View difference between Paste ID: B2fdkchj and KtFsJ2TK

 function solve(examHour, examMinutes, arriveHour, arriveMinutes){
     examHour = Number(examHour);
     examMinutes = Number(examMinutes);
     arriveHour = Number(arriveHour);
     arriveMinutes = Number(arriveMinutes);
 
     let examInMinutes = examHour * 60 + examMinutes;
     let arriveInMinutes = arriveHour * 60 + arriveMinutes;
     let late = arriveInMinutes - examInMinutes;
     let early = examInMinutes - arriveInMinutes;
     let diff = Math.abs(late);
-    let hours = parseInt(diff / 60);
+    let hours = parseInt(diff / 60);  // взима целочислената част от делението
     let minutes = diff % 60;
 
     const zeroPad = (num, places) => String(num).padStart(places, '0')
 	// https://stackoverflow.com/questions/2998784/how-to-output-numbers-with-leading-zeros-in-javascript
 
     if (late > 0){
         console.log(`Late`)
         if (late <= 59){
             console.log(`${late} minutes after the start`)
         }
         else{
             console.log(`${hours}:${zeroPad(minutes, 2)} hours after the start`)
         }
     }
     else if (early >= 0 && early <= 30){
         console.log(`On time`)
         if (early != 0){
             console.log(`${early} minutes before the start`)
         }
     }
     else if (early > 30){
         console.log(`Early`)
         if (early <= 59){
             console.log(`${early} minutes before the start`)
         }
         else{
             console.log(`${hours}:${zeroPad(minutes, 2)} hours before the start`)
         }
     }
 }