【leetcode】按键持续时间最长的键

char slowestKey(int* releaseTimes, int releaseTimesSize, char * keysPressed){
    int arr[][2]={keysPressed[0],releaseTimes[0]};
    for (int i=1; i<releaseTimesSize; i++)
    {
        if (releaseTimes[i]-releaseTimes[i-1]>arr[0][1])
        {
            arr[0][0]=keysPressed[i];
            arr[0][1]=releaseTimes[i]-releaseTimes[i-1];
        }
        else if(releaseTimes[i]-releaseTimes[i-1]==arr[0][1] && keysPressed[i]>arr[0][0])
            arr[0][0]=keysPressed[i];
    }
    return arr[0][0];
}