Submission #819664

#	Time	Username	Problem	Language	Result	Execution time	Memory
819664		Gangsta	Horses (IOI15_horses)	C++14	Compilation error	0 ms	0 KiB

horses

/*
ID: didarco1
LANG: C++17
TASK:
*/
// a >> b = a / pow(2,b)
// a << b = a * pow(2,b)
#include <bits/stdc++.h>
#define ll long long int
#define pb push_back
#define sz size()
#define ss second
#define ff first
#define N 200001
#define pii pair<int,int>
#define all(x) (x.begin(),x.end())
#define MOD 1e9+7

using namespace std;

//ll  _, x, n;

ll mod(int x){
	if(x >= MOD) x %= MOD;
	return x;
}
//
//void upd(int nd, int l, int r, int x, int y){
//	if(l == r and l == y){
//		sell[i]
//	}
//}

ll init(int n, vector <int> X, vector<int> Y){
	ll hrs = 1, mx = 0;
//	for(int i = 1; i <= n; i++){
//		hrs *= X[i];
//		sell[i] = hrs * Y[i];
//	}
//	for(int i = 1; i <= n; i++){
//		upd(1,1,n,i,sell[i]);
//	}
	for(int i = 0; i < n; i++){
		hrs = mod(hrs * X[i]);
		mx = max(mx,mod(hrs*Y[i]));
	}
	return mx;
}

//int main(){
//	int x;
//	cin >> n;
//	for(int i = 0; i < n; i++){
//		cin >> x;
//		X.pb(x);
//	}
//	for(int i = 0; i < n; i++){
//		cin >> x;
//		Y.pb(x);
//	}
//	init(n,X,Y);
//}

Compilation message (stderr)

horses.cpp: In function 'long long int mod(int)':
horses.cpp:24:17: error: invalid operands of types 'int' and 'double' to binary 'operator%'
   24 |  if(x >= MOD) x %= MOD;
      |                 ^
horses.cpp:24:17: note:   in evaluation of 'operator%=(int, double)'
horses.cpp: In function 'long long int init(int, std::vector<int>, std::vector<int>)':
horses.cpp:44:17: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   44 |   hrs = mod(hrs * X[i]);
horses.cpp:45:22: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   45 |   mx = max(mx,mod(hrs*Y[i]));