Submission #620822

#	Time	Username	Problem	Language	Result	Execution time	Memory
620822		A_D	Horses (IOI15_horses)	C++14	0 / 100	13 ms	8276 KiB

horses

#include "horses.h"

#include <bits/stdc++.h>

using namespace std;

const int N=1e3+100;
long long x[N];
long long y[N];
const long long MOD=1e9+7;
int init(int N, int X[], int Y[]){
    long long ret=0;
    long long sum=1;

    for(int i=0;i<N;i++){
        sum*=x[i];
        if(sum*y[i]>ret){
            sum%=MOD;
            ret=sum*y[i];
        }
    }
    ret%=MOD;

    return (int)ret;

}

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


	long long ret=0;
    long long sum=1;

    for(int i=0;i<N;i++){
        sum*=x[i];
        if(sum*y[i]>ret){
            sum%=MOD;
            ret=sum*y[i];
        }
    }

    ret%=MOD;

    return (int)ret;

}

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


	long long ret=0;
    long long sum=1;

    for(int i=0;i<N;i++){
        sum*=x[i];
        if(sum*y[i]>ret){
            sum%=MOD;
            ret=sum*y[i];
        }
    }

    ret%=MOD;

    return (int)ret;

}

Compilation message (stderr)

horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:11:14: warning: declaration of 'N' shadows a global declaration [-Wshadow]
   11 | int init(int N, int X[], int Y[]){
      |          ~~~~^
horses.cpp:7:11: note: shadowed declaration is here
    7 | const int N=1e3+100;
      |           ^
horses.cpp:11:21: warning: unused parameter 'X' [-Wunused-parameter]
   11 | int init(int N, int X[], int Y[]){
      |                 ~~~~^~~
horses.cpp:11:30: warning: unused parameter 'Y' [-Wunused-parameter]
   11 | int init(int N, int X[], int Y[]){
      |                          ~~~~^~~

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