제출 #234198

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
234198		pere_gil	말 (IOI15_horses)	C++14	컴파일 에러	0 ms	0 KiB

horses

#include <iostream>
#include "horses.h"

using namespace std;
int moe=1000000007;
int ja[];
int x[];
int y[];
int n;

int init(int N, int X[], int Y[])
{
    /* por 17 pts
    int big=0;
    int ja[N];
    ja[0]=X[0];
    for(int i=1;i<N;i++){
        ja[i]=ja[i-1]*X[i];
    }
    for(int i=0;i<N;i++) big=max(big, ja[i]*Y[i]);
    return big;
    */
    int big=0;
    for(int i=0;i<N;i++){
        x[i]=X[i];
        y[i]=Y[i];
    }
    n=N;
    ja[0]=x[0];
    
    for(int i=1;i<n;i++) ja[i]=x[i]*ja[i-1]%moe;
    for(int i=0;i<n;i++) big=max(big, (ja[i]*y[i])%moe);
    
    return big;
}

int updateX(int pos, int val){
    
    return -3;
}

int updateY(int pos, int val){
    return -3;
}

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp:6:5: error: storage size of 'ja' isn't known
 int ja[];
     ^~
horses.cpp:7:5: error: storage size of 'x' isn't known
 int x[];
     ^
horses.cpp:8:5: error: storage size of 'y' isn't known
 int y[];
     ^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:37:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateX(int pos, int val){
                 ^~~
horses.cpp:37:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateX(int pos, int val){
                          ^~~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:42:17: warning: unused parameter 'pos' [-Wunused-parameter]
 int updateY(int pos, int val){
                 ^~~
horses.cpp:42:26: warning: unused parameter 'val' [-Wunused-parameter]
 int updateY(int pos, int val){
                          ^~~