#include <stdio.h>
#include <time.h>
void getLast30Days(int days[], int numDays) {
time_t now = time(NULL); // Get current time
for (int i = 0; i < numDays; ++i) {
// Calculate the time 'i' days ago
time_t past_time = now - (i * 24 * 60 * 60); // Subtract 'i' days in seconds
// Convert to tm struct to extract the day
struct tm *past_tm = localtime(&past_time);
// Store the day of the month in the array
days[i] = past_tm->tm_mday;
}
}
int main() {
int numDays = 30; // Number of days to process
int days[30]; // Array to store the last 30 days
// Call the function to fill the array
getLast30Days(days, numDays);
printf("Days: [");
for (int i = 0; i < numDays; ++i) {
printf("%d", days[i]);
if (i < numDays - 1) {
printf(", ");
}
}
printf("]\n");
return 0;
}
/*
run:
Days: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12]
*/
