Untitled

#include<stdio.h>
#include<string.h>
#include<cmath> // For rounding up

// Read only region start
int stock(int input1[]){
    // Read only region end

    int n = 10; // Given that stock prices are for the next 10 business days
    if(n == 0) return 0;

    int minPrice = input1[0];
    int maxProfit = 0;

    for(int i = 1; i < n; i++) {
        // Update maxProfit if selling today results in a better profit
        maxProfit = std::max(maxProfit, input1[i] - minPrice);
        // Update minPrice if today's price is lower than what we've seen
        minPrice = std::min(minPrice, input1[i]);
    }

    // Convert profit to investment and round up
    double result = ceil(1000.0 * maxProfit / minPrice);
    return static_cast<int>(result);
}

int main() {
    int prices[] = {110, 180, 260, 310, 40, 535, 695, 765, 830, 905};
    printf("Maximum profit is: %d\n", stock(prices));
    return 0;
}