Write a program to save the following sequence of numbers in a file named number

Question

Write a program to save the following sequence of numbers in a file named number.dat. Then, read the data in this file and display the numbers on the screen. 13579 11 4. Write a program cylinder. c that accomplishes the following: Read a list of radii and heights from a file(cylinder_input. data). For each pair of values, calculate the cylinder's volume and surface area. Display the results on the screen and save the results to a file. File: cylinder_input. data 1.5 10.2 2.2120 3 30.243 55.23 2.2 12.145.989 The contents of the output file "cylinder_output. data" 1.500000 10.200000 72.099551 110.269902 2.210000 20.000000 306.877054 308.404496 3.000000 30.243000 855.100680 626.615787 55.230000 2.200000 21082.525775 19929.377237 12.100000 45.989000 21153.127133 4416.305811

Explanation / Answer

1)

#include <stdio.h>

int main() {

FILE *fp1,*fp2;

fp1 = fopen("number.dat", "w+");
fprintf(fp1, "1357911 ");
fclose(fp1);


char buff[255];

fp2 = fopen("number.dat", "r");
fscanf(fp2, "%s", buff);
printf("From file: %s", buff );

fclose(fp2);

}

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