Submission #946973

#	Time	Username	Problem	Language	Result	Execution time	Memory
946973		Nika533	Horses (IOI15_horses)	C++17	17 / 100	1532 ms	12884 KiB

horses

#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#include "horses.h"
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;
const int N=5e5+5;
int n,m,T,k,arr[N],x[N],y[N];

int init(int N, int X[], int Y[]) {
	n=N;
	for (int i=0; i<n; i++) {
		x[i]=X[i];
		y[i]=Y[i];
	}
	arr[0]=x[0];
	for (int i=1; i<n; i++) {
		arr[i]=arr[i-1]*x[i];
		arr[i]%=MOD;
	}
	for (int i=0; i<n; i++) {
		arr[i]*=y[i];
		arr[i]%=MOD;
	}
	int ans=0;
	for (int i=0; i<n; i++) ans=max(ans,arr[i]);
	return ans;
}

int updateX(int pos, int val) {
	for (int i=pos; i<n; i++) {
		arr[i]*=val; arr[i]/=x[pos];
	}
	x[pos]=val;
	int ans=0;
	for (int i=0; i<n; i++) ans=max(ans,arr[i]);
	return ans;
}

int updateY(int pos, int val) {
	arr[pos]*=val; arr[pos]/=y[pos];
	y[pos]=val;
	int ans=0;
	for (int i=0; i<n; i++) ans=max(ans,arr[i]);
	return ans;
}

Compilation message (stderr)

horses.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
    1 | #pragma GCC diagnostic warning "-std=c++11"
      |                                ^~~~~~~~~~~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:16:14: warning: declaration of 'N' shadows a global declaration [-Wshadow]
   16 | int init(int N, int X[], int Y[]) {
      |          ~~~~^
horses.cpp:13:11: note: shadowed declaration is here
   13 | const int N=5e5+5;
      |           ^

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