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DS/C/Lab/Week2/timehandler.c

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+#include <stdio.h>
+
+typedef struct {
+    int hour;
+    int min;
+    int sec;
+} Time;
+
+void read_time(Time *t) {
+    scanf("%d %d %d", &t->hour, &t->min, &t->sec);
+}
+
+void display_time(Time t) {
+    printf("%02d:%02d:%02d\n", t.hour, t.min, t.sec);
+}
+
+Time add_time(Time t1, Time t2) {
+    Time result;
+    result.sec = t1.sec + t2.sec;
+    result.min = t1.min + t2.min + result.sec / 60;
+    result.sec %= 60;
+    result.hour = t1.hour + t2.hour + result.min / 60;
+    result.min %= 60;
+    result.hour %= 24;
+    return result;
+}
+
+Time diff_time(Time t1, Time t2) {
+    Time result;
+    int total_sec1 = t1.hour * 3600 + t1.min * 60 + t1.sec;
+    int total_sec2 = t2.hour * 3600 + t2.min * 60 + t2.sec;
+    int diff_sec = total_sec1 - total_sec2;
+
+    if (diff_sec < 0) {
+        diff_sec += 24 * 3600;
+    }
+
+    result.hour = diff_sec / 3600;
+    result.min = (diff_sec % 3600) / 60;
+    result.sec = diff_sec % 60;
+    return result;
+}
+
+int main() {
+    Time t1, t2, sum, difference;
+
+    printf("Enter the first time (hours minutes seconds): ");
+    read_time(&t1);
+
+    printf("Enter the second time (hours minutes seconds): ");
+    read_time(&t2);
+
+    printf("First time: ");
+    display_time(t1);
+
+    printf("Second time: ");
+    display_time(t2);
+
+    sum = add_time(t1, t2);
+    printf("Sum of times: ");
+    display_time(sum);
+
+    difference = diff_time(t1, t2);
+    printf("Difference between times: ");
+    display_time(difference);
+
+    return 0;
+}