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Yeah it is because you are never going to reach the starting point no matter from where you start from. If you check properly you total fuel is more than the total distance to be covered where mileage is 1km per litre
That should be "total fuel is LESS than the distance to be covered" so there's no solution. The problem guarantees a solution for given data so this data (total fuel = 19, total distance = 25) does not qualify. There is always a solution if (total fuel >= total distance) but no solution if (total fuel < total distance).
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Yeah it is because you are never going to reach the starting point no matter from where you start from. If you check properly you total fuel is more than the total distance to be covered where mileage is 1km per litre
That should be "total fuel is LESS than the distance to be covered" so there's no solution. The problem guarantees a solution for given data so this data (total fuel = 19, total distance = 25) does not qualify. There is always a solution if (total fuel >= total distance) but no solution if (total fuel < total distance).