답안 #1011337

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1011337	2024-06-30T11:02:21 Z	nisanduu	말 (IOI15_horses)	C++14	컴파일 오류	0 ms	0 KB

horses

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e4;
int a[N],b[N];
ll mod = 1e9 + 7;
int init(int n,int* X,int* Y){
    for(int i=0;i<n;i++) {
        a[i]=X[i];
        b[i]=Y[i];
    }
    // a=X;
    // b=Y;
    // N=n;
    ll ans = 0;
    ll cr = 1;
    for(int i=0;i<n;i++){
        cr = (cr*1LL*a[i])%mod;
        ans = max(ans,(cr*b[i]*1LL)%mod);
    }
    return (int)ans;
}
int updateX(int pos,int val){
    a[pos]=val;
    ll ans = 0;
    ll cr = 1;
    for(int i=0;i<n;i++){
        cr = (cr*1LL*a[i])%mod;
        ans = max(ans,(cr*b[i]*1LL)%mod);
    }
    return (int)ans;
}
int updateY(int pos,int val){
    b[pos]=val;
    ll ans = 0;
    ll cr = 1;
    for(int i=0;i<n;i++){
        cr = (cr*1LL*a[i])%mod;
        ans = max(ans,(cr*b[i]*1LL)%mod);
    }
    return (int)ans;
}

Compilation message

horses.cpp: In function 'int updateX(int, int)':
horses.cpp:35:19: error: 'n' was not declared in this scope
   35 |     for(int i=0;i<n;i++){
      |                   ^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:45:19: error: 'n' was not declared in this scope
   45 |     for(int i=0;i<n;i++){
      |                   ^