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

#define INPUT "..\\tess.txt"
#define OUTPUT "output.txt"
#define N 5

void populateArrayFromFile(FILE *myFile, const int *numberArray, int i);

/* Given a text file, the elements of which are real numbers a1, a2, a3, ..., an. Create a file
real numbers b1, b2, b3, ..., bn, where*/

int fileIsOpen(FILE *file, char fileName[]) {
    if (file == NULL) {
        printf("%s is not open", fileName);
        return -1;
    }
}

int main() {
    int size = N;

    FILE *myFile;
    myFile = fopen(INPUT, "r");
    //if(fileIsOpen(myFile, INPUT) == -1) return -1;
    //read file into array
    int inputArray[size];

    for (int i = 0; i < size; i++) {
        fscanf(myFile, "%d", &inputArray[i]);
    }

    FILE *o = fopen(OUTPUT, "w");
    //if(fileIsOpen(myFile, INPUT) == -1) return -2;
    double outputArray[size];

    printf("\n");
    float f;
    for (int i = 0, t = 0; i < sizeof(inputArray) / sizeof(inputArray[0]); ++i, t = 0) {
        for (int j = 0; j < i + 1; ++j) {
            t += inputArray[j];
        }

        f = (float) inputArray[i] / (float) (1 + t * t);
        printf("%lf\n", (double) f);
        outputArray[i] = f;

        fprintf(o, "%.2f ", outputArray[i]);
    }
    fclose(o);
}