【leetcode】机器人能否返回原点

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bool judgeCircle(char * moves){
    int n = strlen(moves),int count1=0,count2=0;
    for (int i=0; i<n; i++)
    {
        if (moves[i] == 'U') count1++;
        else if (moves[i] == 'D') count1--;
        else if (moves[i] == 'R') count2++;
        else count2--;
    }
    return !count1 && !count2;
}