leetcode 134加油站

 

leetcode 134加油站问题，不太理解bug在哪，先挂着，我写的在Class Solution部分，但是报错在line51

更新：发现漏了个括号，，，果然发烧人就晕……已经更正

class Solution {
public:
    int canCompleteCircuit(vector<int>& gas, vector<int>& cost) {
        int re=-1,i=0,j=0;
        int l=gas.size();
        while(re==-1&&i<l){
            gas.push_back(gas[i]);//下标每次后移前都把当前下标数目push_back
            cost.push_back(cost[i]);
            if(gas[i]>=cost[i]){//当前point满足出发条件进入子循环；
                int oil=gas[i],m=0;
                while(m<l-1){
                    if(oil-cost[i+m]>=0){
                        oil=oil-cost[i+m]+gas[i+m+1];
                        m++;
                    }else{
                        break;
                    }
                }
                if((m==4)&&(oil-cost[i+m]>=0)){
                    re=i;
                    break;
                }
            }
            i++;
        }
return re;
}
};

void trimLeftTrailingSpaces(string &input) {
    input.erase(input.begin(), find_if(input.begin(), input.end(), [](int ch) {
        return !isspace(ch);
    }));
}

void trimRightTrailingSpaces(string &input) {
    input.erase(find_if(input.rbegin(), input.rend(), [](int ch) {
        return !isspace(ch);
    }).base(), input.end());
}

vector<int> stringToIntegerVector(string input) {
    vector<int> output;
    trimLeftTrailingSpaces(input);
    trimRightTrailingSpaces(input);
    input = input.substr(1, input.length() - 2);
    stringstream ss;
    ss.str(input);
    string item;
    char delim = ',';
    while (getline(ss, item, delim)) {
        output.push_back(stoi(item));
    }
    return output;
}

int main() {
    string line;
    while (getline(cin, line)) {
        vector<int> gas = stringToIntegerVector(line);
        getline(cin, line);
        vector<int> cost = stringToIntegerVector(line);
        
        int ret = Solution().canCompleteCircuit(gas, cost);

        string out = to_string(ret);
        cout << out << endl;
    }
    return 0;
}