제출 #1004806

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1004806		magikarp23	Horses (IOI15_horses)	C++17	컴파일 에러	0 ms	0 KiB

horses

#include <bits/stdc++.h>
#include "horses.h"
using namespace std;

const int MAX_N = 500000 + 1;
long long MOD = 1000000000 + 7;
int X_store[MAX_N];
int Y_store[MAX_N];
int N_store;

long long calc_max_profit() {
	long long  max_profit = 0;
	long long num_horses = 1;
	for (int i=0; i<N_store; i++) {
		num_horses *= X_store[i];
		max_profit = max(max_profit, num_horses * Y_store[i]);
	}

	return max_profit % MOD;	
}

long long init(int N, int X[], int Y[]) {
	N_store = N;
	for (int i=0; i<N; i++) {
		X_store[i] = X[i];
		Y_store[i] = Y[i];
	}

	return calc_max_profit();	
}

long long updateX(int pos, int val) {	
	X_store[pos] = val;

	return calc_max_profit();
}

long long updateY(int pos, int val) {
	Y_store[pos] = val;

	return calc_max_profit();	
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp:22:11: error: ambiguating new declaration of 'long long int init(int, int*, int*)'
   22 | long long init(int N, int X[], int Y[]) {
      |           ^~~~
In file included from horses.cpp:2:
horses.h:4:5: note: old declaration 'int init(int, int*, int*)'
    4 | int init(int N, int X[], int Y[]);
      |     ^~~~
horses.cpp:32:11: error: ambiguating new declaration of 'long long int updateX(int, int)'
   32 | long long updateX(int pos, int val) {
      |           ^~~~~~~
In file included from horses.cpp:2:
horses.h:5:5: note: old declaration 'int updateX(int, int)'
    5 | int updateX(int pos, int val);
      |     ^~~~~~~
horses.cpp:38:11: error: ambiguating new declaration of 'long long int updateY(int, int)'
   38 | long long updateY(int pos, int val) {
      |           ^~~~~~~
In file included from horses.cpp:2:
horses.h:6:5: note: old declaration 'int updateY(int, int)'
    6 | int updateY(int pos, int val);
      |     ^~~~~~~