;
int x[1000], y[1000], n;
int init(int N, int X[], int Y[]){
	n = N;
	pair<int, long double> m = {-1, -1};
	long long c = 0, cx = 1;
	for(int i = 0;i < n;i++) {
		x[i] = X[i];
		y[i] = Y[i];
		c += log(x[i]);
		cx = cx * x[i] % MOD;
		if(c + log(y[i]) > m.second){
			m.second = c + log(y[i]);
			m.first = (cx * y[i]) % MOD;
		}
	}
	return m.first;
}
int updateX(int pos, int val){
	x[pos] = val;
	pair<int, long double> m = {-1, -1};
	long long c = 0, cx = 1;
	for(int i = 0;i < n;i++) {
		c += log(x[i]);
		cx = cx * x[i] % MOD;
		if(c + log(y[i]) > m.second){
			m.second = c + log(y[i]);
			m.first = (cx * y[i]) % MOD;
		}
	}
	return m.first;
}
int updateY(int pos, int val){
	y[pos] = val;
	pair<int, long double> m = {-1, -1};
	long long c = 0, cx = 1;
	for(int i = 0;i < n;i++) {
		c += log(x[i]);
		cx = cx * x[i] % MOD;
		if(c + log(y[i]) > m.second){
			m.second = c + log(y[i]);
			m.first = (cx * y[i]) % MOD;
		}
	}
	return m.first;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:12:16: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   12 |   c += log(x[i]);
      |                ^
horses.cpp:12:16: warning: conversion from '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} to 'long long int' may change value [-Wfloat-conversion]
horses.cpp:14:6: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   14 |   if(c + log(y[i]) > m.second){
      |      ^
horses.cpp:15:15: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   15 |    m.second = c + log(y[i]);
      |               ^
horses.cpp:16:26: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   16 |    m.first = (cx * y[i]) % MOD;
      |              ~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:26:16: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   26 |   c += log(x[i]);
      |                ^
horses.cpp:26:16: warning: conversion from '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} to 'long long int' may change value [-Wfloat-conversion]
horses.cpp:28:6: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   28 |   if(c + log(y[i]) > m.second){
      |      ^
horses.cpp:29:15: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   29 |    m.second = c + log(y[i]);
      |               ^
horses.cpp:30:26: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   30 |    m.first = (cx * y[i]) % MOD;
      |              ~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:40:16: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   40 |   c += log(x[i]);
      |                ^
horses.cpp:40:16: warning: conversion from '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} to 'long long int' may change value [-Wfloat-conversion]
horses.cpp:42:6: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   42 |   if(c + log(y[i]) > m.second){
      |      ^
horses.cpp:43:15: warning: conversion from 'long long int' to '__gnu_cxx::__enable_if<true, double>::__type' {aka 'double'} may change value [-Wconversion]
   43 |    m.second = c + log(y[i]);
      |               ^
horses.cpp:44:26: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   44 |    m.first = (cx * y[i]) % MOD;
      |              ~~~~~~~~~~~~^~~~~

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