#include <stdio.h>
#include <stdlib.h>
#include <math.h>

// Function to find the load value using the half interval method
double half_interval_method(double low, double high, double target) {
    double mid = low + (high - low) / 2;
    if (fabs(mid * mid * mid - target) < 0.00001) {
        return mid;
    } else if (mid * mid * mid > target) {
        return half_interval_method(low, mid, target);
    } else {
        return half_interval_method(mid, high, target);
    }
}

int main(int argc, char *argv[]) {
    // Check if the number of arguments is correct
    if (argc < 3) {
        printf("Usage: %s <number of lines> <losses for each column>\n", argv[0]);
        return 1;
    }

    // Convert the first argument to an integer
    int num_lines = atoi(argv[1]);

    // Print the header of the Erlang table
    printf("[[\n");

    // Loop through each line
    for (int i = 0; i < num_lines; i++) {
        // Print the opening bracket and the line number
        printf("  {ok, [");

        // Loop through each column
        for (int j = 2; j < argc; j++) {
            // Convert the loss value to a double
            double loss = atof(argv[j]);

            // Calculate the load value using the half interval method
            double load = half_interval_method(0.1, 1, loss);

            // Print the load value
            printf("%.4f", load);

            // If it's not the last column, print a comma
            if (j < argc - 1) {
                printf(", ");
            }
        }

        // Print the closing bracket and a comma
        printf("]]},\n");
    }

    // Print the closing bracket
    printf("]]]\n");

    return 0;
}