134.Gas Station

    /** 134.Gas Station * 2016-5-22 by Mingyang * At the beginning of their own time, a point of the calculation, time more than * here once, each time from a I, regardless of total income should be greater than the total Expenses, or no matter how the turn is not good * In addition, once every walk is not moving, the starting point jumps to the next I*/     Public intCancompletecircuit (int[] Gas,int[] cost) {        if(gas==NULL|| cost==NULL|| gas.length==0| | cost.length==0| | gas.length!=cost.length)return-1; intsum = 0; intTotal = 0; intindex = 0;  for(inti = 0; i < gas.length; i++) {sum+ = gas[i]-Cost[i]; Total+ = gas[i]-Cost[i]; if(Sum < 0) {Index=i+1; Sum= 0; }         }          if(total<0)            return-1; Else            returnindex; }

134.Gas Station