/* Author : Kazi Mridul Hossain. Created : 20-2-2018 Example Input : 14:00 15:30 */ #include int main() { int s_h,s_min,l_h,l_min,j = 0,s = 0,i = 0; scanf("%d:%d %d:%d",&s_h,&s_min,&l_h,&l_min); printf("Time %d:%d-%d:%d\n\n",s_h,s_min,l_h,l_min); if (s_h<24 && s_min<60 && l_h<24 && l_min<60) { if (s_h == l_h && s_min>l_min){printf("Total Strike = 0");} else{if (s_min>0 && s_min<=15) {s_min = 15;} else if (s_min>15 && s_min<=30) {s_min = 30;} else if (s_min>30 && s_min<=45) {s_min = 45;} else { if (s_min>45 && s_min<60) { s_min = 00; s_h+=1; } else {s_min = 00;} } l_min = (l_min>=0 && l_min<15)? 00 : (l_min>=15 && l_min<30)? 15 : (l_min>=30 && l_min<45)? 30 : 45; while (1) { j = (s_min == 15)? 1 : (s_min == 30)? 2 : (s_min == 45)? 3 : (s_h>0 && s_h<= 12)? s_h : (s_h == 0)? 12 : s_h-12; if (s_h<10 && s_min<10) {printf("0%d : 0%d -- %d\n",s_h,s_min,j);} else if (s_h<10 && s_min>9) {printf("0%d : %d -- %d\n",s_h,s_min,j);} else if(s_h>9 && s_min>9) {printf("%d : %d -- %d\n",s_h,s_min,j);} else{printf("%d : 0%d -- %d\n",s_h,s_min,j);} s+=j;i+=1; if (s_h == l_h && s_min == l_min) {break;} s_min+=15; if(s_min>45) {s_min = 0;s_h +=1;} if(s_h>23) {s_h = 0;} } printf("\nTotal Strike(s) = %d",s);}} else{printf("Invalid Time!");} return 0; } /* [challenge] Sololearn clock The Sololearn clock strikes - The hours at full hour --> three times at 3pm - one time at a quarter past - two times at half - 3 times at s quarter to Given two times from user eg 17:33 and 23:14 - how many times does clock strike within that time interval? input is included 14:00 15:30 : 2+1+2+3+3+1+2 if first input is higher value, the second one is next day. Have fun! */